JAN1N5543D-1

Series:	Military, MIL-PRF-19500/437
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	25V
Tolerance:	±1%
Power - Max:	500mW
Impedance (Max) (Zzt):	100 Ohms
Current - Reverse Leakage @ Vr:	10nA @ 22.4V
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 200mA
Operating Temperature:	-65°C ~ 175°C
Mounting Type:	Through Hole
Package / Case:	DO-204AH, DO-35, Axial
Supplier Device Package:	DO-35 (DO-204AH)

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Introduction

The JAN1N5543D-1 is a single Zener Diode with an exceptionally high reverse breakdown voltage. It is a reliable and versatile component in a wide range of high-voltage applications. This diode is an ideal choice for use in systems that require high-speed switching, high-current operation, and low power dissipation.

Application field

The JAN1N5543D-1 is primarily used in high-voltage surge protection and power conditioning applications. It can be found in rectifiers, voltage regulators, and switching power supplies. This diode can also be used in automotive systems, standby power supplies, and any applications where transient protection is required. Due to its high reverse breakdown voltage, the JAN1N5543D-1 is also suitable for use in high-voltage applications such as high-voltage AC/DC power supplies, medical lasers, and instrumentation. In addition, because of its low forward voltage and power dissipation, it is also suitable for use in high-speed applications such as optical data communications, microwave systems, and high-speed motor-drive systems.

Working principle

The JAN1N5543D-1 uses Zener diode technology to provide high-voltage protection. A Zener diode is a two-terminal semiconductor device with a reverse breakdown voltage between its anode and cathode. When a voltage higher than the breakdown voltage is applied to the diode, the diode switches to a low-impedance conduction state. This low-impedance conduction state protects the diode from excessive voltages or currents and limits the voltage across devices or circuits. The JAN1N5543D-1 diode is designed to have a very high reverse breakdown voltage of 425V and a low reverse current of 20 µA. This ensures the diode will remain in a low-impedance state, even when exposed to high voltages. The diode also has a low forward voltage of 1.2 V and a low power dissipation of 100 mW, which helps minimize power dissipation and increases system reliability.

Conclusion

The JAN1N5543D-1 Zener diode is a reliable and versatile component with a wide range of applications in high-voltage surge protection, rectifiers, voltage regulators, and power conditioning. Its high reverse breakdown voltage, low forward voltage, and low power dissipation make it an ideal choice for high-speed applications. In addition, its robust design makes it an ideal choice for applications where transient protection is required.

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