JANTX1N4974

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Diodes - Zener - Single

The JANTX1N4974 is a silicon zener diode specifically designed to regulate the reverse voltage at a sharp breakdown. This diode is able to guarantee highly reliable operations and superior power dissipation, which makes it suitable for applications in consumer, communication, instrumentation and industrial equipment, especially where higher power levels are needed.

JANTX1N4974 is offered in a standard in-line package to decrease its footprint and optimize the circuit board layout. This part features low leakage and high current levels for improved performance.

Working Principle

The JANTX1N4974 zener diode works in a very similar way to that of any semiconductor diode. When the diode is forward biased, current flows from the anode to the cathode and the diode acts as a normal conductor, allowing the current to pass through with no resistance. When the diode is reversed biased, the current will not flow and the diode acts as an open circuit.

In the case of the JANTX1N4974, when the voltage across it exceeds its reverse breakdown voltage, a sudden increase in current known as “zener breakdown” occurs, as a result of a potential barrier being crossed. This sudden increase in current is what allows the diode to regulate the voltage.

The JANTX1N4974 is a relatively low current model and can handle forward currents up to 1.5 amperes. It also offers good performance with very low leakage current, making it an ideal choice for low power applications.

Applications

The JANTX1N4974 zener diode has a wide range of applications. This device is especially suitable for use in consumer electronics, communications, instrumentation, and industrial applications.

Its low current levels make it an excellent choice for use in low power applications such as motor control, dimming and lighting control, and voltage regulation in portable tone generators and switching power supplies. Its low leakage current makes it particularly suitable for use in industrial applications, such as in waveform shaping of pulse waveforms.

JANTX1N4974 can also be used in conjunction with other components in applications such as temperature monitoring, process control, protection circuitry, and overvoltage protection in industrial and consumer applications.

Conclusion

The JANTX1N4974 is a silicon zener diode specifically designed to regulate the reverse voltage at a sharp breakdown. Its low current levels and low leakage make it an ideal choice for applications in consumer electronics, communications, instrumentation, and industrial applications. It can be used in temperature monitoring, process control, protection circuitry, motor control, dimming and lighting control, waveform shaping of pulse waveforms, and overvoltage protection.

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