5V 2A 20mm Small Low Voltage Peltier Thermoelectric Device Performance Test

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5V 2A 20mm Small Low Voltage Thermoelectric Device Performance Test

This time, we will test the performance of a small 20mm thermoelectric device powered by a low voltage of DC 5V.
The SR-4902 thermoelectric element operates with a maximum DC voltage of 6V and a maximum current of 2A, and has an internal resistance of 2.7 ohms (Ω).
The size is about 20x20x2.8mm in width, length and thickness, and it is made of copper rather than ceramic,
and has high thermal conductivity, so the cooling efficiency is better compared to ceramic materials.

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