JANTX1N4974D

Series:	Military, MIL-PRF-19500/435
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	47V
Tolerance:	±1%
Power - Max:	5W
Impedance (Max) (Zzt):	25 Ohms
Current - Reverse Leakage @ Vr:	2µA @ 35.8V
Voltage - Forward (Vf) (Max) @ If:	1.5V @ 1A
Operating Temperature:	-65°C ~ 175°C
Mounting Type:	Through Hole
Package / Case:	E, Axial
Supplier Device Package:	E, Axial

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Introduction about JANTX1N4974D Diodes - Zener - Single

The JANTX1N4974D is a negative voltage zener diode which can be used in various applications. This diode is rated at 500 mV and is capable of withstanding transient voltages up to 2.2 kV. The JANTX1N4974D also offers reverse current protection when operated at voltages as low as 350 mV.

Application Fields

The JANTX1N4974D is a versatile device and can be used in a variety of applications. Its small size and low voltage capacity make it an ideal choice for many electronic systems. It can be used for reverse current protection in applications such as low voltage power supplies, DC-DC converters, DC motors and LED light sources. It can also be used in overvoltage protection circuits, voltage-sensitive switch circuits, and input/output circuitry.

Working Principle

The JANTX1N4974D is a negative voltage zener diode and works on the principle of avalanche breakdown. The chip is constructed in way that when a certain voltage reaches its cathode, the device can sustain a high current flow. This current flow produces an electric field in the diode which causes electrons to be released from the crystal lattice of the semiconductor material. The electron bombardment causes additional electrical breakdown and therefore further increases the current flow.

The JANTX1N4974D has a zener voltage of 500 mV. This means it can sustain a current flow at 500 mV or higher. When the voltage output is lower than 500 mV, the diode will act as an open circuit and no current will flow. This means it can be used to protect circuits from both over and under-voltage conditions.

Conclusion

The JANTX1N4974D diode is a versatile device and can be used for reverse current protection, overvoltage protection, and low voltage power supplies. Its small size and low voltage rating make it an ideal candidate for many electronic systems. It works on the principle of avalanche breakdown and can sustain a current flow at 500 mV or higher. Furthermore, the JANTX1N4974D is capable of withstanding transient voltages up to 2.2 kV.

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