5KP16-B

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TVS - Diodes: 5KP16-B Application Field and Working Principle

Transient voltage suppressors (TVS) are used in a variety of applications, from defending against hazardous electrical surges to helping to regulate and maintain dc voltages. Among the many different types of TVS are zener diodes, avalanche diodes, and special purpose devices such as 5KP16-B, a high-reliability surface-mount technology device. In this article we look at the application field and working principle of 5KP16-B.

Application Field

The 5KP16-B is designed for applications where robust transient voltage protection is needed, such as automotive electronics, computers, server boards, and networking equipment. Its superior thermal performance, low leakage, low clamping voltage, and fast response time make it suitable for many high reliability applications.

The 5KP16-B can be used as a printed circuit board (PCB) mounted component or as a surface mount device (SMD). Because of its small size, it can fit in places where a larger SMD component might not be a viable option. It is also designed to meet or exceed automotive grade requirements.

Working Principle

The 5KP16-B is an avalanche iron diode array that works on the principle of avalanching. It is designed to protect against negative or positive transient surges up to 250V. When a surge or high-voltage event occurs, the diode array starts to avalanche and clamps the voltage, offering protection to downstream components. This helps to prevent circuit damage caused by electrostatic discharge (ESD) and other electro-mechanical disturbances.

The 5KP16-B has a reverse operating voltage of 5V max. It also has a maximum AVR (Average Voltage Rating) of 10V max and a peak pulse power rating of 3kW (2/10µs pulse). The device has a low capacitance (7pF) and a fast response time (less than 5ns). This helps to ensure that it can quickly and effectively protect against high voltage transients.

When the 5KP16-B is connected in series to the power supply line it can protect against both negative and positive over-voltage transients. This is important in applications where safety needs to be ensured and any over-voltage events need to be quickly contained. The device also helps to improve the robustness of a circuit and ensure that any voltage fluctuations are quickly and effectively contained.

Conclusion

The 5KP16-B transient voltage suppressor diode is a high-reliability device designed for use in a variety of applications, from automotive electronics to computers and networking equipment. Its superior thermal performance, low leakage, and fast response time make it an ideal choice for applications where robust transient protection is needed. Its low capacitance and reverse operating voltage of 5V max help ensure that it can quickly and effectively protect against over-voltage transients.

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