JANTXV1N5538CUR-1

Series:	Military, MIL-PRF-19500/437
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	18V
Tolerance:	±2%
Power - Max:	500mW
Impedance (Max) (Zzt):	100 Ohms
Current - Reverse Leakage @ Vr:	10nA @ 16.2V
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 200mA
Operating Temperature:	-65°C ~ 175°C
Mounting Type:	Surface Mount
Package / Case:	DO-213AA (Glass)
Supplier Device Package:	DO-213AA

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Diodes - Zener - Single

JANTXV1N5538CUR-1 is a single Zener diode, used in various ways to maintain a constant voltage in an electrical circuit. The single Zener diode is a diode made with an anode-cathode junction that permits current to flow in the normal direction, but can also reverse-biases in the normal direction due to a Zener breakdown, occurring at a given reverse-voltage. This property is utilized in what is known as a Zener diode circuit.

Application Field

The application field of JANTXV1N5538CUR-1 is mainly based upon its function as a voltage regulator, presenting a stable voltage to other circuit elements; the diode can be connected to the power supply, in order to protect the components from excessive potential. As such, the JANTXV1N5538CUR-1 is an integral piece of the electronic circuit, due to its frequent usage in potential applications. The Zener diode is particularly used as a voltage reference or a current regulator, for providing a stable working point for an amplifier, for protecting against lightning surges and transients, for clamping during waveform shaping, and for providing a return path for current through the line: these are only some of the important application fields of the JANTXV1N5538CUR-1.

Working Principle

The JANTXV1N5538CUR-1 operates in two distinct ways. In the avalanche mode, a sizeable amount of current can be allowed to flow, and the critical voltage applied should be slightly higher than the rated, in order to prevent breakdown. In the zener series, the diode is reversed-biased, with a predetermined reverse-voltage known as the breakdown voltage. Although the current will be small during the zener breakdown, after the voltage exceeded the breakdown levels the current is allowed to rapidly increase. During the breakdown, no heat is generated in the PN-junction, due to the rectification that takes place.Some Zener diodes come with an additional inbuilt resistor, which is intended to prevent the current from rapidly increasing and to stabilize the supply condition. In the case of JANTXV1N5538CUR-1, the current is usually limited by a accompanying resistor, which also acts as a voltage selector in order to determine the desired breakdown voltage level.

Conclusion

In conclusion, JANTXV1N5538CUR-1 is a single Zener diode with a wide range of applications. It can protect the other components of the circuit from excessive potential and provide a return path for current through the line. The JANTXV1N5538CUR-1 operates by either the avalanche or zener series, depending on the predetermined reverse-voltage. Additionally, the device is accompanied by an inbuilt resistor intended to prevent high current and to stabilize the supply condition. These factors make it an invaluable part of any electronic circuit.

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