CDLL4748A

Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	22V
Tolerance:	±5%
Impedance (Max) (Zzt):	23 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 16.7V
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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CDLL4748A Application Field and Working Principle

Introduction

The CDLL4748A is a single-pole Zener diode used in a variety of applications. This diode is designed to provide voltage regulation and protection against overloads and short circuits. The diode is constructed with a single-pole architecture and its design makes it suitable for a wide range of applications. It is most commonly used in high-end electronic products and electrical systems.

Application Field

The CDLL4748A is most commonly used in high-end electronic products and electrical systems where voltage regulation and protection are desired. It is also used in power supplies, computer hardware, LED lighting, automotive electronics, and more. The diode is also suitable for controlling current in RF circuits.The device is also used in surge protection applications. It provides quick and reliable protection against surges, spikes, and transients. The diode can also be used in rectifier circuits, helping to prevent power supply regulation and protect against overloads and short circuits.The CDLL4748A is also suitable for use in multiple-pole and single-pole circuits. It is popular for use in military and industrial applications due to its low leakage current, low noise, and high stability.

Working Principle

The CDLL4748A is designed to be a Zener diode. Zener diodes work by allowing current in one direction but blocking it in the opposite direction. When reverse-biased, the diode allows current to flow in the reverse direction. This current produces a voltage drop across the diode, which is called a Zener voltage. When current is allowed to flow in the reverse direction, it will build up until the Zener voltage is reached. At this point, an avalanche breakdown occurs and the Zener diode is triggered. This triggers the diode to begin regulating the voltage, thereby providing stabilization and protection from overvoltage.

Conclusion

The CDLL4748A is a single-pole Zener diode used for voltage regulation and protection. It is suitable for a wide range of applications including power supplies, computer hardware, LED lighting, automotive electronics, and industrial and military-grade applications. The diode works by allowing current in one direction and blocking it in the reverse direction. When reverse-biased, the diode allows current to flow in the reverse direction and produces a Zener voltage which triggers an avalanche breakdown and allows the diode to regulate the voltage.

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