CZRFR4V3B-HF

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Diodes - Zener - Single

A CZRFR4V3B-HF is a type of single zener diode. It is a two-lead semiconductor arrangement with a wide range of applications, including voltage regulation and current limiting.

This diode is internally constructed with a PN junction, which allows it to support breakdown voltages of up to 4 VOLTS. This is ideal for use within low voltage circuits, such as digital devices such as microprocessors or integrated circuits, or analog circuits. The breakdown voltage of the diode is related to its size, so a device like the CZRFR4V3B-HF is ideal for applications where a small and efficient device is necessary.

Voltage and Current Limiting

The basic operation of the CZRFR4V3B-HF is related to the two different conditions of its junction; the breakdown voltage and its forward voltage. Its breakdown voltage requires a current flow through the PN junction in order to overcome the dielectric built-in voltage of the junction, which allows conduction to occur. The higher the breakdown voltage of the diode, the larger the current needed to flow through it.

By setting the reverse bias voltage to be automatically limited by the breakdown voltage of the device, it provides an efficient way to limit the current within the circuit. This makes the CZRFR4V3B-HF ideal for use in applications as a voltage regulator, allowing current to flow only up to the set voltage. This can be used to reduce the risk of overloaded circuits or components.

Intrinsic Capacitance

The CZRFR4V3B-HF also has a relatively low parasitic capacitance. This is important for applications where the device will be used to provide high frequency signals, as the capacitance can cause additional distortion or signal losses within the device. By keeping the capacitance low, this helps to preserve the signal integrity across applications.

In terms of stability, this diode also has a wide temperature range, from -65°C to +175°C. This makes it suitable for use in varying climates or temperature sensitive applications. To add to this, the device also features an Anti-parallel diode with a low leakage current, which can help extend the life of the device with fewer current spikes.

Conclusion

In conclusion, the CZRFR4V3B-HF is a single zener diode. It is suitable for applications which require fast switching, low parasitic capacitance and voltage regulation. Its low breakdown voltage of 4 VOLTS and wide temperature range makes it ideal for low voltage and temperature sensitive circuits, such as digital or analog applications. With its Anti-parallel diode and low leakage current, it also provides long-term protection for these applications.

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