CDLL958

Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	7.5V
Tolerance:	±20%
Power - Max:	500mW
Impedance (Max) (Zzt):	5.5 Ohms
Current - Reverse Leakage @ Vr:	5µA @ 5.7V
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 to the CDLL958

The CDLL958 is a single Zener diode manufactured by Microchip Technology Inc. It is a bi-directional, three-terminal device designed to provide noise immunity and moderate protection against over-voltage transients. The Zener diode has an intrinsic limitation that it can operate in a linear region, where the voltage applied is directly proportional to the current passing through it. The CDLL958, however, has been designed to operate in reverse bias, allowing much higher workload capabilities.

Application of the CDLL958

The CDLL958 Zener diode is ideal for switching, protection and noise suppression applications. It is typically used in automotive and industrial applications, where power limiting, voltage protection, or surge protection is required. Additionally, the CDLL958 is used in many consumer electronics, electrical appliances and power supplies. The ability of the CDLL958 to work over a wide range of voltages and current, making it suitable for use in large and small systems.

Working Principle of the CDLL958

The working principle of the CDLL958 is based on the principle of voltage regulation. It utilizes a reverse-biased Zener diode to gate current and voltage when a predetermined threshold voltage is reached. When the source voltage is below the Zener’s breakdown voltage, the diode is reverse-biased and hence no current passes through it. On the other hand, if the voltage exceeds the threshold voltage, the reverse-biased Zener diode quickly conducts, allowing current to flow through it. Here, the current is limited by the reverse-bias voltage and therefore, the voltage is kept constant. The CDLL958 also features a wide range of effective power ratings, providing improved protection in various applications. This range of power makes it a suitable choice for use in both high-end and low-end systems. Further, it comes with an integrated overvoltage safeguard circuit which gives it additional protection against current surges, shorts or other overloads.

Conclusion

The CDLL958 is an excellent option for a wide range of noise immunity and voltage-protection applications. It features a reverse-biased Zener diode which provides greater power capacity than conventional Zener diodes. Additionally, it includes a built-in overvoltage protection feature which helps against potential current surges, shorts or other overloads. The CDLL958 is suitable for automotive, industrial and consumer electronics applications, as well as for use in large and small systems.

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