CDLL5261

Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	47V
Tolerance:	±20%
Power - Max:	10mW
Impedance (Max) (Zzt):	105 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 36V
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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Introduction

CDLL5261 is a single Zener diode, specifically designed for temperature compensated and sub-microvolt Zener regulation applications. It is a semiconductor device with two distinct terminals. It is mainly used in the design of circuits to provide improved stability of zener voltage over temperature and voltage variation over line and load changes.

Application areas

CDLL5261 Zener diode is used in diverse applications such as digital switching, power management and temperature regulation. In these applications, its low power consumption, high sensitivity and tight tolerance are beneficial.

CDLL5261 is mostly used for battery-powered applications, including personal communication devices and portable medical and instrumentation products.

In addition, it is often employed in voltage regulators for mobile applications, low-power supply in notebooks and server boards, and portable charge-discharge systems.

It is also used in industrial process control to stabilize system voltage, and to compensate for voltage drops caused by heavy load.

Working principle

CDLL5261 Zener diode works on the principle of a diode and Zener diode junction. It operates as a standard diode when current flows through it in forward direction. However, it behaves differently when the current flows in reverse direction. In this case, it acts as a Zener diode, allowing the current to pass through it and stabilizing the voltage at its zener voltage which is around 1.0V.

When the current is passing through it in reverse direction, the Zener diode is said to be in the Zener breakdown region. This is the region where the Zener diode is able to regulate the voltage. It does this by allowing the current to pass through it in both forward and reverse direction, as long as the current is kept within a certain safe range.

The reverse current through the Zener diode is very low and the voltage is held constant regardless of changes in line or load conditions. This makes the CDLL5261 Zener diode ideal for the applications mentioned above where stable and consistent voltages are needed.

Conclusion

CDLL5261 is a single Zener diode designed for applications where temperature-stability, sub-microvolt Zener regulation, and low power consumption are important. Its application areas include digital switching, power management, temperature regulation, and voltage regulation. It works on the principle of a diode and Zener diode junction, where the current is allowed to pass through it in both forward and reverse direction, while regulating the voltage at a certain Zener voltage.

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