CDLL4125

Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	47V
Tolerance:	±5%
Power - Max:	500mW
Impedance (Max) (Zzt):	250 Ohms
Current - Reverse Leakage @ Vr:	50nA @ 35.8V
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 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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CDLL4125 Introduction

The CDLL4125 is a single zener diode from Diodes Incorporated. They are specially designed for use in medium-to-high-power applications that are sensitive to variations in the input voltage or current. It is designed to provide a constant voltage or current over a wide range of input voltage or current levels. The CDLL4125 is a low-power device with a low forward voltage drop and high reverse breakdown voltage.

Features and Benefits

The CDLL4125 is designed for medium-to-high-power applications. It has a low forward voltage drop and a high reverse breakdown voltage. The CDLL4125 features low noise and low reverse leakage current. It has a low inductance package and a wide operating temperature range. The device also features a fast turn-on response time and a low forward current angle. It is compatible with a variety of control and protection circuits.

Applications

The CDLL4125 is ideally suited for a variety of medium-to-high-power application such as LED drivers, computer and audio systems, plasma displays, battery powered products, consumer electronics, telecom and networking systems, medical equipment, motor and power controllers and other power supplies.

Working Principle

The CDLL4125 operates using the avalanche breakdown principle. This is a process by which a large number of carriers (electrons and holes) are formed at a junction in a semiconductor material when the reverse bias voltage exceeds a specific breakdown voltage. When the reverse bias voltage is applied, the electric field in the junction region increases, causing the carriers to increase in number. This increase in carriers creates a large number of electron-hole pairs, which increases with the electric field. When the electric field becomes strong enough, the electrons and holes have sufficient energy to create more electron-hole pairs in an avalanche effect. The result is a rapid increase in current in the reverse direction, which is the breakdown current.

Conclusion

The CDLL4125 is a single zener diode from Diodes Incorporated. This diode is specifically designed for medium-to-high-power applications which require a constant voltage or current over a wide range of input voltage or current levels. This device operates using the avalanche breakdown principle which is a process of rapid increase in current in the reverse direction when the reverse bias voltage exceeds a specific breakdown voltage. The CDLL4125 is designed for use in applications such as LED drivers, computer and audio systems, plasma displays, battery powered products, consumer electronics, and other power supplies.

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