CDLL972B

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CDLL972B is one of the most widely-used Zeners on the market. It provides superior performance and excellent protection against reverse bias and increases reverse breakdown voltage by more than 40%. The Zener is designed to ensure low power operation and offers a wide temperature range up to +125°C. The unidirectional device presents low forward voltage drop, making it suitable for use in power supply applications. With a tolerance of +/- 0.5%, it is used for many applications, from lighting and AC/DC voltage rectification to wireless communications systems.

Application Field

CDLL972B is used in both linear and switching applications. It is used in linear applications such as voltage regulators, voltage protection circuits, lighting, and DC/AC voltage rectification applications. It can also be used for switching applications such as overvoltage protection and load regulation to prevent overvoltage damage, overload of motors, and reverse polarity conditions.

Working Principle

A Zener diode operates by allowing a current to flow in a reverse bias direction when it encounters a voltage greater than the Zener voltage that it is designed for. This voltage is called the Zener voltage and it is determined by the doping level of the material used in the Zener diode. In the reverse-biased condition, the Zener diode exhibits a decrease in its junction resistance. This decrease in junction resistance allows a increased amount of current to flow in the reverse direction, from the anode towards the cathode. This increased amount of reverse current then appears as a voltage drop across the junction. This voltage drop is referred to as the Zener voltage and is determined by the Zener diode\'s design. Once the Zener voltage is reached, the Zener diode will conduct current in the reverse direction even though the Zener voltage is still present.

Features and Benefits

CDLL972B provides superior performance and excellent protection against reverse bias and increases reverse breakdown voltage by more than 40%. It features a tolerance of +/- 0.5% and a wide temperature range up to +125°C. Its low forward voltage drop makes it suitable for use in power supply applications. It offers a consistent breakdown voltage and low power operation.

Conclusion

CDLL972B is one of the most widely used Zeners on the market, providing superior performance and excellent protection against reverse bias. It is ideal for use in linear and switching applications, such as voltage regulation, overvoltage protection, and more. It is designed to ensure low power operation and offers a consistent breakdown voltage, a wide temperature range, high tolerance, and low forward voltage drop. This makes it perfect for use in power supply applications.

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