BZW04-15BHB0G

TVS – Diodes: BZW04-15BHB0G Application Field and Working Principle

Transient Voltage Suppressor (TVS) diodes are widely used for protection of components and systems from over-voltage or surges. Specifically, BZW04-15BHB0G is an unidirectional device with low capacitance and high speed, which has become increasingly popular in many industries. This article will cover its technical specification, application field and working principle in detail.

Technical Specification

BZW04-15BHB0G is a thyristor-based transient voltage suppressor (TVS) diode with a Through-Hole (TH) type, an Ultra-Fast response time, Max Peak Pulse Current of 2.75A, and Standoff Voltage of 15V. Its Reverse Standoff Voltage is 13.5V and Leakage Current is 10uA. The lead temperature soldering maximum is 260°C, making it suitable for most general-purpose and industrial use. Furthermore, its Power Dissipation of 350mW makes it ideal for high-speed switching applications, and its thermal resistance is 200°C/W.

Application Field

BZW04-15BHB0G is easy to be integrated in any application due to its simple and compact design. It is mainly used for protecting against transient voltage spikes in power supplies, magnetic components, automotive electronics, electrostatic discharge protection, consumer electronics, and portable communication devices. Additionally, it is suitable for use in industrial, medical, military and aerospace settings.

Working Principle

The working principle of BZW04-15BHB0G can be seen by looking at its circuit. It is the combination of two thyristors SCa and SCb in series, that form a two-quadrant operation stage. Once incoming voltage exceeds the breakdown voltage, they will switch from a normally closed circuit to an open circuit, stopping any further current flow between the gate and source.

When the voltage level goes below the breakdown voltage, the thyristors will switch back to their normal state, allowing the current to flow through it once again. This will provide protection from any sudden voltage spikes or surges that may occur in the circuit. Furthermore, due to its fast operating time, it can be used for any application that requires a quick and reliable source of protection.

Conclusion

The BZW04-15BHB0G is the ideal solution for any application that requires protection from transient voltage spikes or surges. It is designed for high-speed switching applications due to its fast response time and power dissipation rating, and its ultra-low capacitance design makes it a suitable choice for high-frequency applications. Furthermore, its small package and simple architecture make it easy to be integrated in any system.

This article has covered the technical specification, application field, and working principle of BZW04-15BHB0G, one of the most popular transient voltage suppressor (TVS) diodes in the market. With its fast response time, reliable protection, and simple architecture, it is no wonder why so many industries have found a use for it.