Custom Thermoelectric - Peltier

1581T-9L31-05CQQ-S 2 Stage Thermal Cycling Thermoelectric Module [RTV sealed]


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image of high temp 2 stage cascade peltier cooling module part number 1581T-9L31-05CQQ-S 40x40mm RTV sealed

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Thermal & Electrical Specifications

19.18 5.0 15.9 100 200 2.65

Dimensions mm[inches]

40.0 [1.575] 40.0 [1.575] 40.0 [1.575] 40.0 [1.575] 9.0 [0.354]
image of multistage TEC dimensions

  • Designed to withstand Thermal Cycling with our proprietary stress absorbing construction
  • Made using select high performance BiTe semiconductor materials for exceptional performance
  • 31 couple top stage. 127 couple bottom stage
  • Multistage ThermoElectric Cooler (TEC)
  • Multistage to achieve greater delta T's
  • Rated to 200°C for high temperature environments and applications
  • Lapped ceramic (Al2O3) faces
  • RTV sealed

  • PDF file icon
    Specification Sheet
  • Internal web link icon
    Selecting a TEC
  • Internal web link icon
    TEC Installation

  • STEP file icon
    STEP 3D file
  • STL file icon
    STL 3D file

NOTE: (1) Due to file size, some of the downloaded files may be compressed in a .RAR archive. Please go to to download a free program to decompress these files. (2) Many of the 2D and 3D CAD models are "Defeatured". This means the 2D and 3D CAD models provided may withhold details and dimensions of the internal structures in order to protect the proprietary features of the product. By downloading any of the above CAD files, you accept the conditions of our CAD Disclaimer.