TEC Microsystems - Miniature Thermoelectric Coolers and Sub-Assemblies


Founded in 2007, the Hi-Tech company TEC Microsystems GmbH is based in the prominent Technology Park Berlin Adlershof, Germany. Thermoelectric technologies are our core competence based on almost a decade of analysis, innovative development, product design and successful projects in this field.

Specialized in miniature thermoelectric modules (Peltier elements), TEC Microsystems GmbH is a driver of innovation and technological progress, including state-of-the-art analysis techniques. Our worldwide customers operate in key industries like optoelectronics, telecom, micro-electronics, space, medical equipment/health care, security systems, small-scale green energy harvesting and fundamental research. All thermoelectric modules and related products are designed and developed in our ISO 9001:2015 certified facility in Berlin, Germany.


Devices for thermoelectric coolers express Quality Control, TEC performance and conditions testing

TTRS Sub-Assemblies

Thermoelectric Sub-Assemblies with integrated TTRS unit and Thermistor for IR applications

TEC Controllers (Drivers)

Precise programmable thermoelectric controllers (TEC drivers) with PID Auto-tune function

Optical Power Meters

Precise and accurate thermoelectric laser power meters

Thermoelectric Sub-Assemblies - thermoelectric coolers on headers
Thermoelectric Heat Flux Sensors with ultra-high sensitivity
Miniature Thermoelectric Coolers
Z-Meters - devices for thermoelectric coolers express quality control
TTRS components - thermoelectric sub-assemblies for IR applications
Precise programmable thermoelectric controllers (TEC drivers) with PID Auto-tune function
Special equipment for deep analysis of thermoelectric coolers and materials

R&D Equipment

Special laboratory equipment for deep analysis of TECs and TE materials

TEC Integrating Services

Thermoelectric coolers optimization and integrating into Customer design

Thermoelectric Optical/Laser Power Meters
Thermoelectric Coolers mounting and integrating into customer desing
TEC Microsystems GmbH - Miniature Thermoelectric Coolers and related products



Ultra high-sensitive miniature TE Heat Flux Sensors with patented self-calibration


New innovative thermoelectric coolers with Aluminium plates and advanced TEC reliability



Thermoelectric Coolers mounted on industry standard or customized headers and packages



More than 5000 standard TE coolers with a wide range of manufacturing options


Advanced miniature thermoelectric coolers. More than 5000 different TEC types.Ultra-compact, high performance thermoelectric coolers for telecom applications (transceivers and TOSA)Unique miniature multi-stage thermoelectric coolers.  4-stage TE coolers that fit TO-8 headers by size.In-depth modifications and developments of header-less thermoelectric coolers for VCSEL applications, IR and X-ray detectors.Thermoelectric assemblies - TE coolers mounted on standard headers with thermistors and additional application-specific modifications.Unique Aluminium thermoelectric coolers with holes for external coolingAdvanced miniaturization technologies for single and multistage thermoelectric coolers.  Up to 8x smaller size with the same cooling performance.Custom Au patterns development on thermoelectric cooler ceramics or separate ceramic substratesUnique aluminum thermoelectric coolers with metal plates instead of traditional ceramics. High performance TE coolers for cycling applications, tested to 1M cycles.Unique aluminum thermoelectric coolers with metal plates instead of traditional ceramics. Ultimate cooling performance  for cycling applications, tested to 1M cycles.  40x40mm2 TECs with Qmax500W" data-description="" data-link="https://www.tec-microsystems.com/products/1ma10-aluminium-thermoelectric-coolers.html" />Advanced thermoelectric coolers for PCR applications.  All-in-one thermoelectric cycles with probe holders and integrated temperature sensors.TEC Microsystems GmbH  - advanced miniature thermoelectric solutions.  We create TECs.

40x40mm2 TECs with Qmax>500W

May 29th 2024

For a long time, the maximum size of our innovative aluminium TE coolers was limited to 30x30mm2.  We are happy to announce that we have taken it to the next level and implemented the 40x40mm2 format.  A single TEC with dimensions 40x40mm2 can reach Qmax>500W.  Meet the largest and strongest aluminium thermoelectric cooler in our range - the 1MA10-2x263-03.  Several configurations with dimensions of 40x40mm2 (cold side) are available.

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2MC10 two-stage TECs update

Jan 23rd 2024

We are pleased to announce a significant update to our 2MC10 Thermoelectric Coolers. These particular two-stage thermoelectric coolers are designed for a variety of applications, including X-Ray and IR- detector cooling, optical component cooling, electron microscopes, and scientific studies in a vacuum environment. TECs from our 2MC10 are also commonly used in space application projects. 

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Aluminium TE Coolers with holes

Nov 16th 2023

Introducing a new range of aluminum thermoelectric modules with holes for external cooling. New Aluminium TEC solutions and unique customization possibilities. Check our “under-Butterfly” thermoelectric coolers for external temperature stabilization and LD reliability testing. Detailed TEC datasheets are available.

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TO-46 Sub-assemblies web update

July 24th 2023

A major update has been made to the Sub-assemblies web section. The product line of thermoelectric sub-assemblies on TO-46 headers has been updated. Dozens of thermoelectric coolers on industry standard TO-46 headers are available. Solutions with 5 and 6pins TO-46 header with TEC cold side up to 1.2x1.9mm2. New TEC types are available.

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Aluminium TECs passed qualification

March 14th 2023

1MA10 Series of "Aluminium” thermoelectric coolers has been successfully qualified by Telcordia GR-468 Standard. The qualification  confirmed the full compliance of the innovative "Aluminium" TECs with Telcordia GR-468 requirements.  And in the case of temperature cycling reliability, the results far exceeded the requirements of the standard.

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MX Thermoelectric Coolers update

Feb 17th 2023

A major update has been made to the MX Thermoelectric Coolers group.  Detailed specifications for each type are available, as well as a number of new TECs.  MX Group's TE coolers are mainly designed for X-ray and IR detectors and have a special internal arrangement of elements for an optimal balance of current and voltage in the operating mode. 

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TE Coolers made in Georgia

Nov 24th 2022

TEC Microsystems has created a subsidiary and is moving the production of thermoelectric coolers to Georgia. Moving production to Georgia will allow us to continue uninterrupted shipments, keep prices competitive, simplify import process and reduce import duties for our customers.  

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TECs with center-hole - major update

Oct 31st 2022

Center-hole TECs are optimal for applications with already sealed objects and/or packages with limited space inside. The "external cooling" method with TEC brings all the advantages of thermal regulation to some traditionally uncooled devices, especially LD in TO-46, TO-59 and TO-9 packages.

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1ML07 Thermoelectric Coolers update

Sep 15th 2022

1ML07 TECs are all the direct analogs of ML06 TEC Series by geometry but have an extra 35-40% cooling capacity reserve for applications with larger heatload. We introduce an update to our 1ML07 series with detailed thermoelectric cooler specifications for standard solutions and dozens of new TEC types. More than 300 detailed TEC datasheets are available.

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1ML06 TE Coolers majour update

May 24th 2022

The 1ML06 series thermoelectric coolers are most often found in laser applications that use  "Butterfly" or DIL-type housings.  We introduce an update to our 1ML06 series with new detailed specifications for standard TEC solutions as well as dozens of new types.

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Customized Au patterns on TECs

Sept 21st 2021

Au pattern on TEC cold side simplifies mounting of electronic components. Mounting components directly on TEC ceramics improves thermal design and reduces temperature control response time.  This brief overview describes our features and design rules for developing and integrating custom Au patterns on TECs.

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DX4091 Z-Meter for BiTe pellets testing

March 18th 2021

The new DX4091 Z-Meter uses a unique and innovative method to test a single BiTe pellet (post). With DX4091, it is possible to test the parameters of BiTe pellets and understand the actual properties of future thermoelectric coolers assembled with these pellets - prior to TEC assembly.  DX4091 is designed for express analysis of key TEC components - BiTe pellets.

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1MA10 “Aluminium" TE Coolers update

Jan 22nd 2021

1MA10 TEC Series is updated with new thermoelectric coolers with dimensions optimal for PCR cycling (DNA cyclers), Point-of-care (POC) and Lab-on-Chip (LOC) medical diagnostic applications. 1MA10 TECs have up to 30W/cm2 cooling power density.  A single TEC's cooling capacity can now reach an impressive 280W (Qmax) level for a 30x30mm2 thermoelectric cooler. 

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TEC Microsystems GmbH

Adlershof Business Park

Schwarzschildstr. 8

12489 Berlin


thermoelectric coolers FAQ

The list of the most frequently asked questions and answers about thermoelectric coolers in an easy to read keynote format



Send us your requirements and

get a quick response with the most optimal TE Cooler

Email:     info(at)tec-microsystems.com

Phone:     +49 (030) 6789 3314

Fax:          +49 (030) 6789 3315

Miniature thermoelectric generators for small-scale green energy harvesting

Thermoelectric Generators

Advanced miniature Thermoelectric Generators for Small Scale Green Energy Harvesting

Aluminium thermoelectric coolers for cycling

Aluminium TECs for cycling

Aluminium thermoelectric coolers for cycling applications.  Advanced tested to 1M cycles TE Coolers for medical applications.  

Aluminium thermoelectric coolers