Semiconductor Condenser Peltier Thermoelectric Dehumidifier 5 Channel

What is the thermoelectric cooling?
Thermoelectric cooling is a way to pump heat from one side of a device to the other by applying voltage between two electrodes connected to a sample of semiconductor material. The temperature differential that appears, which is known as the Peltier Effect, can be used for cooling, heating and precise temperature control for various applications.

How do the thermoelectric cooler work?
Thermoelectric coolers, are solid-state heat pumps that require DC voltage to dissipate heat using the Peltier effect. A Thermoelectric cooler consists of an array of p-and n-type semiconductor materials that are soldered between two ceramic plates. During operation, electric current flows through the module to create heat transfer and a temperature differential across the ceramic plates resulting in one cold and one hot side of the Thermoelectric cooler.

What are the advantages of using thermoelectric cooler instead of compressor-based systems?
Thermoelectric coolers are highly reliable because they have a solid-state construction with no moving parts. They are also known for having a high mean time between failures (MTBFs). It is difficult to estimate the lifetime of a thermoelectric cooler, due to the variables in application conditions such as changes to heat load, on/off cycling, heat or cooling, drive circuit and system design with protection against condensation. All variables can influence the product’s lifetime.

However, for demanding applications such as modern diagnostic, which require high rates of thermal cycling, thermoelectric coolers have been tested to withstand over 1,000,000 thermal cycles without degradation in performance.

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