CDLL4735

Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	6.2V
Tolerance:	±10%
Impedance (Max) (Zzt):	2 Ohms
Current - Reverse Leakage @ Vr:	5µA @ 3V
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

CDLL4735 is a single Zener diode, manufactured to provide a constant voltage source ideal for applications in a wide range of industries. It is designed to protect systems from electrical over-currents and surges. The diode features a very low leakage current, excellent temperature stability, and a wide range of operating voltages. In this article, we will discuss the application field and working principle of CDLL4735.

Applications

CDLL4735 is suitable for many different applications in different industries, including industrial power and control systems, automotive, lighting and measurement equipment. 1. Industrial Power and Control Systems: CDLL4735 can be used in industrial power and control systems to prevent damage from over-currents and surges. It can also be used for voltage stabilization, isolating, and reference voltage generation. 2. Automotive: CDLL4735 is widely used in automotive electronics to regulate, control, and stabilize voltage levels. 3. Lighting: CDLL4735 is used in lighting to regulate voltage and prevent short circuits. 4. Measurement Equipment: CDLL4735 is used in many measurement equipment such as digital multimeters, to protect the on-board components from over-currents and surges.

Working Principle

CDLL4735 is a single Zener diode, which is composed of a P-N junction and operates in avalanche breakdown. When the voltage across a P-N junction exceeds the breakdown voltage, current conduction starts. This phenomenon is known as ‘avalanche breakdown’. When the applied voltage is lower than the breakdown voltage, the diode will remain in a reverse bias condition and no conduction will occur. When the applied voltage is greater than the breakdown voltage, the diode will enter a forward biased condition and will begin to conduct. This will result in the voltage across the diode remaining at a constant level, even if the applied voltage fluctuates. This constant voltage level is known as the ‘Zener voltage’. By adding a resistor in series with the diode, it is possible to control the maximum current that flows through the diode while working in forward biased mode. This is known as a Zener diode regulation circuit and is commonly used in power supplies, as well as other electronic circuits.

Conclusion

CDLL4735 is a single Zener diode ideal for a wide range of applications across many different industries. Operating on the principle of avalanche breakdown, the diode is designed to protect systems from electrical over-currents and surges. By adding a resistor in series with the diode, it is possible to control the maximum current that flows through the diode for stabilizing voltages or isolating components.

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