AZ23C3V9-TP

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Diodes - Zener - Arrays

The AZ23C3V9-TP is a dual bidirectional zener diode array with two series-connected zener diodes in a narrow SOT-363 (SC-88A package). This diode range contains two diode types, AZ23C3V3-TP and AZ23C3V6-TP, which have reverse breakdown voltages of 3.3V and 6.6V respectively. This device is commonly used for overvoltage or transient voltage protection, voltage regulation, and for adding level shifters to circuits.

Application Fields

The AZ23C3V9-TP has a wide range of applications. It is commonly used in mobile devices and computing equipment, where overvoltage or transient voltage protection is required. Additionally, it can be used in a variety of analog, digital and communication circuits. The device also acts as a voltage regulator, providing a constant voltage through a simple series connection. It is also useful in level shifters, being able to efficiently reduce the amplitude of AC signals.

Working Principle

The AZ23C3V9-TP is a dual bidirectional zener diode array, containing two series-connected zener diodes in a SOT-363 package. The array is configured to provide two distinct breakdown voltages, determined by their type: 3.3V for the AZ23C3V3-TP type and 6.6V for the AZ23C3V6-TP type. The two diodes can operate in either a single or a double breakdown configuration, with the latter providing enhanced voltage protection.

When the AZ23C3V9-TP is connected in series with another device, it will act as a voltage regulator. As the voltage applied to it increases, the voltage drop across the diodes will increase until it reaches the breakdown voltage of the diodes. The diodes will then conduct and maintain a constant voltage drop between them, resulting in a steady output voltage. This can prevent excessive current transfer and protect the device from overvoltage or transient voltage.

The AZ23C3V9-TP can also be used as a level shifter. As the diode array has two distinct breakdown voltages, one of the diodes will turn on while the other one remains off. This will allow the device to reduce the amplitude of an AC signal, by providing an electrical impedance that can reduce the current flowing through it. The level shifting capability of the AZ23C3V9-TP can be used in a variety of digital and analog applications.

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