SA43A-E3/54

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Introduction

The SA43A-E3/54 is a TVS Diode, a semiconductor device used for protecting circuits from transient voltages and electric current surges. It is designed for low-voltage, low-voltage, low-power applications, providing protection against electrostatic discharge (ESD), lightning-induced transients, inductive and capacitive load switching transients, and other types of transients. It features a very low turn-on voltage, high surge capability, and low reverse leakage current. This makes it an ideal protection device for sensitive electronics and connected circuits, keeping them functioning optimally.

Application Field

The SA43A-E3/54 can be used in a variety of applications. It is commonly used in consumer electronics, automotive systems, industrial control systems, and medical devices. It can also be used to protect data lines, power supplies, and other low-voltage, low-power applications from ESD, lightning-induced transients, or other transient events. Additionally, it is often used in industrial automation and military applications, providing high performance, cost-effective protection against harsh electromagnetic environments.

Working Principle

The SA43A-E3/54 works by clamping the ultra-high voltage and transient currents, allowing them to self-dissipate. This is accomplished through a combination of dedicated surge current paths and internal diodes. It is comprised of a connected series of components, which divide the voltage and current transients into two components: the “passive” component, where the voltage is clamped to a certain level; and the “active” component, which limits the current pulses. The result is that the connected devices and components on the downstream side are protected.

Conclusion

The SA43A-E3/54 is an excellent TVS Diode, offering reliable transient protection in a variety of applications. Its low turn-on voltage, high surge capability, and low reverse leakage current make it suitable for providing protection against a wide range of transient threats. As a result, it can be a cost-effective, robust protection solution for low-voltage, low-power applications.

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