BZW04-299BRL

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TVS or Transient Voltage Suppressors are devices are designed to protect sensitive electronics by clamping energy in order to keep from being damaged by transient surges and overvoltages. BZW04-299BRL is one variant of these TVS diodes. This article provides an overview of the application field and working principle of BZW04-299BRL.

Application Fields

BZW04-299BRLis a well-built, high quality Bi-directional TVS diode primarily used to prevent electrostatic discharges (ESD) and transients. This device is meant to protect most types of digital equipment like computers and home appliances, as well as other devices such as entertainment devices. This device is an efficient surge protector due to its low capacitance between terminals and its high peak pulse power. It has been used to protect I/O ports in micro-processor pick-up and transport machinery, DC power supplies, and home appliances.

Working Principle

BZW04-299BRL is composed of a two parallel oppositely-facing multiple-zone avalanche diodes connected by a common cathode region, providing excellent clamping capacitance for each terminal. When an impulse voltage is applied to the anode, the internal structure creates multiple avalanche breakdowns and causes an internal current. The sudden large current causes a clamping voltage at the anode of the TVS diode. When a surge occurs, the current will be limited thereby minimizing the surge energy. This device dissipates the surge energy and prevents transient voltages. These diodes can detect and will respond to positive and negative transient voltage quickly due to its bidirectional design.

In conclusion, BZW04-299BRL is a versatile TVS diode specifically designed to protect digital equipment and home appliances from electrical transients. Thanks to its superior quality, it is a cost-effective option for protecting devices during high-frequency applications. Additionally, it offers a low capacitance between terminals that allows for high peak pulse power. As a result, BZW04-299BRL is an ideal choice for a transient voltage suppressor device.

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