1PMT22AT1G Circuit Protection

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TVS - Diodes

Transient voltage suppression (TVS) diodes are semiconductor devices used to protect sensitive electronic circuits from transient overvoltages. 1PMT22AT1G is a popular TVS diode that is used to protect circuits from high voltage transients. This diode has a wide range of applications and is able to protect circuits from overvoltages up to 22A. In this article, we will discuss the application fields and the working principle of the 1PMT22AT1G TVS diode.

Application Fields

The 1PMT22AT1G TVS diode is often used to protect sensitive electronic circuits from power-transistor switching transients, electrostatic discharges (ESD), lamp flashover, and inductive switching transients. It is commonly used in automotive electronics such as engines and airbags, as well as in industrial and communications equipment. The 1PMT22AT1G is especially effective for protecting automotive and industrial systems from high voltage transients such as electrostatic discharges.

Working Principle

The 1PMT22AT1G TVS diode is a bidirectional, unidirectional, avalanche diode. It is designed to protect circuits from transient overvoltages by clamping the voltage to a safe level. The diode starts conducting when the voltage across it exceeds its breakdown voltage. Once it begins conducting, the diode will divert excess current away from the protected circuit, thereby preventing damage. The diode will remain in a non-conducting state until the transient voltage decreases to a safe level.

The 1PMT22AT1G has a bidirectional design, meaning it can conduct current in both directions. This is important for protecting circuits from reverse-polarity transients. The diode also has a Unidirectional Avalanche Diode (UAD) design, which allows it to start conducting current at a lower voltage than is possible with a standard diode. This makes it more effective for protecting circuits from electrostatic discharges.

The 1PMT22AT1G TVS diode is an effective and reliable way to protect circuits from high voltage transients and electrostatic discharges. Its wide range of applications and bidirectional design make it a popular choice for protecting sensitive circuitry.

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