##  [Thermoelectric Coolers](/products/thermoelectric-cooler-modules)

# Thermoelectric Coolers

**Tark Thermal Solutions’** broad family of thermoelectric coolers provide design engineers with a wide range of cooling capacities, temperature differentials, form factors, finishing options and thermal cycling capabilities. Select from our standard thermoelectric cooler products or engage with our thermal experts to quickly develop a custom thermoelectric cooling solution with our prototyping center for the optimum thermal management solution.

[Product Series](#productseries)[Parametric Search](#parametricsearch)  

[General Information](#aboutthermalelectriccoolers)[Thermal Calculator](/thermal-wizard/qc-cooling-selector-home)

![thermoelectric coolers](/sites/default/files/styles/high_xs/public/fields/media.image.field_media_image/2025-04/TEC-MIX_0.png.webp?itok=Oa7b0AJ5)

## Product Series

#### [HiTemp ETX Series](/products/thermoelectric-cooler-modules/peltier-hitemp-etx-series)

![HiTemp ETX Series](/sites/default/files/styles/high_xs/public/fields/media.image.field_media_image/2022-08/HiTemp-ETX-Series-520x325.png.webp?itok=RgXrO5iR)

Premium thermoelectric cooler for high temperature applications

#### [OptoTEC™ OTX/HTX Series](/products/thermoelectric-cooler-modules/peltier-optotec-otx-htx-series)

![OptoTEC Series](/sites/default/files/styles/high_xs/public/fields/media.image.field_media_image/2022-08/Optotec-Series-520x325.png.webp?itok=8qVf2UtJ)

High-performance thermoelectric cooler for temperature stabilization of optoelectronics

#### [PowerCycling PCX Series](/products/thermoelectric-cooler-modules/peltier-thermal-cycling-pcx-series)

![PCX Series](/sites/default/files/styles/high_xs/public/fields/media.image.field_media_image/2022-08/PCX-Series-520x325.png.webp?itok=gEfWHFuq)

High-performance thermoelectric cooler providing long life operation in thermal cycling applications

#### [UltraTEC™ UTX Series](/products/thermoelectric-cooler-modules/peltier-utx-series)

![UTX Series](/sites/default/files/styles/high_xs/public/fields/media.image.field_media_image/2022-08/UTX-Series-520x325.png.webp?itok=gOqDmCAF)

Premium thermoelectric cooler for demanding spot cooling applications

#### [OptoTEC™ MBX Series](/products/thermoelectric-cooler-modules/micro-MBX-series)

![MBX micro thermoelectric cooler](/sites/default/files/styles/high_xs/public/fields/media.image.field_media_image/2023-03/MBXs_thumb_0.gif.webp?itok=NvfMTRxT)

Micro TECs for space-constrained optoelectronics

#### [OptoTEC™ MSX Series](/products/thermoelectric-cooler-modules/micro-MSX-series)

![LT2234 MSX](/sites/default/files/styles/high_xs/public/fields/media.image.field_media_image/2023-05/LT2234_MSX_small_gold_top-v2.png.webp?itok=IqmS2nr_)

The multistage TECs with micro footprints for imaging applications

#### [CP Series](/products/thermoelectric-cooler-modules/peltier-cp-series)

![CP series page thumbnail](/sites/default/files/styles/high_xs/public/fields/media.image.field_media_image/2025-07/webthumbnailCPseries.png.webp?itok=En3A9iDR)

Ceramic Plate coolers for high heat-pumping applications

#### [Multistage MS Series](/products/thermoelectric-cooler-modules/peltier-multistage-series)

![MS Series](/sites/default/files/styles/high_xs/public/fields/media.image.field_media_image/2022-08/MS-Series-520x325.png.webp?itok=ZZWTTa2e)

Offers the highest temperature differential up to 80°C

#### [Annular Series](/products/thermoelectric-cooler-modules/peltier-annular-series)

![Annular Series 260x163](/sites/default/files/styles/high_xs/public/fields/media.image.field_media_image/2022-10/annular-series-260-163.png.webp?itok=KJkyEAnI)

Center hole in module for light protrusion in optics

#### [Legacy Products](/products/thermoelectric-cooler-modules/legacy-products)

![Legacy-Products-TEC web thumbnail](/sites/default/files/styles/high_xs/public/fields/media.image.field_media_image/2025-07/Legacy-Products-thumbnail.png.webp?itok=vJKzmMGO)

Thermoelectric coolers for legacy designs

## Parametric Search

**Thermal**

**\*Qc Max**

 0 W

 322 W

**\*ΔT Max**

 70 °C

 130 °C

**Max Operating Temperature**

 80 °C

 151 °C

**Stages\*\***

  Single  

  Multistage

**Type**

  Annular/Center Hole  

  High Temperature  

  Thermal Cycling

\*\*At least one stage must be selected to see results in chart

**Electrical**

**\*I Max**

 0 A

 31 A

**\*V Max**

 0 V

 38 V

**\*AC Resistance**

 0.0 Ohms

 10.0 Ohms

**Finishing**

  Standard Finish  

  Lapped  

  Gold Plating  

  Pre-tinned  

  Metallized

**Sealant**

  No Sealant  

  Epoxy  

  RTV

**Dimensions**

**Length**

 1.0 mm

 77.0 mm

**Width**

 1.0 mm

 76.0 mm

**Height**

 0.0 mm

 17.0 mm

**Series**

  Annular Series  

  CP Series  

  HiTemp ETX Series  

  Multistage MS Series  

  OptoTEC™ OTX Series  

  OptoTEC™ HTX Series  

  PowerCycling PCX Series  

  PolarTEC™ PT Series  

  UltraTEC™ UTX Series  

\* Specifications are shown at a hot side temperature of 27°C, except for the ETX, HTX and PCX series which are shown at 50°C.

  Check up to 3 TECs then click COMPARE to view a comparison datasheet

  Check up to 3 TECs then click COMPARE to view a comparison datasheet

## About Thermoelectric Coolers

#### Thermoelectric Cooling Technology

Solid-state heat pumps have been in existence since the discovery of the Peltier effect in 1834. The devices became commercially available several decades ago with the development of advanced semiconductor thermocouple materials in combination with ceramics substrates. Thermoelectric coolers are solid-state heat pumps that require a heat exchanger to dissipate heat utilizing the Peltier Effect. During operation, DC current flows through the thermoelectric cooler to create heat transfer and a temperature differential across the ceramic substrates, causing one side of the thermoelectric cooler to be cold, while the other side is hot. A standard single-stage thermoelectric cooler can achieve temperature differentials of up to 70°C.

The geometric footprint of a standard thermoelectric cooler can vary from 2 x 2 mm to 62 x 62 mm. The small size, combined with lightweight, makes thermoelectrics ideal for applications with tight geometric space constraints and low weight requirements. Traditional cooling technologies, such as conventional compressor-based systems, are typically much larger and heavier compared to thermoelectric technology.

**Tark Thermal Solutions** thermoelectric coolers can also be used as a power generator by converting waste heat into usable output DC power. Thermoelectrics are ideal for applications that require active cooling below ambient and have cooling capacity requirements <600 Watts. A design engineer should consider thermoelectric coolers when the system design criteria includes such factors as precise temperature control, high reliability, compact geometry constraints, low weight and environmental friendly requirements.

####  
Benefits of Thermoelectric Cooling

Thermoelectric Coolers have several advantages over alternate cooling technologies:

- Solid-state construction features no moving parts resulting in higher reliability.
- Units can be mounted in any orientation.
- Thermoelectric coolers can cool devices down to well below ambient. Colder temperatures can be achieved, down to minus 100°C by using a multistage thermoelectric cooler in a vacuum environment.
- Thermoelectrics can heat and cool by simply reversing the polarity, which changes the direction of heat transfer. This allows temperature control to be very precise, where up to ±0.01°C can be maintained under steady-state conditions.
- In heating mode, thermoelectric coolers are much more efficient than conventional resistant heaters because they generate heat from input power supplied plus additional heat generated by the heat pumping action.
- Devices are environmentally friendly because they use no CFCs and electrical noise is minimal.
- Thermoelectric coolers can be used as energy harvesters, turning waste heat into usable output DC power.

**Original URL:** https://tark-solutions.com/products/thermoelectric-cooler-modules