Miniature Thermoelectric Coolers

PL Engineering Ltd. is manufacturer with big knowledge in produce miniature thermal electrical modules from sketches to mass production. There are more than 5000 types of thermoelectric coolers available. Cold sides range from 1x1mm² to 18×18 mm² in most cases, dTmax – from 70°C in single stage up to 130°C in multi-stage configurations (specified at 27°C, vacuum).

Depending on size and performance all TE coolers are divided into several general Series. Please, select the Series below for detailed info and a list of standard thermoelectric cooler types. There are more than 5000 different TE coolers in our manufacturing range, about 2000 standard thermoelectric coolers and additionally more than 3000 various modifications and customized solutions. We recommend to submit a request to get a quick reply with the optimal TEC type for your application.


  • Dimensions: 1.0×1.0mm2 .. 18x18mm2
  • Single- and Multistage TE Coolers
  • Up to 40W per cm2 cooling power density
  • Regular and HD assembly technologies
  • Advanced Bi-Te material properties
  • RoHS compliant


  • Laser Diodes and Superluminescent Diodes
  • X-Ray and IR- Sensors
  • Photodetectors and Photomultipliers
  • Avalanche Photodiodes (APD)
  • Focal Plane Arrays (FPA)
  • Charge Couple Devices (CCD)
MD02 Series

Ultra-miniature single-stage TE coolers with Super-HD pellets placement technology, ideal for TOSA applications.

MD10 Series

The “heavy-duty” TECs, these analogs of MC10 Series by dimensions have up to 100% higher cooling capacity.

MDD Group

Special solutions with Ultra-HD pellets placement technology, the highest possible cooling power density.

Customized TEC development

Customized thermoelectric coolers development is our specialty. From slight modification of existing TECs to a complete development of entirely new thermoelectric coolers.