This Thermoelectric cooler is of high quality, imported from US, same as the one available with Sparkfun. Thermoelectric coolers (TEC or Peltier) create a temperature differential on each side. One side gets hot and the other side gets cool. Therefore, they can be used to either warm something up or cool something down, depending on which side you use.
This Peltier works very well as long as you remove the heat from the hot side. After turning on the device, the hot side will heat quickly, the cold side will cool quickly. If you do not remove the heat from the hot side (with a heat sink or other device), the Peltier will quickly reach stasis and do nothing. We recommend using an old computer CPU heatsink or other block of metal to pull heat from the hot side.
We do have a similar chinese product available at low cost, check it out here.
40 x 40 x 3.6mm
lmax - 7A
Umax - 15.4V
Qcmax - 62.2W
Tmax - 69C
1.7 Ohm resistance
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