Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	160V
Tolerance:	±5%
Impedance (Max) (Zzt):	1700 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 116V
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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Diodes - Zener - Single

Introduction

The CDLL5277B is a single Zener diode. One of the main uses of Zener diodes is in voltage regulation circuits. It can help to supply a constant voltage output in the event of varying levels of input voltage. Aside from this it can also provide circuit protection and voltage reference operation. This device is typically within the 1N4739A Diode series.

Device Construction

Some physical components used in the construction of the CDLL5277B are construction of the glass passivated junction chip. The chip itself is encapsulated in a black plastic material with cathode marked by a white line on the body. The chip is normally divided into four parts. There is the anode, cathode and the two leads, both of which are of the same length, one being the anode and one being the cathode.

Application Fields

The CDLL5277B is suitable for various applications and can be used in a variety of sectors. It is commonly used in consumer electronics and automotive applications. It can be used to incorporate into an electrical circuit and help to regulate voltage drops. It is also popularly used in power supplies, telecoms and audio equipment. Due to its wide range of uses, it’s commonly used when dealing with free floating voltages and supplies.

Working Principle

The Zener diode works on the principle of ‘break down voltage’. The Zener diode is placed in a circuit with a voltage greater than the breakdown voltage, typically between 4.8 to 7.2V. This is when the device is at its most efficient and most effective. When a voltage is applied to the diode, current flows through it, such as when it is used for regulating the voltage in a power supply circuit. When the breakdown voltage is exceeded, this current flows as a reverse current, providing a regulated output voltage. This is the basis of its use as a voltage regulator.

Conclusion

The CDLL5277B is one of many single Zener diodes used in electronics. It is widely used in a variety of applications and is known for its ability to provide constant voltage regulation. It is composed of a glass passivated junction chip along with its two leads, both of which are of the same length. This device is part of the 1N4739A diode series, and it works on the principle of ‘break down voltage’. It has many uses, such as in consumer electronics, power supplies, telecoms and audio equipment. As such it is an ideal choice for those seeking an effective voltage regulator.

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