CZRFR3V9B-HF

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	3.9V
Tolerance:	±3%
Power - Max:	200mW
Impedance (Max) (Zzt):	90 Ohms
Current - Reverse Leakage @ Vr:	10µA @ 1V
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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CZRFR3V9B-HF Application Field and Working Principle

Diodes - Zener - Single is an area of electronics engineering focusing on the use of Zener diodes, which are special types of diodes that allow current to flow both ways through them, but limit it in one direction. They are used for various functions, and CZRFR3V9B-HF is a specific model in this category. This article looks at this device’s specific application field and its working principle.

The CZRFR3V9B-HF model is a double-lateral Zener diode that is used mainly for voltage regulation. As voltage surges and drops occur in electrical circuits, Zener diodes are designed to ensure that the correct amount of current is fed to the system; if more voltage is present, the Zener diode prevents the current from exceeding a set level, thus ensuring that downstream components are not damaged by excessive currents. The CZRFR3V9B-HF is specifically designed to operate in a voltage range between 6V and 9V, and it can handle up to 200 mA of current, allowing it to function in systems with a large number of circuits.

As for its working principle, the CZRFR3V9B-HF is a double-sided Zener diode, meaning that it has two Zener junctions operating in series. This is advantageous for certain applications, as it provides a more stable performance than a single-sided Zener diode. In operation, the device prevents a current from exceeding the designated voltage level, which is set by the diode’s breakdown voltage. When the current reaches this point, it triggers an avalanche breakdown, which is the process by which current is diverted away from the circuit. The CZRFR3V9B-HF is designed to minimize this breakdown, ensuring that the circuit current remains within the safe limits.

The CZRFR3V9B-HF is one of the most commonly used Zener diodes and is suitable for a wide range of applications. It is often used in combination with other semiconductors, such as transistors, to provide an even more efficient and reliable circuit protection. Thanks to its double-sided Zener design, the CZRFR3V9B-HF is also very efficient in regulating voltage, as it allows more current to flow than a single-sided Zener. Furthermore, this device also exhibits excellent thermal characteristics, which means that it can operate at higher temperatures without compromising its performance.

In conclusion, the CZRFR3V9B-HF is a double-sided Zener diode that is specifically designed for voltage regulation applications. It offers a number of advantages, such as its excellent thermal characteristics, double-sided Zener design, and its ability to operate with high levels of current. Furthermore, the CZRFR3V9B-HF is an excellent choice for circuit protection, as it ensures that no excessive currents flow through the circuit.

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