BZW04-28BHE3/73

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TVS diodes, sometimes called protection diodes, are designed to protect sensitive electronic systems from electrical transients or high voltage surges caused by electrostatic discharge (ESD), lightning and more. The BZW04-28BHE3/73 is a commonly used form of TVS diode typically used in computers, telecommunications, medical electronics and consumer electronics. This article will discuss the application field and working principle of the BZW04-28BHE3/73.

The BZW04-28BHE3/73 is designed to limit any overvoltage that may enter a system and cause damage. It is similar to standard rectifier diodes, except that they are designed with a much higher surge current capability and overvoltage or transient voltage protection. This makes TVS diodes ideal for use in electronic device protection and other applications where transient protection is required.

The BZW04-28BHE3/73 is commonly found in a variety of applications around the world. It is commonly used in personal computers and laptops, including components such as the power supply and the PCB assembly. It is also often used in digital circuitry, cell phones, audio amplifiers, TV tuners, telecommunication systems, automotive circuits, and control systems.

The BZW04-28BHE3/73 is designed to protect against electrical transients caused by ESD, lightning, motors, capacitor discharge, and other powerful sources. It is made up of two junctions connected in parallel with a common drain that forms a voltage clamp between them. The design of the BZW04-28BHE3/73 allows it to limit high-energy overvoltage from entering a system, and prevents components from being damaged by these high voltages.

The working principle of the BZW04-28BHE3/73 is relatively simple. When a high voltage surge enters an electronic system, the two junctions inside the BZW04-28BHE3/73 will become forward biased, and the voltage across the junctions will be clamped to a predetermined level. This prevents the surge from damaging any of the components in the system, and the voltage is kept within the operating range for safe operation. Once the voltage surge is dissipated, the two junctions will go back to their original unbiased state.

In summary, the BZW04-28BHE3/73 is a commonly used type of TVS diode designed for protection against overvoltage transients. It has a variety of applications in electronics, such as personal computers and laptops, digital circuitry, audio amplifiers, telecommunication systems, and automotive circuits. It works by limiting high-energy overvoltage from entering a system and prevents any of the components from being damaged by these high voltages.

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