SA15HE3/54

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TVS diodes are an important part of power designs, and the SA15HE3/54 is no exception. Developed by STMicroelectronics, this device is designed for both overvoltage and ESD protection. It is an ideal component for providing reliable protection from ESD, surges, and similar occurrences in power supplies, base stations, remote access terminals, telecom and datacom equipment, and other types of electrical networking and communication equipment.

The SA15HE3/54 is a three-terminal integrated circuit packaged in a ceramic DO-213AB package. It consists of a zener diode, an avalanche diode, and a reverse-biased p-n junction diode connected in series. The SA15HE3/54 is designed to protect data lines from high-energy transients, and is both UL and RoHS approved.

The SA15HE3/54 has a wide operating voltage range between 13 V and 20 V, and its clamping voltage ranges from 18 V to 26 V. It has a breakdown current of 18 A, and its working power dissipation is 75 mW. It has thermal shutdown protection built in to ensure safe operation in case of thermal overload.

The working principle of the SA15HE3/54 is simple yet effective. When a high-energy transient occurs, it is absorbed by the zener diode and routed to the avalanche diode, which dissipates the energy. The reverse-biased p-n junction diode then absorbs the remaining energy, protecting the data lines from damage.

This device is widely used in a variety of applications, including computer systems, automotive electronics, consumer electronics, telecommunications, and even industrial controls. It is often used in power supplies, base stations, remote access terminals, telecom and datacom equipment, and other types of electrical networking and communication equipment.

The SA15HE3/54 is a cost-effective, reliable, and secure protection solution for critical components in a variety of applications. Its range of protective features makes it an ideal choice for devices that need reliable protection from ESD, surges, and other occurrences in electrical networking and communication equipment.

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