SMM4F12AVCL Circuit Protection

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TVS - Diodes, also known as Transil Diodes, are components of electronic circuits that help protect from voltage surges and other transients on the power supply line. The SMM4F12AVCL is a TVS Diode from STMicroelectronics, designed for use in applications such as automotive, industrial, consumer, and telecom. This diode is an ideal choice for protecting sensitive electronics from voltage surges.

Application Field

The SMM4F12AVCL is a bi-directional TVS diode for protecting against Electrostatic Discharge (ESD) and surge transients. These devices are available in two professional packages. This diode is an ideal solution for automotive applications such as car entertainment systems, navigation systems, radios, infotainment systems, and other devices that require a high level of surge protection. The SMM4F12AVCL is also suitable for industrial and telecom applications that need to be protected from power surges.

Working Principle

The SMM4F12AVCL is a multi-layer silicon diode with built-in ESD or surge protection. It has a low clamping voltage of 12V, a maximum stand-off voltage of 10V, and a peak pulse current of 25A. The diode is bi-directional, meaning that it works in both directions. When a voltage surge or ESD hits the device, the diode clamps the excess voltage above a certain level (called the breakdown voltage) to protect the device. The SMM4F12AVCL is an industry-standard device and is designed to comply with UL497, IEC 61000-4-5, and other similar standards.

Conclusion

The SMM4F12AVCL is a multi-layer, bi-directional TVS diode from STMicroelectronics that is designed for automotive, industrial, and telecom applications. It is designed to protect sensitive electronics from voltage surges and ESD transients. This diode has a low clamping voltage of 12V and a maximum stand-off voltage of 10V. It is an industry-standard device and is designed to comply with UL497 and IEC 61000-4-5 standards.

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