CDLL5924C

Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	9.1V
Tolerance:	±2%
Power - Max:	1.25W
Impedance (Max) (Zzt):	4 Ohms
Current - Reverse Leakage @ Vr:	5µA @ 7V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 200mA
Operating Temperature:	-65°C ~ 175°C
Mounting Type:	Surface Mount
Package / Case:	DO-213AB, MELF
Supplier Device Package:	DO-213AB

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CDLL5924C Application Field and Working Principle of Single Zener Diodes

Single Zener diodes are electronic components used for voltage regulation. The CDLL5924C is an example of a single zener diode. It is an ultra-low-voltage (ULV) Zener diode that operates with a reverse breakdown voltage of 24V and a maximum reverse current of 500mW.

Application Field

Single zener diodes are generally used in circuits that require a relatively large reverse breakdown voltage. They are often found in automotive products, such as displays and audio systems. Additionally, they are used in high-voltage applications, such as TV sets and audio amplifiers. This particular ULV Zener diode is well-suited for regulating small voltage signals.

Working Principle

A single zener diode works by allowing a fixed, reverse-biased voltage to be applied across the diode. This reverse bias creates an electric field in the diode which opposes the flow of electrons back into the diode itself. If the voltage applied across the diode is less than the breakdown voltage of the diode, it will remain unaffected by the electric field and the diode will only conduct current in one direction. However, if the voltage across the diode exceeds its breakdown voltage, the electric field will create a region of “breakdown” within the diode which allows current to flow in both directions. This is referred to as “Zener breakdown” and is the basis for the operation of zener diodes. The CDLL5924C ULV Zener diode utilizes this principle to regulate relatively small voltage signals. In this case, it has a reverse breakdown voltage of 24V and a maximum reverse current of 500mW. This makes it ideal for regulating a wide range of voltages, including those encountered in automotive products and high-voltage applications.

Conclusion

Single Zener diodes are useful components for regulating relatively small voltage signals. The CDLL5924C is an example of a single zener diode suitable for automotive and high-voltage applications. It has a reverse breakdown voltage of 24V and a maximum reverse current of 500mW. This works by allowing a reverse-biased voltage to be applied across the diode, creating an electric field that allows for Zener breakdown.

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