JANTX1N4489CUS

Series:	Military, MIL-PRF-19500/406
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	100V
Tolerance:	±2%
Power - Max:	1.5W
Impedance (Max) (Zzt):	250 Ohms
Current - Reverse Leakage @ Vr:	250nA @ 80V
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 JANTX1N4489CUS

The JANTX1N4489CUS is a single zener diode from Microsemi Corporation. It is designed for use in a variety of applications such as voltage regulation, sensing, and protection for regulated power supplies. This diode is also used in overvoltage suppression, reverse polarity protection, as a reference voltage source, and in temperature compensation circuits.

JANTX1N4489CUS Application Field and Working Principle

The JANTX1N4489CUS is a low voltage zener diode device with a wide application range. It is designed to provide protection and regulation in circuits with a breakdown voltage of 6.2V. The diode typically exhibits a maximum power dissipation rating of 500mW and a maximum reverse surge current of 5A. It can operate over a wide temperature range of -55 to 175°C.In applications where the JANTX1N4489CUS is used as a voltage regulator, it limits the maximum voltage through the circuit. For example, if the voltage is set to 6.2V then the circuit will not exceed this value. If a higher voltage is applied, the diode will act as a voltage clamp, limiting the voltage to the forward voltage drop of the diode. This can protect sensitive electronics or circuits from damage caused by transient overvoltage conditions.In applications where the JANTX1N4489CUS is used for reverse polarity protection, it limits the voltage to the diode’s reverse breakdown voltage of 6.2V. This prevents damage to the circuit caused by reverse voltage applied to the circuit.The JANTX1N4489CUS can also be used in sensing and temperature compensation circuits, due to the low forward voltage drop and low temperature coefficient of the diode. The diode can be used to sense the current in a circuit and to provide temperature compensation. In addition, the diode can also be used as a reference voltage source, enabling accurate voltage control in circuits.

Conclusion

The JANTX1N4489CUS is a low voltage zener diode device with a wide range of applications. It is designed to provide overvoltage protection, voltage regulation, temperature compensation, reverse polarity protection, and reference voltage sources in a wide range of circuits and applications. The device\'s wide operating temperature range and its low power dissipation rating make it suitable for a range of applications.

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