P4KE8.2-B Circuit Protection

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TVS or Transient Voltage Suppressor diodes were first developed in early 1960s to protect electrical devices, systems and circuits from over voltage transients. They are quickly becoming a vital component of any good electrical design. In this article, we discuss the application field and working principle of the P4KE8.2-B TVS diode.

The P4KE8.2-B TVS diode is an SAP Diode, meaning its cathode is connected internally to a zener diode. It is designed to clamp voltage transients to a safe level and provide protection for vulnerable components such as microprocessors, integrated circuits, logic ICs and more. This diode has an operating voltage of 8.2 volts and peak pulse current of 56A.

When an over-voltage transient occurs, the TVS diode conducts current in the opposite direction of the voltage spike. This current then passes through the device and is dissipated into the atmosphere as heat. The voltage of the transient is therefore reduced to a safe level and the components being protected are not damaged by the over-voltage.

The P4KE8.2-B has a non-linear discharge characteristic which allows it to quickly and effectively absorb any excess voltage it may see. It is designed to provide reliable protection up to 1ns, which provides protection in even the most demanding situations. The P4KE8.2-B is also able to absorb very large peak currents, making it suitable for applications with high-current pulses. In addition, it operates with an extremely low on-state voltage drop, which is beneficial when power efficiency is important.

The P4KE8.2-B is best suited for use in a variety of electronic products including routers, servers, telecommunication equipment, computers, television sets, electronic automotive components, consumer electronics, lighting, air conditioners, medical equipment, home appliances and more. It can be used in any application where over-voltage transients may cause damage to sensitive components.

The P4KE8.2-B is an excellent choice for many TVS applications. Its low on-state voltage drop and high peak pulse current make it well-suited for a variety of applications. Furthermore, it provides reliable protection up to 1ns, ensuring that any sensitive components are not damaged by transient over-voltages.

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