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thermoelectric cooler module,
teg peltier module
TEC Electronic Thermoelectric Cooler Peltier
A Peltiermodule consists of semiconductors mounted successively, which form p-n-and n-p-junctions.
Heat is absorbed at the cold junction by electrons as they pass from a low energy level in the p-type element, to a higher energy level in the n-type element. At the hot junction, energy is expelled to a thermal sink as electrons move from a high energy N element to a lower energy P element.
A module contains several P-N couples that are connected electrically in series and thermally in parallel
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