BZW04-376HR1G

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TVS - Diodes

TVS - diodes, also known as transient voltage suppression diodes, are solid state semiconductor structures that are used to protect against electrical transients. These electrical transients can range from static discharges to high voltage transients caused by lightning. TVS diodes are available in a variety of form factors, including unidirectional and bi-directional devices.

The BZW04-376HR1G is a unidirectional 5.5V / 4700W transient voltage suppressor diode. It is designed for protection of sensitive digital and analog circuits from high voltage transients. It is most commonly used in computer and telecommunication equipment, automotive electronics, consumer electronics, as well as power conversion systems.

Working Principle of BZW04-376HR1G

The BZW04-376HR1G is typically used in the circuit as a surge protection component. When a high voltage transient exceeds the breakdown voltage of the diode, it creates a current path that keeps the voltage at a safe level.

As the transient voltage is applied to the diode, it allows a current flow, causing the diode to conduct and drawing current away from the protected device. This current flow creates a voltage drop across the diode, which keeps the signal of the protected device stable.

Once the transient voltage drops below the diode\'s breakdown voltage, the diode no longer conducts and the current flow stops. When the current flow stops, the protected device returns to its original state.

Limitations of BZW04-376HR1G

The BZW04-376HR1G has several limitations. One of the main limitations of this type of diode is its inability to prevent all transients. This diode is designed to handle a specific range of voltages and in cases of extremely high voltage transients, the device may be damaged.

Another limitation of this type of diode is that it has a limited power rating. If the transient current is too great, it can cause the diode to be destroyed.

Conclusion

The BZW04-376HR1G is an effective transient voltage suppressor diode. It is designed for protection of sensitive digital and analog circuits from high voltage transients, and is most commonly used in computer and telecommunication equipment, automotive electronics, consumer electronics, as well as power conversion systems. The diode operates by conducting a current path when a voltage transient exceeds its breakdown voltage. Although the BZW04-376HR1G is an effective device, it has some limitations such as its inability to prevent all transients and its limited power rating.

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