BZW04-10-E3/73

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TVS - Diodes are a type of semiconductor device which combines the electrical characteristics of both diodes and transistors to be used in a variety of applications. The BZW04-10-E3/73 TVS diode is specifically designed to protect high-speed circuitry against electrostatic discharge (ESD). It is a bi-directional device that redirects available ESD energy away from sensitive components, resulting in reduced signal distortion and increased protection.

Application Field

The BZW04-10-E3/73 TVS diode is most commonly used to protect high-speed data lines, such as in parallel ports, accelerometer sensing, external memory devices, universal serial bus (USB) and coaxial cables. It can also be used in many other applications that require higher levels of protection.

Working Principle

The BZW04-10-E3/73 TVS diode works by clamping voltages that exceed its Breakdown Voltage (BV). The diode is designed to limit transient voltages to a safe level, and then quickly dissipate the energy as heat. When the transient voltage exceeds the BV, the diode is triggered, creating a path for the current and safely dissipating the transient energy. The diode has a low peak reverse stand-off voltage and is capable of withstanding high power levels, making it a reliable and durable solution for protecting high-speed data lines.

The device is built with three distinct parts that work together to suppress ESD. The Schottky diode acts as the main pathway for current and is designed to withstand high power levels. The zener diode acts as a voltage regulator by limiting transient voltage levels to a safe level. Lastly, the NPN transistor component acts as a current amplifier and is responsible for providing the fast switching speed needed to help prevent any signal distortion.

The BZW04-10-E3/73 TVS diode is a reliable and durable device that can be used in a variety of applications. Its combination of diodes and transistors makes it well suited for protecting high-speed circuitry against ESD. The diode is able to limit transient voltages to a safe level and quickly dissipate the energy as heat, ensuring optimal levels of protection for sensitive components.

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