BZW04-273BHA0G

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TVS - Diodes provide protection solutions for circuit boards and electrical systems in many different industries. The BZW04-273BHA0G is a Transient Voltage Suppressor (TVS) Diode that provides protection from high voltage transients. This article will look at the application field and working principle of the BZW04-273BHA0G.

Application Field

The BZW04-273BHA0G is a fast response, low capacitance unidirectional and bidirectional Transient Voltage Suppressor (TVS) Diode. It is intended to protect high-speed digital or analog circuitry from large voltage transients that are caused by electrostatic discharge (ESD), inductive spiking, and other sources. The device can be used in a wide range of markets and applications including Industrial, Automotive, Medical, and Industrial Electronics.

The BZW04-273BHA0G is ideal for protecting portable devices such as cell phones, tablets, and laptops. It can also be used in automotive applications, such as infotainment systems and electrical components. The device is compliant with IEC61000-4-2, Level 4 ESD requirements, and is UL94V-2 rated for flame retardancy. This makes it a suitable choice for a variety of consumer and industrial electronics.

Working Principle

A TVS diode provides protection from large voltage transients by clamping the voltage to a safe level. It works by providing a low impedance path between the protected circuit and the power source, so that any voltage that is greater than the breakdown voltage of the diode will be diverted away from the circuit. This prevents voltage from damaging the sensitive components in an electronic device.

The BZW04-273BHA0G contains two back-to-back Zener diodes connected in parallel. When a voltage transient occurs, the two diodes become forward-biased and carry current until the voltage transient is over. This limits the amount of current that can enter the protected circuit and prevents damage from occurring. The device also contains a reverse blocking capacitor which ensures that the current flows in one direction only, and prevents reverse biasing that could damage the circuit.

The BZW04-273BHA0G is fast acting, with a response time of less than one nanosecond. It also has a low capacitance, making it suitable for high-speed digital applications. The TVS diode is also designed to withstand high surge currents, making it ideal for use in automotive and industrial applications where large voltage transients are common.

Conclusion

The BZW04-273BHA0G is a fast response, low capacitance Transient Voltage Suppressor (TVS) Diode. It provides protection from large voltage transients caused by electrostatic discharge (ESD), inductive spiking, and other sources. The device is suitable for a wide range of markets and applications including Industrial, Automotive, Medical, and Industrial Electronics. The diode provides fast response time and can withstand high surge currents, making it an ideal choice for a variety of consumer and industrial electronics.

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