AZ23C20-HE3-18

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The AZ23C20-HE3-18 is a type of zener diode array. A zener diode array can be used for voltage regulation and for cutting off current at specified voltages. This particular diode array is made up of five diodes which are connected in parallel. It is a monolithic device with a built-in bias resistor in the package.

Application Field

The application field of the AZ23C20-HE3-18 is mainly used in voltage regulation. It is usually applied in circuits that require very precise and constant operating voltages since it is able to provide an accurate and continuous output voltage when the input voltage varies. This type of diode array is also commonly used in applications where voltage exchanges take place more quickly which require more than one device to protect a single IC from high voltage spikes, because it is able to limit the voltage of a circuit with low power loss. Other applications include over-voltage protection and voltage clamping for both AC and DC systems.

Working Principle

The working principle of a zener diode array is similar to that of a regular zener diode. The AZ23C20-HE3-18 consists of 5 diodes connected in parallel with a built-in bias resistor. When the input voltage is applied across the device, a reverse current flows into the circuit through the diodes. This current is then divided among the five diodes, allowing the voltage at each diode to reach the zener breakdown voltage. When the voltage at the diode reaches the zener breakdown voltage, the diode will break down and allow current to flow through it. This current will limit the voltage across the device to the zener breakdown voltage, which is about 4.7V. This allows the device to provide accurate and constant output voltage even when the input voltage varies.

Conclusion

The AZ23C20-HE3-18 is an example of a type of zener diode array, which is designed for voltage regulation. It is made up of five diodes connected in parallel with a built-in bias resistor. This diode array is used to provide an accurate and constant output voltage when the input voltage varies. It is also used for protection against voltage spikes, over-voltage protection, and voltage clamping. The working principle of the device is that when the input voltage is applied, the diodes allow current to flow through them, thus limiting the voltage across the device to the zener breakdown voltage.

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