CDLL5953B

Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	150V
Tolerance:	±5%
Power - Max:	1.25W
Impedance (Max) (Zzt):	600 Ohms
Current - Reverse Leakage @ Vr:	1µA @ 114V
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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Introduction

CDLL5953B is a single Zener diode which is made up of silicon semiconductors with low leakage, tantalum nitride passivation, low operating temperature and high reliability. This device has a wide range of applications, including push-pull converter, current regulator, over-voltage protection and line frequency rectifier. This diode is designed to protect circuits from overvoltage transients and surges, and to provide a low-power, high-efficiency protection.

Features

CDLL5953B has a wide series of features that make it one of the most reliable and robust single Zener diode. • High power rating: With its maximum power rating at 600V, CDLL5953B provides good protection for circuits that use high voltage. • Low leakage current: Its typical leakage current is less than 1µA and it provides a low maintenance level, which is essential for long-term operation. • Low operating temperature: CDLL5953B operates at a low temperature, which is ideal for applications with stringent thermal requirements. • Tantalum nitride-passivated junctions: This device has a high-reliability passivation layer, which improves its life and performance. • Silicon semiconductor: CDLL5953B is made of silicon semiconductors, which ensure excellent protection against transients and surges. • Wide range of applications: CDLL5953B can be used as a push-pull converter, current regulator, over-voltage protection, and line frequency rectifier.

Working Principle

The working principle of CDLL5953B is based on the process of feedback-controlled current. This process helps in regulating the voltage that is supplied to the circuit. The current passes through an internal resistor, which is then connected to a reference voltage. This reference voltage helps in regulating the voltage that flows through the diode. The working principle of this single Zener diode is based on the concept of Zener breakdown. When a high voltage is applied to the p-n junction of the diode, the reverse voltage across the diode increases. This causes a high electric field on the junction and leads to the breakdown of the built-in junction barriers. As a result, a large current flows through the diode, resulting in the regulation of the voltage supplied to the circuit.

Applications

CDLL5953B is used in a wide range of applications, including: • Push-pull converters: Push-pull converters use CDLL5953B to provide a low-cost, low-power solution for regulating the voltage. • Current regulator: The single Zener diode is used for regulating current in order to improve system stability. • Overvoltage protection: This device provides reliable protection against overvoltage surges and transients. • Line frequency rectification: CDLL5953B is used for line frequency rectification in order to improve the efficiency of the rectification process.

Conclusion

In conclusion, CDLL5953B is an ideal device for protecting circuits from overvoltage transients and surges. It has a wide range of features, such as high power rating, low leakage current, low operating temperature, tantalum nitride-passivated junctions, and silicon semiconductor material. It is used in a variety of applications, including push-pull converter, current regulator, over-voltage protection, and line frequency rectifier. The main principle of operation of this single Zener diode is based on the concept of Zener breakdown.

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