ATV15C161JB-HF Circuit Protection

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ATV15C161JB-HF is a unidirectional transient voltage suppressor diode specifically designed for the protection of sensitive equipment from power supply transients, such as electrostatic discharge (ESD) or inductive load switch-offs. It is housed in a small size SOD57 package, making it suitable for use in space-constrained applications. The diode provides very low clamping voltage, fast response time, low leakage current, and very good performance in harsh environments.

Application Field

The ATV15C161JB-HF is a suitable choice for protecting sensitive electronics from over-voltage transients such as ESD, inductive load switch-off, and cable clamping in applications such as consumer electronics, automotive, medical, IT and telecommunication equipment. It can be used in automotive, industrial, and telecommunication systems as well as any other electronic equipment requiring transient voltage protection in a small size package.

Working Principle

The ATV15C161JB-HF unidirectional transient voltage suppressor diode works by clamping or limiting the voltage surge to a predetermined safe level. During normal operation, the diode is reverse biased and non-conducting. When a transient event occurs, the diode turns on and begins to conduct the surge current. This current will reduce the transient voltage to a safe level. The diode is capable of Supressing surges up to 420W peak pulse power, and has a response time of less than 25ns.

The ATV15C161JB-HF is designed with thermal protection, which prevents it from overheating and going into thermal runaway. In the event of a transient surge, the diode will rapidly conduct the surge current, dissipating the energy in the form of heat. The thermal protection feature limits the power dissipation to prevent the diode from becoming too hot. This feature makes the ATV15C161JB-HF a reliable and safe choice for protecting sensitive electronics from over-voltage transients.

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