BZW04-58BHE3/54

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Transient Voltage Suppressor (TVS) diodes are electronic components that are used to protect electrical circuits from damage caused by over-voltage transients. They work by providing a resistive path to ground when the voltage on the circuit exceeds a certain threshold. The threshold is typically in the range of 6 to 18 volts. TVS diodes are available in a variety of configurations, from through-hole components to surface mount devices. One of the most popular TVS diodes is the BZW04-58BHE3/54.

The BZW04-58BHE3/54 is a surface mount bidirectional TVS diode, which means it can provide protection to an AC circuit. It is designed to protect sensitive electronics from transients of up to 54 volts. The diode has an operating temperature range of -55 to 85 Celsius, and a reverse avalanche breakdown voltage of 43 volts. This diode is generally used for ESD, EMI, and over-voltage protection in automotive, computer, and consumer electronics applications.

The basic working principle of the BZW04-58BHE3/54 is relatively simple. When the voltage across the component exceeds the breakdown voltage, the excess current is diverted to ground, limiting the peak voltage on the circuit. This prevents any permanent damage to the protected circuit, as well as reduces any damaging electrical noise. As there is a surge current, a parallel ceramic capacitor is recommended to minimize any voltage transients.

The BZW04-58BHE3/54 is a versatile TVS diode that can be used in a variety of applications. It is particularly suitable for automotive, computer, and consumer electronics, as it has a wide operating temperature range and a high breakdown voltage. Despite its small size, this diode provides effective protection against over-voltage transients. It is also generally more reliable and robust than other types of TVS diodes.

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