Z4KE120A-E3/73

Series:	--
Packaging:	Tape & Box (TB)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	120V
Tolerance:	±5%
Power - Max:	1.5W
Impedance (Max) (Zzt):	700 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 91.2V
Voltage - Forward (Vf) (Max) @ If:	1V @ 500mA
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Through Hole
Package / Case:	DO-204AL, DO-41, Axial
Supplier Device Package:	DO-204AL (DO-41)
Base Part Number:	Z4KE120

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Introduction

A Zener diode is a specific type of diode that allows current to flow in the reverse direction when an applied voltage is greater than a specified threshold. Zener diodes are particularly well suited for use in regulating voltage. The Z4KE120A-E3/73 diode is a single Zener diode in a very small PowerDO-41 axial package that is intended for use in circuit protection, power supply, and other applications. It is a high-current, albeit limited-voltage device which is designed for use in printed circuit boards and other electronic boards.

Application Fields

The Z4KE120A-E3/73 is a high-current, limited-voltage device that is used in a variety of applications such as circuit protection, voltage regulation, power supply protection, and more. It is particularly well-suited for ensuring that the voltage in an electrical circuit is kept to a safe level and thus avoiding any damage to the components in the circuit. Additionally, Zener diodes also offer protection against transient surges that could potentially cause damage. In addition to protecting circuits and components, the device can also be used in logic circuits, where it can help to provide a precise voltage reference.

Working Principle

The Z4KE120A-E3/73 diode is a Zener diode designed to regulate the voltage in an electronic circuit. When the voltage across the diode is below the Zener breakdown voltage, it will have a very high resistance, allowing very little current to pass through it. As the voltage across the diode reaches the breakdown voltage, however, the diode will start to conduct, essentially allowing the voltage to be regulated and kept at a safe level. This is particularly useful in printed circuit boards, where components may be sensitive to fluctuations in voltage and current. In the event of a voltage surge, the diode can protect those components by regulating the voltage, preventing any damage.

Conclusion

The Z4KE120A-E3/73 diode is a single Zener diode in a very small PowerDO-41 axial package. It is a high-current, albeit limited-voltage device that is designed primarily for use in circuit protection, power supply protection, and other applications. The diode is designed to regulate voltage by allowing a current to pass through it once the voltage across the diode reaches a specific threshold, known as the Zener breakdown voltage. This helps to protect components from voltage surges and thus maintain the safety of the circuit and reduce the risk of damage.

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