Peltier Thermoelectric Cooler - 40x40mm

This Peltier Thermoelectric Cooler just needs some electricity and it gets cool on one side and hot on the other! Simple as that!

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Last Updated: 06/22/2024




This Peltier Thermoelectric Cooler / Heater takes in any voltage from 0 - 15.2V and turns it into heat & cold! The higher the voltage, the greater the temperature difference, the hotter the hot side gets and the colder the cold side gets.

This is super great for personal air conditioning projects, making mini fridges, drink warmers/coolers, CPU cooling devices and many other cooling & heating devices.


  • Operating Voltage: 0V - 15.2V DC (the higher the voltage, the colder the cool side gets & the hotter the hot side gets)
  • Max Current: 6A
  • Max Power Consumption: 70W
  • Dimensions:
    • Peltier Module: 40mm x 40mm x 4mm
    • Wire Leads: 6" long
  • CAUTION: The hot side gets VERY HOT! Exercise caution when in use to avoid burns. Use a heat sink (or other large metal object) to dissipate heat when necessary.
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