JAN1N4487DUS

Series:	Military, MIL-PRF-19500/406
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	82V
Tolerance:	±1%
Power - Max:	1.5W
Impedance (Max) (Zzt):	160 Ohms
Current - Reverse Leakage @ Vr:	250nA @ 65.6V
Voltage - Forward (Vf) (Max) @ If:	1V @ 200mA
Operating Temperature:	-65°C ~ 175°C
Mounting Type:	Surface Mount
Package / Case:	SQ-MELF, A
Supplier Device Package:	D-5A

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Introduction to JAN1N4487DUS

JAN1N4487DUS is a Zener diodes, a special type of semiconductor device that acts like a sort of electrical valve and helps regulate the electrical current. The device is composed of two electrodes, the anode and the cathode, which are attached to a semiconductor material like silicon. This device works as follows: when a voltage is applied across the anode-cathode electrodes, current will flow from the anode to the cathode. When the applied voltage is greater than the threshold voltage, the diode will become forward biased and the current will flow in one direction. The current will continue to flow until the voltage drops below the threshold again.

Application Field of JAN1N4487DUS

JAN1N4487DUS is primarily used in voltage regulation, particularly for low-power and low-noise systems. It can be found in a variety of applications, including power management circuits, power supply design, telecommunications, LED lighting, and automotive products, among others. In these applications, the Zener diode is used to control the maximum voltage that can be applied to the circuitry, offering improved protection against surges, transients, and other operating conditions. Additionally, the device is also used in temperature control circuits, power supplies, and voltage references.

Working Principle of JAN1N4487DUS

The JAN1N4487DUS works on the principle of a Zener breakdown, in which the depletion region between the electrodes increases as the voltage is increased further. At a certain voltage, called the Zener voltage, the energy stored in the electric field between the electrodes breaks down, allowing current to flow more freely. This works like a voltage regulator, since it will always limit the voltage that passes through it regardless of the current flowing through it.The device can also be used as a reverse protection device and in this case, the Zener diode works in the reverse direction and the current will flow back to the source, limiting the voltage and current. This is especially useful in applications where reverse voltage protection is needed.

Conclusion

In conclusion, the JAN1N4487DUS is a special kind of semiconductor device called a Zener diode, which is primarily used in voltage regulation, power management, telecommunications, LED lighting, and automotive products, among other applications. The device works by allowing current to flow through it once the voltage exceeds the Zener voltage, thereby limiting the voltage and current that passes through it. This makes it an ideal choice for applications that require improved protection against surges, transients, and other operating conditions.

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