JAN1N4581AUR-1

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Introduction

JAN1N4581AUR-1 is a single Zener diode commonly used in a variety of applications. It is a 4.7V Zener diode with a maximum power dissipation rating of 500mW. It has a low maximum voltage of 7.1V and a high maximum voltage of 8.6V. The reverse breakdown voltage is 4.7V at a maximum surge current of 1A. The forward voltage drop at a current of 1mA is typically 0.7V and the reverse recovery time is typically 3-15ns.

Application fields

JAN1N4581AUR-1 is primarily used in amplifier, regulator, protection and other miscellaneous power electronics applications. It is popular in automotive, audio, communication and instrumentation applications. The 4.7V Zener diode is commonly used in power supplies, voltage regulators, computer motherboards, DC to DC converters and other electronic circuits.

Working Principle

The JAN1N4581AUR-1 works on the principle of Zener breakdown. When the voltage on the cathode is sufficient, an avalanche breakdown occurs and the diode starts to conduct in the reverse direction. This causes the current in the diode to become constant and the voltage across it slightly drops. The Zener breakdown voltage is controlled by the PN junction construction. This can be precisely established by adding a small amount of impurities to the semiconductor material.

Conclusion

JAN1N4581AUR-1 is a popular single Zener diode with a wide array of applications in power, audio, telecommunications and instrumentation systems. It has a 4.7V Zener voltage breakdown with a maximum power dissipation rating of 500mW and can handle a forward current of 1 A and a maximum reverse recovery of 3-15ns. It works on the principle of Zener breakdown which occurs when the voltage on the cathode is sufficient and precisely controlled by adding a small amount of impurities to the semiconductor material.

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