TMOV20R275E

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TMOV20R275E is a type of surge component technology for protecting against overvoltage; it is amongst many types that form part of the larger umbrella category of transient voltage surge suppressors (TVSS) or surge protective devices (SPD). It is classified under the specific category of transient voltage suppressors, or varistors, and it also falls under the moving part varistor (MOV) variety which is widely used in recent times. As such, it is important to have a basic understanding of the working principles and application field of the TMOV20R275E device.

Application Field of the TMOV20R275E

The application range of the TMOV20R275E device is varied and wide-ranging and it is suitable for excellent protection in a wide range of circuit designs that are intended to safeguard equipment from high voltage spikes or surges. It is typically used to protect against surges in low-voltage applications and is highly effective in protecting AC motors, control panels for motor drives, programmable logic controllers (PLCs), communication lines and automation systems. To put it simply, the TMOV20R275E is suitable for use in any device that must be protected from a large surge of high voltage.

Working Principle of the TMOV20R275E

The behaviour of the TMOV20R275E device can be understood by looking at its working principle. This device acts as a short-term response component, meaning that it activates within a few nanoseconds of detecting an overvoltage. The working of the TMOV20R275E involves the application of a thickening effect when the voltage exceeds a certain threshold. This causes the voltage to be reduced to a safe level, or in some cases to zero. This effectively protects the circuit from further damage due to an overvoltage.

The TMOV20R275E is a very efficient and reliable overvoltage protection device due to its active working principle and immediate response time of only a few nanoseconds. The voltage threshold which the device responds to is adjustable, and since it has a very low “on” state voltage drop, it can still provide excellent protection even when the voltage is several times higher than what is expected from the operating voltage of the circuit.

Conclusion

In conclusion, the TMOV20R275E is a versatile overvoltage protection device that is suitable for a wide range of applications. It works on the principle of a thickening effect which actuates quickly upon detecting an overvoltage, and reduces the voltage to a safe level. This working principle makes it an efficient and reliable device for protecting circuits from potential damage due to transient voltage surges.

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