AZ23B22-HE3-08

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The AZ23B22-HE3-08 diodes are part of the Zener diode family and are specifically classified as Zener diode arrays. A Zener diode is a two-terminal electronic component that behaves mostly like a normal diode, with the added benefit of a reversed breakdown voltage. Normal diodes are intended to carry current in one direction, while Zener diodes are designed to carry current in both directions while also permitting a reverse-biased voltage to be applied to one side of the diode and essentially “shorted” out.

Application Field

The purpose of Zener diode arrays is to provide overvoltage protection, voltage regulation, and voltage limiting solutions in a variety of applications. They are most commonly used in devices like computers and cell phones, in order to prevent damage from voltage spikes due to lightning or other accidental events. In consumer electronics, Zener diodes are often used to provide back-up power should primary power sources experience an interruption. Zener diode arrays can also be used to provide EMI (electromagnetic interference) protection for circuit components, as well as surge protection for data lines.

Working Principle

When a reverse bias voltage is applied to a Zener diode, electrons from the anode side of the diode are attracted to the cathode side and are accelerated by the electric field. This results in a sudden depletion of carriers in the base region of the diode. This causes further electrons to be ejected from the depletion region, creating a positive feedback loop and increasing the current through the diode until the voltage reaches the breakdown voltage. This is when the diode starts to conduct current in both directions.When a Zener diode array is used, the Zener diodes are connected in parallel with one another. This increases the amount of current that can be passed through the diodes and provides increased protection to the circuit. By connecting several Zener diodes in series, each one can be used to protect against a different voltage spike. This allows the circuit to remain safe while still providing the desired amount of protection.The AZ23B22-HE3-08 diodes have a breakdown voltage of 3.2V and a maximum power rating of 500 mW. They are designed for use in circuits up to 10V and have a temperature range of -55°C to +175°C. The AZ23B22-HE3-08 Zener Diode Array is ideal for a variety of applications where overvoltage protection is required.

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