20KPA160A-B Circuit Protection

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TVS - Diodes

Transient Voltage Suppressor (TVS) Diodes are semiconductor devices used to protect electronic equipment from overvoltage or high voltage transients from electrostatic discharge, electrical power circuits, and electro-mechanical switching. They prevent damage to sensitive electronic components from an unexpected surge or spike in voltage, which can upset and even destroy the proper operation of the supplied equipment. The primary function of TVS Diodes is to quickly clamp the voltage to safe levels to protect the circuit from overvoltage, while allowing normal operation within the design operating range.

20KPA160A-B Application Field and Working Principle

The 20KPA160A-B TVS Diode is designed for overvoltage protection of automotive or other electronic equipment subjected to transients in applications such as in-vehicle communication systems, automotive peripheral equipment, and lighting systems. Its superior performance characteristics include an operating voltage range of up to 400V, a maximum clamping voltage up to 950V, a working power rating up to 50W, and an operating current rating of 9A. Due to their low forward voltage drop and low clamping voltage, the 20KPA160A-B is well-suited for the protection of sensitive circuitry connected to power bus lines.

In normal operation the TVS Diode will conduct the current to the load while blocking any excessive voltage. When the supply voltage exceeds the design of the TVS Diode, it will conduct the excess voltage to the ground, thus limiting the voltage to a safely level. The TVS Diode can also be used in reverse polarity protection applications, in which case it will conduct the current away from the load when the voltage is reversed. In all cases the TVS Diode will act quickly to protect the circuit, and then reset itself ready for another occurrence of the overvoltage condition.

When selecting a TVS Diode, attention should be paid to each parameter of performance. It should be noted that working power rating, operating voltage rating, and maximum clamp voltage all influence the breakdown voltage, which is defined as the externally applied voltage that causes the TVS Diode to start conducting. Other factors to consider when selecting a TVS Diode are clamp surge current, lead temperatures, and operating temperature range.

In conclusion, the 20KPA160A-B TVS Diode is a reliable and efficient semiconductor device used in many commercial and automotive applications. By providing overvoltage protection it helps to ensure the correct operation of the connected equipment in potentially hazardous conditions. Furthermore, due to its superior operational characteristics, the 20KPA160A-B is an ideal choice for any applications which require transient voltage suppression and current protection.

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