This series of TEC (Thermoelectric Cooler) modules, ATE1-TC-127, has 127 pairs of Peltier elements inside with a maximum voltage of 16.2~17.5 Volt. This is a non-sealed version. They are designed for temperature cycling applications, in which a TEC module is exposed to demanding physical stresses as the module shifts from heating to cooling, and this can significantly reduce the operational life of a standard TEC. This thermal cycling TECs have significantly longer thermal cycling operational life than standard TECs.
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