CDLL5927D

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The CDLL5927D is a single Zener diode, specifically designed for voltage regulation and voltage clamping applications. As a single Zener diode, it is ideally suited to providing a reference voltage for other circuits, inhibiting the passage of current through them. At the same time, its low leakage current minimises losses in the circuit.

The CDLL5927D is designed to be used in both linear and switching applications, with a wide range of operating temperatures (– 55 °C to + 125 °C) and with an exceptionally low reverse leakage current (14 µA at 25 °C). Its fast recovery characteristics mean it can respond quickly and precisely to changing conditions, while its low forward voltage drop ensures that power losses are kept to a minimum.

In linear applications, the Zener diode can be used as a voltage reference in a regulator circuit, or to provide protection against reverse polarity or overvoltage in power supplies. In switching applications, it can be used as a voltage-limiting element for clamping a signal at a threshold level. The CDLL5927D has a wide operating temperature range of – 55 °C to + 125 °C and a high reverse breakdown voltage of 7.0V.

The internal construction of the CDLL5927D is key to understanding its operation. It consists of a P-N junction, which is a diode, with a layer of Zener material between the junction and an external circuit. When the anode voltage exceeds a certain breakdown voltage, the Zener material breaks down and allows current to flow in the reverse direction. This allows a stable voltage to be maintained at the junction, even when the external circuit is subjected to fluctuations in the applied voltage.

The CDLL5927D has a wide range of uses in both power supplies and signal processing. It can be used as a voltage reference, voltage regulator, voltage limiter, or as part of a circuit designed to provide protection against overvoltage or reverse polarity. Its high breakdown voltage, low leakage current, and fast recovery characteristics make it an ideal choice for use in many different electronic applications.

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