BZT52B22-HE3-08

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Diodes are devices that help regulate the flow of electricity when current runs through a device or a circuit. Zener diodes are specifically designed to work in reverse bias. They have a very low breakdown voltage as compared to other devices. One such device is the BZT52B22-HE3-08 Zener diode. It is designed to provide precise levels of voltage to regulate and protect circuits and is commonly used for audio and automotive industries.

The BZT52B22-HE3-08 is a single zener diode that has packaging in the form of DO-41 (glass passivated). It is 3.6V nominal zener voltage, with a power dissipation of 500mW. The diode also has a maximum reverse voltage of 6.8V with a maximum reverse current of 5mA. Its breakdown voltage is guaranteed over a temperature range of -55°C to 150°C, making it suitable for a wide range of applications.

Its application fields include AC/DC power supplies, surge protection, AC voltage regulation, DC voltage regulation and audio applications. It is often used in audio applications such as amplifiers, where it can act as a voltage regulator to provide precise voltage levels to protect audio components from over-voltage and from unwanted current fluctuations. In automotive applications, it can be used to provide precise voltage levels for regulating or protecting circuits as a replacement for a resistor.

The working principle of BZT52B22-HE3-08 is based on the fact that when a voltage higher than the zener voltage is applied to it, it will trigger the breakdown of the junction and turn on the zener conducting current in the reverse direction. This conducts in the reverse direction until the voltage becomes lower than the zener voltage and the junction returns to its original state. This helps to regulate and protect the circuit from fluctuations in current.

In conclusion, the BZT52B22-HE3-08 is a single zener diode that is used in a range of applications including AC/DC power supplies, surge protection, AC and DC voltage regulation, audio applications and automotive applications. Its working principle is based on the breakdown of the diode’s junction when the applied voltage becomes higher than the zener voltage and is re-establishing when the voltage goes lower than the zener voltage.

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