Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	5.1V
Tolerance:	±5%
Power - Max:	200mW
Impedance (Max) (Zzt):	60 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 800mV
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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CZRFR52C5V1-HF application field and working principle

Introduction

The CZRFR52C5V1-HF is a single zener diode, used for regulating a voltage to a particular level. The CZRFR52C5V1-HF application field is within the areas of Industrial, Automotive, and Consumer Electronics. Furthermore, the device features Inherent Capability for Voltage Regulation, High Thermal Stability, Low Leakage, and Long Life Characteristics.

Application Field

The CZRFR52C5V1-HF is suitable for use in industrial, automotive and consumer electronics applications. In terms of industrial applications, the device is primarily used to regulate DC voltages between 9 and 18 volts. This use allows the device to serve as a voltage stabilizer or a voltage presenter. In automotive applications, the CZRFR52C5V1-HF can be employed in fuel injector systems, where the diode regulates current and voltage spikes, as well as in battery charging and starting circuits. As for consumer electronics, the device is ideal for battery chargers and power supplies. Given that the CZRFR52C5V1-HF is capable of reducing the EMI, and thus providing better electrical noise immunity and reducing conducted emissions, it is particularly suitable for consumer electronics.

Working Principle

The CZRFR52C5V1-HF is a single diode-zener, which, as we mentioned above, is used for voltage regulation purposes. A voltage regulator is an integrated circuit, usually with a built-in control loop, which is used to control the output voltage and maintain it constant in spite of changes in the input voltage or load conditions. The basic working principle of the CZRFR52C5V1-HF can be explained with the help of a simple regulator circuit.The basic circuit configuration of a voltage regulator is typically a resistor in series with the zener diode, and a transistor. When the input voltage is greater than the zener diode\'s breakdown voltage, the diode will conduct, allowing the resistor to be bypassed and the current to flow through the diode. On the other hand, when the input voltage is less than the breakdown voltage, the diode will not conduct, and the current will be diverted through the resistor.The transistor is used in the circuit as a current limiter. It limits the current through the circuit, ensuring that it does not exceed a certain value. When the current reaches this value, the transistor will begin to turn off and stop the flow of current through the circuit. This will effectively reduce the output voltage and maintain it at the desired level.

Conclusion

In conclusion, the CZRFR52C5V1-HF is a single diode-zener, specifically designed for use in industrial, automotive and consumer electronics applications. Its design allows for voltage regulation, high thermal stability, low leakage, and long-life characteristics. Its working principle can be explained by the use of a simple regulator circuit configuration with a zener diode, a series resistor, and a transistor.

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