SM1624C

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TVS (transient voltage suppressor) diodes are essential components for protecting electronic devices from exposure to high voltage (HV) transients. The SM1624C is a bi-directional TVS diode designed specifically to protect sensitive electronics from HV transients caused by electrostatic discharge (ESD), electrical fast transients (EFT) and lightning strikes. It is widely used in automotive, industrial and consumer applications.

The SM1624C consists of an anode and two cathode pins, a Zener diode and an Avalanche diode connected in series. To provide reverse voltage protection from ESD and EFT, the Zener diode is the main element in the device. The Zener diode turns on and begins clamping the reverse applied voltage when it exceeds its high Zener voltage. The Avalanche diode then turns on with a low voltage drop and helps to reduce the forward voltage voltage drop across the diode. The Zener diode also provides overvoltage protection to prevent damage caused by voltage transients above the clamping voltage level.

The SM1624C operates over a wide temperature range of -55 to 125 °C and has an operating breakdown voltage of 9.1V and a surge current rating of 140A. It is rated at 1,000W of peak pulse power, making it suitable for a wide range of high power applications. In addition, it offers good ESD performance and low leakage current.

The SM1624C is suitable for many applications as it combines the benefits of both Zener and Avalanche diodes. It offers a high level of protection against ESD, EFT and lightning surges. It can be used in automotive and industrial power systems, consumer products, and any other application requiring robust ESD protection. Its wide operating temperature range and low leakage current makes it an ideal choice for protecting sensitive circuits.

In conclusion, the SM1624C TVS diode offers reliable and robust protection against high voltage transients. It combines the benefits of both Zener and Avalanche diodes, making it suitable for a wide range of applications in the automotive, industrial and consumer sectors. Its wide temperature range and low leakage current make it the ideal choice for protecting sensitive circuits from voltage transients.

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