JAN1N4474C

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The JAN1N4474C is a single Zener diode from Fairchild Semiconductor. This diode is designed to provide good regulation of voltage in circuits that require stable power supply levels, and can be used for a wide variety of applications, from basic power supply ground voltage regulation to the generation of reference voltages.

The JAN1N4474C has a Zener voltage of 4.7 V and a nominal power dissipation of 500 mW. This diode has a typical junction capacitance of 5.5 pF at zero reverse bias and a maximum reverse operating current of 5 microamps. It can be connected in series with a regular diode to create a voltage regulator, or it can be connected in parallel with other series devices to provide a constant voltage output. This diode also has a low temperature coefficient of 0.25 percent/degree C, which helps minimize the effects of ambient temperature on circuit performance.

The JAN1N4474C works on the principle of reverse conduction. In forward conduction, current flows in the forward direction through the diode when a positive voltage is applied. When a reverse voltage is applied, no current flows through the diode. In reverse conduction, the application of negative voltage causes current to flow through the device in the reverse direction. At the Zener voltage, the rate of current flow will reverse and become a constant current regardless of the applied reverse voltage. The Zener voltage is the breakdown voltage which the diode does not communicate beyond, thereby providing voltage stability.

This diode can be used in applications requiring voltage regulation, such as power supplies and optical isolators. It can also be used in a switched capacitor converter to prevent overvoltage protection. It also has many secondary applications such as powering digital logic circuits as well as other sensitive digital systems that require precision voltages. It is also suitable for use in applications such as current limiting and temperature control.

In conclusion, the JAN1N4474C is a single Zener diode from Fairchild Semiconductor that can be used for a wide variety of applications, from basic power supply ground voltage regulation to the generation of reference voltages. It operates on the principle of reverse conduction and has a low temperature coefficient to help minimize the effects of ambient temperature on circuit performance. This diode can be used in applications requiring voltage regulation, such as power supplies and optical isolators, as well as for many secondary applications that require precision voltages.

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