CDLL976B

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Diodes, generally speaking, refer to a two-terminal electronic device, which is made up of two PN-junctions. The most common diodes are PN junction diode, Schottky diode, Zener diode, tunnel diode and Varactor diode. Diodes are mostly used as rectifiers, voltage regulator, and for signal mixing, etc.

Zener diode is a kind of diode which is specially used as voltage regulator. Its working principle is based on the reverse breakdown voltage. When the applied voltage is higher than the breakdown voltage, the current flowing through the Zener diode increases suddenly, and a large amount of the divergent current will be forced through the diode, which results in a constant voltage across the diode.

CDLL976B is a single Zener diode produced by Diodes Incorporated. The breakdown voltage of this diode is 9.76V with a test current as low as 5mA. It features a low temperature coefficient, a very good reverse leakage current, and a wide operating junction temperature, -65°C~175°C, making it be suitable for use in a variety of industrial, consumer and automotive applications. For details, please refer to the datasheet.

For the application field, CDLL976B can be found in automotive electronic control circuit of engine, power-entry protection, air-conditioner polarity protection, voltage clamp-down circuit, power management and protection applications, etc.

The working principle of CDLL976B is very simple. It is made up of two PN junction, which can block and pass the current in one direction and the reverse direction, according to the applied voltage. When the applied voltage is higher than the breakdown voltage, the Zener diode will break down the excess voltage and pass it to the load, thus keeping the voltage between two terminals in the same value.

CDLL976B is a single Zener diode which features a very low leakage current, temperature coefficient and a wide operating junction temperature. It can be found in a variety of industrial, consumer and automotive applications to provide over-voltage protection, polarity protection and voltage clamp-down, etc.

For more information, please refer to the product datasheet.

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