BZW04P20BHE3/54

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TVS - Diodes, BZW04P20BHE3/54 is a high-performance Transient Voltage Suppression (TVS) diode produced by Littelfuse. It is designed for applications requiring protection from surge-related power disturbances such as lightning. It offers excellent protection against transients and ESD (electrostatic discharge), at a very small physical size.

Application Field: BZW04P20BHE3/54 TVS-diodes can be typically used in Automotive, Industrial, Consumer and Communication/Datacom applications, such as automotive body electronics, charging adapters, RF modules, and communications devices. Its class of diode is also used across electric components and components in industrial settings, where fast switching of voltages in excess of 5V can be handled.

Working Principle: BZW04P20BHE3/54 TVS-diodes work on the principle of avalanche breakdown. This process happens when enough electric field force is applied to a reverse biased diode, leading to conduction in the low impedance state. This is known as the avalanche effect, which is used in these protection circuits. It allows the diode to clamp the transient voltage to a safe level. The device can also clamp a surge with higher clamping voltage capability. The device\'s low capacitance of 15pF, in addition to the low, load current, makes it ideal for high frequency surge protection applications.

The device also provides excellent over-temperature protection due to its soft-start feature. It has a high Junction Capacitance of 0.2pF, offering a high level of protection for high speed signal edges. It can protect up to 2J of energy within its maximum power dissipation ratings.

The BZW04P20BHE3/54 is a state-of-the-art device that offers excellent surge protection for automotive, industrial, consumer and communication/Datacom applications. It is small enough to fit on a circuit card and can provide high-speed protection against transient over-voltage associated with lightning or industrial equipment spike. With its combination of fast response time, low leakage current, and soft-start capability, the device can handle lightning strikes without any damage to the circuit.

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