BZW50-15B Circuit Protection

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The BZW50-15B is a kind of Transient Voltage Suppressor Diode (TVS) device which is widely utilized in consumer devices, automobiles, telecom and computers. It is a low-cost, stable and effective device to protect system equipment from damage due to overvoltage/overcurrent transients. It has a short response time, high stability, and excellent latch-up immunity.

The BZW50-15B utilizes a combination of zener diode and back-to-back avalanche diode which is able to provide protection from overvoltage transients such as EFT and ESD. It has an operating temperature range from -55°C to +125°C and the maximum peak pulse current of 400 A. It also has a small, low-profile surface-mount SOD package, making it easy to mount and relatively space-efficient.

The most common applications for the BZW50-15B are the consumer electronics, automotive, telecom and PC industries. In these industries, it provides an effective protection against damage due to surge voltages, such as those caused by ESD and EFT strikes. It can be used in a variety of different situations, such as protecting a motherboard from overvoltage transients during a system boot-up or providing a circuit protection for an automotive engine control unit.

The working principle of the BZW50-15B is that it is capable of blocking voltages up to 1500V. When an overvoltage transient occurs, the zener diode starts conducting, while the back-to-back avalanche diode will be activated and provide additional protection from overvoltages. The diode is also able to limit inrush currents during start-up which can be helpful in preventing equipment damage.

The BZW50-15B is a reliable and effective device that provides an excellent protection against overvoltage transients in a wide range of applications. It is also inexpensive and space-efficient, making it ideal for a variety of consumer and commercial applications.

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