CZRFR8V2B-HF

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	8.2V
Tolerance:	±2%
Power - Max:	200mW
Impedance (Max) (Zzt):	7 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 6.5V
Voltage - Forward (Vf) (Max) @ If:	900mV @ 10mA
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	1005 (2512 Metric)
Supplier Device Package:	1005/SOD-323F

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Introduction

The CZRFR8V2B-HF is a single Zener diode designed for applications requiring voltage regulation. It has a maximum reverse current rating of 800μA, ensuring a low forward resistance in order to provide high efficiency and stability, as well as a high maximum operating temperature of 175°C (Tj). The device also features a high stability of ±2% over the operating temperature range, making it suitable for use in high reliability applications.Application Field

CZRFR8V2B-HF is used in a wide range of applications. It can be used as a Zener diode to provide voltage regulation, or as a protection diode for overvoltage protection. Additionally, it can also be used as a clipper diode for limiting the voltage spikes, or for snubbing applications. It can be further used in temperature sensors and voltage regulators, as well as in automotive, computing and communication industries. Working Principle

The CZRFR8V2B-HF’s working principle is relatively simple. When forward-biased (i.e. when current is flowing through the diode’s anode and cathode), it will allow current through up to its knee voltage (Vz) and then drop very little depending on the load. When reverse-biased (i.e. current is flowing from the anode to the cathode), it will begin to conduct an increasing amount of reverse current. The reverse current will begin to increase when the reverse voltage reaches the breakdown voltage (Vbr), at which point the diode will become saturated. Above the breakdown voltage, the current through the diode increases quickly and exponentially, and the diode can be considered "on". The CZRFR8V2B-HF is designed for use as a voltage regulator, so it can be used in applications where the voltage fluctuations are relatively small. In this type of application, the diode is reverse-biased during normal operation, but if the voltage spikes above the reverse breakdown voltage (Vbr) of the diode, it will begin to conduct current and limit the voltage to a safe level. Conclusion

In conclusion, the CZRFR8V2B-HF is a single Zener diode specifically designed for voltage regulation applications. It has a maximum reverse current rating of 800μA, ensuring low forward resistance, high efficiency and stability, as well as high maximum operating temperature. The device is used in a wide range of applications such as voltage regulation, overvoltage protection, clipper diode, temperature sensors and voltage regulators. Its working principle is based on reverse-bias and forward-bias voltages and currents. When reverse-biased, it will begin to conduct an increasing amount of reverse current when the reverse voltage reaches its breakdown voltage.

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