BZX85B27-TAP

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Diodes are an important component in many circuits, and Zener diodes are no exception. The BZX85B27-TAP is a single Zener diode specifically designed for applications where high power is required. This article will explain the application fields and working principles of the BZX85B27-TAP.

Application Field

The BZX85B27-TAP is a high-power, low-voltage Zener diode. It is primarily used in applications where a device requires robust protection against overvoltage transients. The diode is primarily used in power supplies, motor control systems, power supply safeguards, and high-frequency inverters. It is an ideal choice for applications that require voltage stabilization and protection against sudden changes in voltage.

Features

The BZX85B27-TAP is a single Zener diode with a power dissipation of 250mW. It has a forward voltage drop of 1.1V and reverse voltage of 27V. The maximum reverse current is 600mA and the maximum surge current is 1.2A. It can operate in a temperature range of -55°C to +125°C. The diode has a low thermal resistance, making it suitable for a wide range of operating temperatures.

Working Principle

A Zener diode operates in reverse bias, meaning that the voltage applied to the diode is higher than the breakdown voltage of the diode. When the voltage of the diode reaches the breakdown voltage, it begins to conduct. The current in the circuit is then limited by the resistance of the circuit. When the applied voltage is less than the breakdown voltage, the diode will not conduct. The voltage across the diode will remain at the breakdown voltage.

The BZX85B27-TAP is designed to provide high-power protection against overvoltage transients. The diode has a maximum reverse voltage of 27V, which prevents the circuit from overstressing. The high power dissipation of 250mW ensures that the diode can handle high voltages over short periods of time. The low thermal resistance ensures that the diode can operate in high temperatures as well.

Conclusion

The BZX85B27-TAP is a high-power Zener diode designed for applications where robust protection against overvoltage transients is a must. It has a maximum reverse voltage of 27V and a power dissipation of 250mW. It is ideal for use in power supplies, motor control systems, power supply safeguards, and high-frequency inverters. The diode has a low thermal resistance, making it suitable for a wide range of operating temperatures.

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