P4KE8.2C-B Circuit Protection

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TVS (transient voltage suppressor) diodes are an important type of device for protecting circuits from voltage transients. TVS diodes, also called surge-protection diodes, are widely used to protect all kinds of electronic circuits from the occasional voltage transient caused by electrostatic discharge (ESD), lightning, inductive switches, and other sources. The P4KE8.2C-B is a TVS diode designed to provide excellent transient voltage protection and long working life in a compact package.

The P4KE8.2C-B is a bi-directional, unidirectional TVS diode designed for use in high-frequency applications. It has a low noise level and high ESD clamping voltage, making it suitable for a wide range of applications, from DC power supplies and consumer electronics to automotive systems and industrial machinery. The non-linear junction capacitance of the P4KE8.2C-B is very low, ensuring that it does not degrade the performance of high-frequency systems.

The key feature of the P4KE8.2C-B is its dual-guard construction, which ensures a consistent protection level for both ground and hot lines. The device has a rugged construction and is able to withstand temperatures up to 150°C, ensuring reliable performance in extreme conditions. The P4KE8.2C-B is available in an RoHS-compliant package, making it easy to incorporate into environmentally-friendly designs.

The P4KE8.2C-B contains a pair of back-to-back Zener and avalanche diodes, along with a protective metal oxide film. The Zener diode acts as a voltage regulator, allowing the P4KE8.2C-B to clamp the input voltage at a specified level in the event of a transient. At the same time, the avalanche diode will trigger and conduct current during more extreme overloads, dissipating the energy and protecting the circuit. By combining these two components, the P4KE8.2C-B is able to provide excellent protection from voltage transients.

The P4KE8.2C-B is ideal for applications where reliable overvoltage protection is required. Its low capacitance ensures that it does not interfere with high-frequency signals, and its small size and low cost make it suitable for use in a range of applications. The P4KE8.2C-B is an ideal choice for applications that require excellent protection against voltage transients, from consumer electronics to automotive and industrial systems.

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