TMOV20RP320ML2T7

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TMOV20RP320ML2T7 is a type of transorb or Transient Voltage Suppressor (TVS) device. It is used to protect a circuit from Elecromagnetic Interferences (EMI) and Electrical Fast Transients (EFT). The protection is achieved by limiting the voltage spikes beyond a certain threshold. The TMOV20RP320ML2T7 comprises of a metal oxide varistor (MOV) and a thermally protected triac. MOVs and Varistors are two types of TVS devices used for protection of electrical and electronic circuits against transients like EFT and EMI.

MOVs (Metal Oxide Varistors) are one of the most widely used TVS devices. An MOV is a voltage-dependent resistor whose resistance decreases with increasing voltage. It is made up of metal oxide particles suspended within a plastic or rubber substance. When the voltage across the MOV exceeds its threshold value, it starts conducting electricity and diverts the excess current away from the circuit. MOVs can be used in both AC and DC circuits.

Varistors, on the other hand, are used mainly for protection of AC circuits against transients. They are made up of stacks of metal plates of varying thicknesses, separated by ceramic discs. It has a non-linear, exponential resistance-voltage characteristic. When a voltage spike occurs, the varistor\'s resistance suddenly drops, resulting in a flow of current through the varistor and thus protecting the load.

The TMOV20RP320ML2T7 is an MOV that is combined with a thermally protected triac. It is designed to provide superior surge protection to sensitive electronics such as microprocessors, motherboards, data networks, control panels, and AC/ DC circuits. It has a peak pulse current of determined by the limiting value of the thermally protected triac. It is rated to provide protection against transient voltages up to 320V. The device has a maximum response time of less than 5ns and its maximum surge current capability is 20A.

The working principle of the TMOV20RP320ML2T7 is simple. When the voltage across the MOV exceeds its threshold voltage, the MOV will start conducting electricity and divert the excess current away from the protected circuit. The thermally protected triac ensures that the device works reliably without any false Triggering or damage to sensitive electronics.

The TMOV20RP320ML2T7 is ideal for protection against overvoltages and short transients in industrial, commercial, and residential applications. It is especially suitable for environments where high temperature operation and long life can be expected. Furthermore, its superior thermal protection allows for safe operation in harsh climatic conditions.

In conclusion, the TMOV20RP320ML2T7 is a reliable MOV-triac combination that provides superior protection to sensitive electronics against EMI and EFT transients. It has a peak pulse current of 20A and is rated to provide protection up to 320V. Furthermore, its superior thermal protection ensures safe operation in harsh climatic conditions.

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