1N5930CP/TR12

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1N5930CP/TR12 Application Field and Working Principle

1N5930CP/TR12 belongs to a type of diode known as zener or avalanche diodes, made of PN junction semiconductor materials such as silicon, germanium and other compounds which display a controlled breakdown in the reverse bias voltage. Zener diodes are a special type of diode designed specifically to provide a stable, relatively low voltage output by allowing conduction of reverse current when certain zener or breakdown voltage is exceeded.

Application Field

1N5930CP/TR12 is a 3.0 V 30 mW Zener diode in a SOD-123 package which is widely used in UPS and power supply applications. It is also used in voltage limitation, clipping and clamping circuits and for stabilizing the voltage for transistor amplifiers.

Working Principle

The working principle of 1N5930CP/TR12 is essentially the same as that of other diodes. When the voltage at the cathode is more negative than the voltage at the anode, the diode is in the reverse-biased condition and the electric current flow is prevented. This condition is known as reverse breakdown, which is the special ability of Zener and avalanche diodes to allow the controlled flow of electric current.

When an electric potential (voltage) is applied to a zener diode (1N5930CP/TR12 in this case), the depletion layer produced by the p-n junction is a place where the current begins to flow due to the electrostatic resistance. When the voltage reaches the zener breakdown voltage, the current increases exponentially and a voltage drop equal to zener or breakdown voltage is created at the diode. Thus, it effectively maintains a stable voltage output. For example, for 1N5930CP/TR12, it is 3.0V when the reverse breakdown voltage is 5.6V.

Conclusion

In summary, 1N5930CP/TR12 is a 3.0V 30 mW Zener diode packaged in a SOD-123 package. It can be widely used in UPS and power supply applications, as well as for voltage regulation, clipping/clamping circuits and transistor amplifier stabilizing. Its working principle is based on the reverse breakdown voltage, which allows a constant voltage output when the specified zener or breakdown voltage is exceeded.

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