2EZ91D5/TR12

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	91V
Tolerance:	±5%
Power - Max:	2W
Impedance (Max) (Zzt):	125 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 69.2V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 200mA
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Through Hole
Package / Case:	DO-204AL, DO-41, Axial
Supplier Device Package:	DO-204AL (DO-41)
Base Part Number:	2EZ91

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2EZ91D5/TR12 Application Field and Working Principle

Diodes are widely used as a type of semiconductor components that can be used to rectify and convert various electrical signals. Within diodes, Zener diodes are widely used and they deliver very stable, reliable performance in a large range of applications, including power supplies and voltage shunt applications. The 2EZ91D5/TR12 is a single Zener diode with a small, compact size and designed for medium power applications.

Applications

The 2EZ91D5/TR12 Zener diode is designed for high voltage, medium power applications, and can be used in a variety of settings. This diode can be used in DC-DC converters and switching power supplies, as well as in voltage clamping and reverse breakdown sensing applications. It is suitable for use as an ESD protection device and a TVS, and it can also be used in audio circuits, motor control and high voltage lighting applications.

Features and Performance

The 2EZ91D5/TR12 Zener diode has a long operating life and offers excellent performance for withstanding high levels of ESD. It offers a low forward voltage drop, excellent diode stability and low power dissipation. This diode has a 3.6 volt operating voltage, a maximum forward voltage of 1.0 volts and a maximum reverse current leakage of 10 milliamps at 25 degrees Celsius.

Design and Packaging

The 2EZ91D5/TR12 is available in a compact, 2-pin MELF package suitable for automatic lead insertion processes. The package is made from a gold-clad aluminum shell with a nickel layer for optimum corrosion protection.

Working Principle

The 2EZ91D5/TR12 Zener diode has a working principle based on a reverse avalanche breakdown. Under normal operating conditions, the voltage across the diode remains relatively constant, regardless of the amount of current that is flowing through the device. When the voltage across the diode reaches a certain breakdown voltage, the current increases substantially and the voltage drops to regulate the current flowing through the device. The breakdown voltage of the diode depends on its construction parameters and can be easily changed by modifying its design.

Conclusion

The 2EZ91D5/TR12 is a single Zener diode specifically designed for high voltage, medium power applications. It is a reliable and stable device that can be used in a wide variety of applications. It offers excellent diode stability and is available in a compact MELF package. The 2EZ91D5/TR12 Zener diode also uses a reverse avalanche breakdown principle of operation, where it maintains a constant voltage across the device until a certain breakdown voltage is reached.

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