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Heat Management

     

Peltier modules from process-safe production

     
Peltie modules 1-stage
"Standard"
app. 20.000 Cycles
Tmax = 100°C
Peltie modules 1-stage
"Premium"
app. 800.000 Cycles
Tmax = 200°C
Peltie modules 1-stage
"Superior"
app. 1'500.000 Cycles
Peltier-Element Peltierelement Peltier Module
for demanding industrial applications deep cycle
for demanding industrial applications
High cycle stability

     
Peltier modules
"Premium" 2-stage
Peltiers-Micro-Module
1-stage
Peltier-Micro-Module
multistage
Peltiermodul zweistufig Peltierelement Micromodule einstufig Peltierelement Micromodul mehrstufig
for industrial applications for industrial applications for industrial applications

 

 

Comparison list for the substitution of Russian Peltier elements

 

DEAR CUSTOMERS,

 

the recent developments in eastern europe add some extra pressure on the already tense supplying situation in the electronic industry. We at QUICK-OHM choose our sources and suppliers with great care, we audit all our partners frequently and we are fully convinced to provide the best possible product for a reasonable price.


In the past we already qualified some alternatives to the well-known russian TE-companies and with this conversion table, we would like offer susbtitutes to the standard ranges of several manufaturers.


Customized TECs can be offered on request, but most of the listed modules are available from stock and can replace the russian counterparts without any problems.

 

pdf-Datei zum Downloadmore information & the alternative list as PDF

>> The list also under on the page

 


      Peltier modules

 

Peltier modules are electrothermal transducers which generate a temperature difference when current flows through them. The fed electrical energy transports heat (W) from one side of the element to the opposite side. The removal of the heat causes the affected side of the element to cool below the ambient temperature and causes the opposite side to heat up. The current direction determines whether cooling or heating occurs. For simple ele-ments the temperature difference can be up to 73 Kelvin, for multi-stage elements up to 114 Kelvin. They can be used in a wide range of applications, from cooling accumulators during charging to laboratory diagnostics and polymerase chain reactions in thermal cyc-lers. In a nutshell: Wherever maximum precision is required for temperature control in the smallest possible space.

Although the Peltier effect can also be used to generate heat, it is largely used to transport heat away safely and easily, i.e. to cool. Peltier Elements can be used in a variety of applica-tions, even independent of gravity and weightlessness. They are completely silent and vib-ration-free. Maximum flexibility is achieved with the smallest sizes. In addition, thermo-electric generators enable electrical energy to be generated directly from heat.

Our QUICK-COOL Peltier Elements are constantly being further developed and adapted to the needs of our customers. The production of the elements is not only subject to the high technological standard of Quick-Ohm products, but is also ISO 9001:2000 certified. Each production step is continuously monitored and concluded with a quality check. Here, ult-rasonic and temperature tests are performed for all parameters and the electrical proper-ties are tested. In the manufacturing process, the best raw materials are used, which can be obtained from selected suppliers worldwide. This also applies to ceramic substrates and ac-cessories.

With a large selection of Peltier Elements and the possibility to work entirely according to customer requirements, we will find the most suitable solution for your project. All necessa-ry parameters are calculated in order to find the right Peltier Element for you, adjusted to maximum cooling capacity or maximum energy efficiency. Depending on the application, this can be specially designed for cyclic operation, protected against corrosion and moisture or suitable for high temperatures (up to 200 degrees Celsius).

 

   Peltier-Element::Peltierelement::Peltier Element: Aufbauprinzip  Peltierelemnte::Peltier-Element::Peltier Element: Funktion  peltie-Element: construction  



  1. What does the Peltier module do?

    In a Peltier module, different materials are arranged between two surfaces in such a way that thermal energy is transported from one surface to the other in a current flow. Here it can be observed that the side from which the energy is dissipated cools down, while the other side becomes warmer. The lake basin effect and the Peltier effect always occur simultaneously and interfere with each other. This obstacle prevents an increase in energy from producing an equal proportional increase in transport performance.

  2. What is the Peltier effect used for?

    The Peltier effect keeps objects at a constant temperature. Cooling systems are set up with Peltier modules. Peltier modules are able to bring certain places to "any" temperature. Peltier moduless are often used where conventional compressor cooling systems cannot be used. For example, when leaking coolant should be a danger, when a particularly long ser-vice life is required, or where regular maintenance cannot be carried out.

  3. What can a Peltier module do?

    A Peltier module is able to locally shift thermal energy contrary to the natural physical heat striving. Just as an object on an inclined surface is anxious to slide down this slope, so ther-mal energy is anxious to migrate to cooler places. If you need a motor to move the body up the mountain, a Peltier module can be used to transport heat "from a cold level" to a warm environment.

  4. When is the use of Peltier modules recommended?

    Peltier modules are excellent for keeping various objects at a constant temperature or bringing them to the desired temperature.

    Peltier moduless are suitable for cooling areas to temperatures below the ambient temperature. Peltier modules are suitable for heating. Due to their ability to transport heat, heating efficiencies of well over 100% can be achieved, as with conventional heat pumps. In this context, the term efficiency is not correct, since no energy is converted here, but is shifted. Better is the expression coefficient of performance COP. (Coefficient of Performance)

    With Peltier technology, objects or areas can be maintained at temperatures between approx -40°C and + 200°C or changed cyclically. Peltier modules do not need a start-up time to unfold their effect, apart from the temperature time due to the materials. Thus very dynamic temperature changes can be achieved. Temperature jumps of 10 Kelvin per second are possible depending on the dimensioning.

    In order to reach the temperature in a targeted manner, the use of control technology is necessary. For this purpose, a sensor must be used to detect the object temperature.

 

 

      Heat Pipe Heat sink

Heat Pipes or enable the efficient transport of heat or cold to the heat sink. They allow high-ly efficient cooling solutions to be implemented. These outperform conventional cooling elements made of extruded aluminium profiles in terms of design and performance. In Pel-tier applications, effective heat dissipation is essential as they depend on the temperature difference. Peltier Elements can only produce a certain difference from the cold to the warm side with a certain heat flow. This means that the warmer the warm side, the less cold the opposite side is.

We will be happy to select and design the right heat sink for your application or optimise your existing system.

 

      Simulation

We use a CFD tool (Computational Fluid Dynamics) for the optimal design of thermal management systems. This enables us to simulate thermal systems with the help of numerical fluid mechanics and to avoid possible complications in advance. In this way, cooling systems can be designed more precisely and adapted to the necessary requirements in the best possible way. Using this method, each design can be tested for weak points in a simulated test environment before production begins. As a result, the realization of a prototype can be reduced to a minimum and development costs can be reduced efficiently on the one hand and development time can be greatly shortened on the other.



We are also happy to relieve you of the development work or support you with the application.

 

A multitude of elements :


Mesh heat pipes Sinter heat Pipes Methanol heat PipesHeatdiffuser Peltier modulesThermogenerators Peltier Controller

Heat pipe interface Heat transfer Paste Thermaly Conductive Adhesive Graphit Heattransfer Foil Silicon Washer Experimental Kits

Aluminium Oxide DisksIndustry FanFan Equipment


and much more ... can be found in our online shop!

    Directly to the shop


For special applications please contact us directly: 0202 - 40 43 22 Or use our contact form


 

 

   The 10 most important rules for Peltier modules Peltierelemnte:: Die 10 wichtigste Regeln für Peltier Elemente

  1. Heat flows always from warm to cold

  2. The Peltier module transports the heat from cold to warm by means of an electrical power. (heat pump). The electrical energy used is only used to transport the heat from one Peltier module side to the other Peltier module side. The electrical energy is not used at all for di-rect heat compensation (destruction).

  3. The thermal management on the warm side of the Peltier module is the absolutely deter-mining parameter for each application. The cooler the hot side is kept, the colder the cold side can become.

  4. The amount of heat transported from the cold side of the Peltier module to the warm side must be fully removed from there to maintain a sufficiently low temperature on the cold side and to avoid overheating of the Peltier modulet.

  5. The amount of heat to be conducted away from the warm side corresponds to the sum of the heat pumped by the Peltier module plus the heat generated by the electrical operating energy absorbed by the module.

  6. If the temperature difference at the Peltier module between warm and cold is reduced for the same amount of heat transported, the electrical energy required for the heat pumping process drops disproportionately. It may make sense to use several elements or cascades.

  7. The heat transport or thermal conductivity of all components of the temperature path determines the effectiveness. Special attention must be paid to the heat transfers between the object to be cooled or tempered and the Peltier module on the one side, and between the Peltier module and the heat sink / liquid cooler / heat exchanger on the other side. This can result in enormous efficiency losses.

  8. If Peltier modules are underdimensioned for the respective application, the temperature difference between both sides of the Peltier module becomes the smaller, the stronger the underdimensioning is. According to the underdimensioning, the necessary electrical energy for the heat transport then becomes larger and larger. With correct or larger dimensioning, the Peltier module can generate a larger heat transfer with the corresponding larger tem-perature difference. Possibly several elements are to be used.
    from ∆T > 70°C no heat is transported by einstufigen elements at all. At ∆T = 0°C the maxi-mum amount of heat is transported.

  9. by reversing the polarity of the electrical energy (direct current) with the Peltier Element the cold and warm side are changed.

  10. The quality of Peltier modules is mainly determined by the following factors:

    • Number of allowed temperature cycles
    • lifetime
    • maximum allowable temperature
    • Compliance with the smallest possible dimensional tolerances
    • Flatness of the Oberfläche
    • Mechanically stress-free construction

Peltier modules: The 10 most important rules for download



    Selection of a suitable Peltier module Peltier Elemente: Auswahl eines passenden Peltierelemnets


TE modules are suitable parts for use under many different conditions. However, most ap-plications involve the following procedures.

The state of maximum energy efficiency is characterized by the fact that a minimum of energy expenditure offers the possibility of obtaining exactly the desired amount of cold, i.e. the maximum value of the "Coefficient of Performance" (COP); the state of maximum cooling capacity is of utmost interest. Therefore, the method of selecting the required mo-dules is determined by the module function as a function of the maximum cooling capacity.

Two parameters are required for optimum selection of TE modules:

1. the thermal load of a module.
2. the temperature difference that is to be transported away from an object at the respective heat quantity in order to cool it.

The total thermal load is related to the power loss of the object to be cooled (process heat) and different types of heat inflow, from ambient heat by convection, from radiation and from the thermal conductivity of the mounted parts. The temperature difference is deter-mined as the difference between the temperature at which the heat radiation takes place and the temperature of the object to be cooled.

When using the following table, select the smallest possible number of stages to achieve the required temperature difference:

T max. im Vacuum, °C        Number of stages

          72                                         1
          94                                         2
          110                                       3
          117                                       4


If the required temperature difference does not exceed 50°C, a multi-stage element should be avoided as far as possible!

 

 Peltier modules: Selection of a suitable Peltier Elemnt for download




   Peltier modules: The most frequently asked questions Peltierelemnte: Die am häufigsten gestellten Fragen



  1. What power supply does a Peltier module need?

    A Peltier module must be supplied with direct current. The maximum supply voltage is given in the data sheet of the Peltier module. The more thermocouples a Peltier module has, the higher the maximum supply voltage. For example, the Peltier module QC-127-1.4-6.0 is composed of 127 thermocouples. The maximum voltage per thermocouple is approx. 0.12 Volt. This results in a voltage of approx. 15 volts for this type of Peltier modules. Swit-ching power supplies with sufficient smoothing are suitable as a supply source. For de-manding tasks a direct current supply with toroidal transformer is necessary.

  2. Can a Peltier module also be supplied with low voltages?

    A Peltier module can be operated with any low voltage. With decreasing voltage the power consumption of the Peltier module decreases. At half the voltage, for example, approx. one quarter of the power of the Peltier module is called up.

  3. Is it always possible to achieve better cooling with a lot of electricity?

    A Peltier module can only function as well as the cooling element (or heat sink) on which the Peltier module is mounted. If (due to structural conditions or for other reasons) the he-at sink cannot exceed a certain size, it makes sense in many cases to feed the Peltier module with a lower voltage and correspondingly less current. Then one can achieve a lower tem-perature on the cold side. Here applies: Less can be more!

  4. How can the internal resistance of a Peltier module be measured?

    The ohmic resistance of a Peltier Element is measured with an LCR measuring instrument at a frequency of 1000 Hertz. With a standard multimeter, on the other hand, a direct current is induced which leads to false results due to the thermoelectric reaction of the Peltier Ele-ment. When performing the measurement, it is important that both sides of the Peltier Element have the same temperature. Otherwise, the thermogenerative effect also causes a falsification. The measurement does not provide meaningful results.

  5. Which side gets cold with the Peltier module?

    First of all it must be put in front that one side of a Peltier Element can become cold only if the other has a heat-locking contact to a heat sink or another heat sink. With a Peltier Ele-ment there is in most cases a red and a black connection cable. If the red cable is properly connected to the positive terminal of the DC power source, the printed side is the one that gets cold. Other features to identify the cold side are as follows: If a Peltier Element has ce-ramic surfaces of different sizes, the cold side is always the smaller one. The connecting cables are always soldered to the warm side of the Peltier Element. If you place a Peltier Element in front of you in such a way that the connecting cables are directed towards the observer (the observer looks at the cable connections on the ceramic of the element) and the right cable is red, the cold surface looks upwards.

  6. How can you heat with a Peltier-module?

    By reversing the current direction (black cable to the positive pole of the direct current source) the cold side becomes the warm side. This does not harm a Peltier Element. It is designed for this. However, if the temperature changes constantly, it is absolutely necessary to ensure that a high cycling Peltier Element is used.

  7. In which cases should a sealed Peltier-module be chosen?

    Whenever a temperature below the ambient temperature is to be reached with the Peltier module, the occurrence of condensate is to be expected. This can strongly impair the coo-ling function and leads to corrosion within the Peltier module after a short time. With a si-licone or epoxy resin sealant, the occurrence of condensate and the associated harmful consequences can be largely suppressed. Sealing is also required if the Peltier module is ex-posed to the risk of contaminationnt Verschmutzungsgefahr ausgesetzt ist.

  8. Which control method is used for the Peltier module?

    The usual method for controlling Peltier-modules in a control loop is pulse width modulati-on. Here the current strength is controlled over the length of a pulse. Circuit breakers with only two states are used: Full blocking (hardly any current, almost no voltage drop) or full through switching (almost no current, hardly any voltage drop). The mean value of the vol-tage is changed by the ratio switch-on time/switch-off time. The resulting current profile is smoothed by inductances and converted into a quasi-constant profile. The frequency who-se pulse width is changed is some 100 - 200 kHz. The higher the frequency, the smaller are the inductances for smoothing. An on/off control is also possible. However, this does not allow high-quality and precise control. In addition, the Peltier Element is stressed more strongly.

  9. What material is a Peltier module made of?

    A Peltier module consists of the p- and n-doped semiconductor bismuth telluride (Bi2lTe3). This starting material is shaped into a parallelepiped and soldered between electrically insulating surfaces. In most cases this is aluminium oxide (Al3O2). A pair of an n-doped and a p-doped parallelepiped is called a thermocouple. A Peltier-module can consist of a few to se-veral hundred thermocouples. The number of thermocouples used is in most cases part of the article number.

  10. Is it possible to connect several Peltier modules to one voltage source?

    It is no problem to connect several Peltier Elements to one voltage source.

  11. How can several Peltier modules be electrically connected to each other?

    The Peltier modules can be connected either in parallel or in series. With parallel connec-tion you need the maximum voltage for one Peltier Element and a current intensity corres-ponding to the number of Peltier modules multiplied by their maximum current intensity.

    (for example 4 Peltier moduless with 15.5 Volt and 8.5 Amp. require a voltage source of max. 15.5 Volt at 34 Amp).

    With series connection, however, only the current strength corresponding to a Peltier module and a corresponding multiple of the voltage are required. (e.g. 4 Peltier Elements with 15.5 Volt and 8.5 Amp. require a voltage source of max. 62 Volt at 8.5 Amp.). Since it is ea-sier to obtain a high voltage than a high current for the direct current supply, this type of circuit is much cheaper. It has to be considered that the Peltier Elements influence each other. With strongly different temperatures it can come to under- or oversupply of individual elements in the chain.

    A combination of series and parallel connection is also possible.

    The electrical contact can be made, for example, by means of a luster terminal or by sol-dering covered with shrink tubing.

  12. What happens if you take a Peltier module between your fingers and feed it with electricity?

    If you take a Peltier-module between your fingers and feed it with current, you will feel a temperature difference on both sides of the Peltier-module for a short time (depending on the Peltier Element and the selected current strength for a few seconds). A few seconds la-ter, the Peltier module is so hot on the warm side that the pain threshold is exceeded, so that it is involuntarily dropped. The heating can take place so quickly that an injury can oc-cur before the pain reaction sets in. Once again a few seconds later, the Peltier module is so hot that the soldering points on the thermocouples melt and as a result it is irretrievably de-stroyed. Therefore a Peltier module must never be operated without a heat sink or without contact to a surface with a large thermal mass.

  13. How can you check whether a Peltier module works?

    The Peltier module is connected on the warm side (not printed side) with a heat sink. Power (+) is fed into the red connecting cable, whereby the voltage must not exceed the voltage defined for the Peltier Element. The cold side must then cool down very quickly. A further test possibility is the measurement of the ohmic resistance of the element. This must not deviate by more than 10% from the specification.

  14. Is it possible to reverse the current direction when supplying the Pel-tier Element?

    It is possible to reverse the direction of current supplied to the Peltier module without any problems. The positive pole of the DC voltage supply is connected to the black connecting cable of the Peltier module. The side that has previously cooled becomes the heating side. It must be ensured that it does not become too hot. The previously warm side becomes the cooling side. The minimum achievable temperature, however, is not as low during operation in reverse current direction as with normal current direction.

  15. What does Qcmax mean?

    Qcmax is the maximum cooling capacity that the Peltier module can provide when it is dri-ven with full voltage and the Peltier Element "feels" a temperature difference of 0°C. Qcmax is the maximum cooling capacity that the Peltier Element can provide when it is driven with full voltage and the Peltier module "feels" a temperature difference of 0°C. If the Peltier Element is to build up a temperature difference, the cooling capacity is reduced approxi-mately proportionally to the temperature difference. At a temperature difference of ap-prox. 70°C the cooling capacity is zero.

  16. What possibilities are there to install a Peltier module with the best possible thermal contact?

    In order to achieve the best possible cooling effect, it is of elementary importance to cool the Peltier module as efficiently as possible on the warm side. The physical property of the heat sink of the heat transfer is important and the best possible thermal connection of the Peltier Element to the heat sink.

    The more planarity the connecting surfaces of the heat transfer have, the better the initial situation.

    The following options are available to reduce the heat transfer resistance at the mounting surfaces:

    • Heat conducting paste
    • thermal adhesive
    • thermal conducting foil

    With proper handling there are hardly any differences with regard to the achievable heat transfer resistance.

  17. What has to be considered if several Peltier modules are installed si-multaneously?

    If several Peltier modules are installed simultaneously in a system, it must be ensured that their height, flatness and parallelism are within narrow tolerances (< 0.05 mm) and that they are installed with the required contact pressure of approx. 140 N/cm².

    If the Peltier modules are electrically connected in series, which leads to a reduction of the required current strength, care must be taken to ensure that the internal electrical re-sistance is as uniform as possible.

  18. How can the temperature dependence of the electrical resistance of a Peltier module be described?

    The electrical resistance Rel(t) of a Peltier module increases with increasing temperature.

    The dependency can be described with good accuracy as follows:

    Rel(t) = Rel(25°C) * (1 + α*ΔT) with ΔT = t[C] – 25°[C] and α = 0,0049 1/K Rel(25°C) = the electrical resistance of the Peltier Element at 25°C

  19. What are typical damage patterns when using Peltier modules?

    The most common damage patterns are melted thermocouples in the Peltier module. This can often be detected by fluoroscopy with a very bright light source. A further indication is the internal resistance, which is infinitely high in these cases.

    In most cases the cause is the operation of the Peltier module without heat sink. Further damages are broken or cracked ceramics.

    A Peltier module is relatively sensitive to shocks and blows. If it falls on a hard under-ground, it can already come to such damages. Even if a Peltier module is installed tilted, the corners of the ceramic plates can easily break off. Therefore it is to be paid attention with the assembly always to the fact that the screws are tightened evenly.

  20. How can Peltier modules and Heat Pipes be connected?

    Heat Pipes are suitable for transferring heat from the warm side of a Peltier module. This is always very helpful if there is not enough space for a sufficiently powerful heat sink at the installation location of the Peltier Element. The connection between both components is made with a heat coupling element. This consists of a cuboid made of copper or aluminium with a hole for the Heat Pipe. The cuboid covers the Peltier module. The Heat Pipe can be glued, clamped or soldered into the heat coupling element.

  21. 25- How low is the lowest temperature that can be reached with a Peltier module?

    The achievable lowest temperature is essentially influenced by the temperature on the "warm" side of the Peltier module. The lower it can be kept, the lower the temperature on the cold side.

    A single-stage Peltier module in combination with a very good heat sink can produce about -30°C with ambient air. At this temperature, however, the amount of heat that can be shif-ted is infinitesimally small. You can precool the "warm" side so that in technical applications you can reach approx. -50 to -60°C depending on the degree of precooling.

    If the pre-cooling is done with a Peltier module, it is called a two-stage module. With a mul-ti-stage pre-cooling the achievable temperature can be further reduced.

    A limitation in principle must not be ignored: The efficiency of the thermoelectric semi-conductor material bismuth telluride changes proportionally to the absolute temperature. The lower the target temperature, the lower the efficiency and the lower the transferable power.

    Practically achieved laboratory values are in the range of and -100°C, but this can only be achieved with extreme effort and almost perfect isolation of the target area.

 

 Peltier modules: Frequently asked questions for download

 

 


 

Comparison list for the substitution of Russian Peltier elements

 

Kryotherm

St. Petersburg, https://kryothermtec.com/

Name

Quick-Ohm substitute

TB-127-1,0-1,3 (Snowball-71)

QC-127-1.0-3.9CM

TB-127-1,0-1,3 (Snowball-71)

QC-127-1.0-3.9CM

TB-127-1,0-1,3 (STORM-71)

QC-127-1.4-3.7CM

TB-127-1,4-2,5 (RIME-74)

QC-127-1.4-3.9CM

TB-127-1,4-2,5 (RIME-74)

QC-127-1.4-3.9CM

TB-127-1,4-1,5 (Frost-72)

QC-127-1.4-6.0CM

TB-127-1,4-1,5 (Frost-72)

QC-127-1.4-6.0CM

TB-127-1,4-1,5 (Frost-74)

QC-127-1.4-6.0CM

Cool Block (Frost-74)

on request

TB-127-1,4-1,5 (Frost-74)

QC-127-1.4-6.0CM

TB-127-1,4-1,5 (Frost-75)

QC-127-1.4-6.0CM

TB-127-1,4-1,5 (Frost-75)

QC-127-1.4-6.0CM

TB-127-1,4-1,5 (Frost-76)

QC-127-1.4-6.0CM

TB-127-1,4-1,15 (ICE-71)

QC-127-1.4-8.5CM

TB-127-1,4-1,15 (ICE-71)

QC-127-1.4-8.5CM

TB-127-1,4-1,15 (HAIL-71)

QC-127-1.4-8.5CM

TB-161-1,4-2,0 (GLACIER-2,0)

QC-161-1.6-4.5CM

TB-161-1,4-2,0 (GLACIER-2,0)

QC-161-1.6-4.5CM

TB-161-1,4-1,5 (GLACIER-1,5)

QC-161-1.6-6.0CM

TB-161-1,4-1,5 (GLACIER-1,5)

QC-161-1.6-6.0CM

TB-199-1,4-2,0 (DRIFT-2,0)

on request

TB-199-1,4-2,0 (DRIFT-2,0)

on request

TB-199-1,4-2,0 (DRIFT-2,0)

on request

TB-199-1,4-1,5 (DRIFT-1,5)

on request

TB-199-1,4-1,5 (DRIFT-1,5)

on request

TB-199-1,4-1,5 (DRIFT-1,5)

on request

TB-199-1,4-1,2 (DRIFT-1,2)

QC-199-1.0-8.0CM

TB-199-1,4-1,2 (DRIFT-1,2)

on request

TB-199-1,4-1,2 (DRIFT-1,2)

on request

TB-199-1,4-1,15 (DRIFT-1,15)

QC-199-1.0-8.0CM

TB-199-1,4-1,15 (DRIFT-1,15)

on request

TB-199-1,4-1,05 (DRIFT-1,05)

on request

TB-199-1,4-1,05 (DRIFT-1,05)

QC-199-1.0-8.0CM

TB-199-1,4-1,05 (DRIFT-1,05)

on request

TB-199-1,4-0,8 (DRIFT-0,8)

QC-199-1.0-11.0CM

Cool Block (DRIFT-0,8)

on request

TB-199-1,4-0,8 (DRIFT-0,8)

on request

TB-199-1,4-0,8 (DRIFT-0,8)

on request

TB-199-1,4-0,6 (DRIFT-0,6)

QC-199-1.0-15.0CM

TB-199-1,4-0,6 (DRIFT-0,6)

on request

TB-199-1,4-0,6 (DRIFT-0,6)

on request

TB-127-1,0-0,8 (CHILL)

QC-127-1.4-6.0CM

 

Crystal Ltd.

Moscow, http://www.crystalltherm.com/


Name

Quick-Ohm substitute

S-007-10-08

on request

S-007-10-13

on request

S-007-10-15

on request

S-007-10-25

on request

S-007-14-11

on request

S-007-14-15

on request

S-007-14-25

on request

S-007-20-15

on request

S-017-10-08

on request

S-017-10-13

on request

S-017-10-15

on request

S-017-10-25

on request

S-017-14-11

QC-17-1.4-8.5CM

S-017-14-15

QC-17-1.4-6.0CM

S-017-14-25

QC-17-1.4-3.7CM

S-017-20-15

on request

S-031-10-08

on request

S-031-10-13

QC-31-1.0-3.9CM

S-031-10-15

QC-31-1.0-3.0CM

S-031-10-20

QC-31-1.0-2.5CM

S-031-10-25

on request

S-031-14-11

QC-31-1.4-8.5CM

S-031-14-15

QC-31-1.4-6.0CM

S-031-14-25

QC-31-1.4-3.7CM

S-031-20-15

on request

S-031-20-25

on request

S-032-14-045-Mch

on request

S-059-14-15

on request

S-063-10-13

QC-63-1.0-3.9CM

S-063-10-15

QC-63-1.0-3.0CM

S-063-10-25

QC-63-1.0-2.5CM

S-071-10-08

on request

S-071-10-13

on request

S-071-10-15

on request

S-071-10-25

on request

S-071-14-11

QC-71-1.4-8.5CM

S-071-14-15

QC-71-1.4-6.0CM

S-071-14-25

QC-71-1.4-3.7CM

S-071-20-15

QC-71-2.0-12.0CM

S-071-20-25

on request

S-127-10-08

on request

S-127-10-13

QC-127-1.0-3.9CM

S-127-10-15

QC-127-1.0-3.0CM

S-127-10-20

QC-127-1.0-2.5CM

S-127-10-25

on request

S-127-14-11

QC-127-1.4-8.5CM

S-127-14-13

QC-127-1.4-6.0CM

S-127-14-15

QC-127-1.4-6.0CM

S-127-14-25

QC-127-1.4-3.7CM

S-127-15-12

QC-127-1.4-8.5CM

S-127-15-135

QC-127-1.4-8.5CM

S-127-20-15

QC-127-2.0-15.0CM

S-127-20-25

on request

S-131-10-13

on request

S-161-12-08

on request

S-161-12-10

on request

S-161-12-13

QC-161-1.6-4.5CM

S-161-12-15

QC-161-1.6-4.5CM

S-161-14-15

on request

S-161-15-11

on request

S-161-15-14

QC-161-1.6-6.0CM

S-161-15-18

QC-161-1.6-6.0CM

S-199-10-13

on request

S-199-10-15

on request

S-199-14-08

QC-199-1.0-11.0CM

S-199-14-11

QC-199-1.0-8.0CM

S-199-14-13

on request

S-199-14-15

on request

S-199-14-25

on request

S-241-10-08

on request

S-241-10-13

QC-241-1.0-3.9CM

S-241-10-15

QC-241-1.0-3.0CM

S-241-10-25

on request

S-241-14-11

QC-241-1.4-8.5CM

S-241-14-15

QC-241-1.4-6.0CM

S-241-14-25

on request

S-287-10-13

on request

S-287-10-15

on request

 

 

Ferrotec Russia / Ferrotec NORD / SCTB NORD

Moscow, https://www.ferrotec-nord.com/

Name

Quick-Ohm substitute

TM-17-1.0-3.0M

QC-17-1.0-3.0CM

TM-17-1.0-3.9M

QC-17-1.0-3.9CM

TM-17-1.4-3.7M

QC-17-1.4-3.7CM

TM-17-1.4-6.0M

QC-17-1.4-6.0CM

TM-17-1.4-8.5M

QC-17-1.4-8.5CM

TM-31-1.0-2.5M

QC-31-1.0-2.5CM

TM-31-1.0-3.0M

QC-31-1.0-3.0CM

TM-31-1.0-3.9M

QC-31-1.0-3.9CM

TM-31-1.4-3.7M

QC-31-1.4-3.7CM

TM-31-1.4-6.0M

QC-31-1.4-6.0CM

TM-31-1.4-8.5M

QC-31-1.4-8.5CM

TM-32-2.0-9.0M

QC-32-2.0-9.0CM

TM-35-1.4-3.7M

QC-35-1.4-3.7CM

TM-35-1.4-6.0M

QC-35-1.4-6.0CM

TM-35-1.4-8.5M

QC-35-1.4-8.5CM

TM-63-1.0-2.5M

QC-63-1.0-2.5CM

TM-63-1.0-3.0M

QC-63-1.0-3.0CM

TM-63-1.0-3.9M

QC-63-1.0-3.9CM

TM-63-1.4-3.7M

QC-63-1.4-3.7CM

TM-63-1.4-6.0M

QC-63-1.4-6.0CM

TM-63-1.4-8.5M

QC-63-1.4-8.5CM

TM-69-1.4-8.5M

QC-69-1.4-8.5CM

TM-69-1.4-9.0M

QC-69-1.4-9.0CM

TM-71-1.0-2.5M

QC-71-1.0-2.5CM

TM-71-1.0-3.0M

QC-71-1.0-3.0CM

TM-71-1.0-3.9M

QC-71-1.0-3.9CM

TM-71-1.4-3.7M

QC-71-1.4-3.7CM

TM-71-1.4-6.0M

QC-71-1.4-6.0CM

TM-71-1.4-8.5M

QC-71-1.4-8.5CM

TM-71-1.4-9.0M

QC-71-1.4-9.0CM

TM-71-1.6-15.0M

QC-71-1.6-15.0CM

TM-71-2.0-12.0M

QC-71-2.0-12.0CM

TM-71-2.0-15.0M

QC-71-2.0-15.0CM

TM-127-1.0-2.5M

QC-127-1.0-2.5CM

TM-127-1.0-3.0M

QC-127-1.0-3.0CM

TM-127-1.0-3.9M

QC-127-1.0-3.9CM

TM-127-1.0-3.9MS

QC-127-1.0-3.9CMS

TM-127-1.2-7.5M

QC-127-1.2-7.5CM

TM-127-1.4-3.7M

QC-127-1.4-3.7CM

TM-127-1.4-3.7MS

QC-127-1.4-3.7CMS

TM-127-1.4-6.0M

QC-127-1.4-6.0CM

TM-127-1.4-6.0MS

QC-127-1.4-6.0CMS

TM-127-1.4-8.5M

QC-127-1.4-8.5CM

TM-127-1.4-8.5MS

QC-127-1.4-8.5CMS

TM-127-1.6-15.0M

QC-127-1.6-15.0CM

TM-127-2.0-12.0M

QC-127-2.0-12.0CM

TM-127-2.0-15.0M

QC-127-2.0-15.0CM

TM-161-1.6-15.0M

QC-161-1.6-15.0CM

TM-241-1.0-3.0M

QC-241-1.0-3.0CM

TM-241-1.0-3.9M

QC-241-1.0-3.9CM

TM-241-1.4-8.5M

QC-241-1.4-8.5CM

TM-241-1.6-10.0M

QC-241-1.6-10.0CM

TM-241-1.6-15.0M

QC-241-1.6-15.0CM

TM-241-1.6-20.0M

QC-241-1.6-20.0CM

TM-241-1.6-28.0M

QC-241-1.6-28.0CM

TM-254-1.4-6.0M

QC-254-1.4-6.0CM

TM-257-1.4-6.0M

QC-257-1.4-6.0CM

TM-450-0.8-3.0M

QC-450-0.8-3.0CM

QUICK-OHM specifications

 

Imax
(A)

Umax
(W)

Qcmax
(W)

dTmax
(K)

Cold side
(mm)

Hot side
(mm)

Height
(mm)

R_ac
(Ohm)

QC-17-1.0-3.0CM

3.0

2.0

3.3

72

12 × 12

12 × 12

3.8

0.6

QC-17-1.0-3.9CM

3.9

2.0

4.9

72

12 × 12

12 × 12

3.6

0.5

QC-17-1.4-3.7CM

3.7

2.0

4.6

72

12 × 12

12 × 12

4.7

0.44

QC-17-1.4-6.0CM

6.0

2.0

7.4

72

15 × 15

15 × 15

3.8

0.27

QC-17-1.4-8.5CM

8.5

2.0

12

72

15 × 15

15 × 15

3.4

0.2

QC-31-1.0-2.5CM

2.5

3.6

5.7

72

15 × 15

15 × 15

4.2

1.2

QC-31-1.0-3.0CM

3.0

3.6

7.2

72

15 × 15

15 × 15

3.8

0.9

QC-31-1.0-3.9CM

3.9

3.6

8.9

72

15 × 15

15 × 15

3.6

0.75

QC-31-1.4-3.7CM

3.7

3.6

8.4

72

20 × 20

20 × 20

4.7

0.8

QC-31-1.4-6.0CM

6.0

3.6

13.6

72

20 × 20

20 × 20

3.8

0.5

QC-31-1.4-8.5CM

8.5

3.6

18

72

20 × 20

20 × 20

3.4

0.37

QC-35-1.4-3.7CM

3.7

4.0

9.5

72

15 × 30

15 × 30

4.7

0.9

QC-35-1.4-6.0CM

6.0

4.0

15.3

72

15 × 30

15 × 30

3.8

0.6

QC-35-1.4-8.5CM

8.5

4.0

20.4

72

15 × 30

15 × 30

3.4

0.42

QC-63-1.0-2.5CM

2.5

7.2

11.6

72

15 × 30

15 × 30

4.2

2.4

QC-63-1.0-3.0CM

3.0

7.2

14.6

72

15 × 30

15 × 30

3.8

1.9

QC-63-1.0-3.9CM

3.9

7.2

18

72

15 × 30

15 × 30

3.6

1.5

QC-63-1.4-3.7CM

3.7

7.2

17

72

20 × 40

20 × 40

4.7

1.6

QC-63-1.4-6.0CM

6.0

7.2

27.7

72

20 × 40

20 × 40

3.8

1

QC-63-1.4-8.5CM

8.5

7.2

37

72

20 × 40

20 × 40

3.4

0.75

QC-71-1.0-2.5CM

2.5

8.2

13

72

22.4 × 22.4

22.4 × 22.4

4.2

2.7

QC-71-1.0-3.0CM

3.0

8.2

16.5

72

22.4 × 22.4

22.4 × 22.4

3.8

2.1

QC-71-1.0-3.9CM

3.9

8.2

20,4

72

22.4 × 22.4

22.4 × 22.4

3.6

1.7

QC-71-1.4-3.7CM

3.7

8.2

19.3

30 × 30

30 x 34

4.7

1.8

QC-71-1.4-6.0CM

6.0

8.2

31

72

30 × 30

30 × 34

3.8

1.2

QC-71-1.4-8.5CM

8.5

8.2

41.4

72

30 × 30

30 × 34

3.4

0.85

QC-71-2.0-12.0CM

12.0

8.2

63

72

40 × 40

40 × 40

3.8

0.56

QC-71-2.0-15.0CM

15.0

8.2

77

72

40 × 40

40 × 40

3.6

0.46

QC-127-1.0-2.5CM

2.5

14.6

23.5

72

30 × 30

30 × 30

4.2

4.8

QC-127-1.0-3.0CM

3.0

14.6

29

72

30 × 30

30 × 30

3.8

3.8

QC-127-1.0-3.9CM

3.9

14.6

36.6

72

30 × 30

30 × 30

3.6

3.1

QC-127-1.4-3.7CM

3.7

14.6

34.5

72

40 × 40

40 × 40

4.7

3.3

QC-127-1.4-6.0CM

6.0

14.6

55

72

40 × 40

40 × 40

3.8

2

QC-127-1.4-8.5CM

8.5

14.6

74

72

40 × 40

40 × 40

3.4

1.5

QC-127-2.0-12.0CM

12

14.6

113

72

50 × 50

50 × 54

3.8

1

QC-127-2.0-15.0CM

15.0

14.6

110

72

50 × 50

50 × 54

3.6

0.82

QC-161-1.6-15.0CM

15.0

18.5

150

72

40 × 40

40 × 40

3.3

1.14

QC-241-1.0-3.0CM

3.0

27.7

56

72

40 × 40

40 × 40

3.8

7.2

QC-241-1.0-3.9CM

3.9

27.7

69

72

40 × 40

40 × 40

3.1

5.8

QC-241-1.4-8.5CM

8.5

27.7

135

72

54.4 × 54.4

54.4 × 54.4

3.4

2.9

QC-241-1.6-15.0CM

15.0

27.7

230

72

50 × 50

50 × 54

3.6

1.71

QC-241-1.6-28.0CM

28.0

27.7

430

68

50 × 50

50 × 54

3.3

0.87

QC-450-0.8-3.0CM

3.0

51.7

101

72

54.4 × 54.4

54.4 × 57.0

3.4

14


 

 

 

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