Z4KE180A-E3/54

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	180V
Tolerance:	±5%
Power - Max:	1.5W
Impedance (Max) (Zzt):	1300 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 136.8V
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:	Z4KE180

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Introduction

Z4KE180A-E3/54 is a single Zener diode, designed to function as an avalanche voltage regulator. It\'s a very popular and reliable solution for increased power distribution, speed and flexibility in a wide range of industrial and consumer applications. This diode features a breakdown voltage of 180V and a peak power rating of 3W. The Z4KE180A-E3/54 is also available in other forms including a 1.3W surface mount device, and is ideally suited for use in high-brightness lighting, load balancing and voltage clamping applications.

Application Field

The Z4KE180A-E3/54 is the perfect solution for users in a wide range of applications. It is used in consumer electronic devices like cell phones, PDAs, gaming consoles and digital cameras requiring protection from overcurrents and overtemperatures. It is also used in light sources, instrumentation, and in DC/DC converters and regulators. In addition, it has been used in various power devices, such as inverters and battery chargers as well as in the renewable energy industry.

Working Principle

Z4KE180A-E3/54 functions by providing a highly regulated breakdown voltage at its terminals. This is achieved by the combination of an anode and a cathode electrode with a voltage-sensitive layer in between. When a positive voltage is applied to the anode, it creates an electric field across the semiconductor layer between the anode and cathode. This field causes the electrons in the semiconductor layer to become highly energetic and start to move across the layer, forming a depletion region. The electric field in this region continues to build until the breakdown point is reached, resulting in the Zener diode conduction region defined by the breakdown voltage. When the voltage across the Zener diode exceeds the specified breakdown voltage, a large current flow will take place. This current serves to limit the voltage in the circuit, thus providing protection to the device from damaging over-voltage conditions. The Z4KE180A-E3/54 also provides over-current protection by limiting the current flow in the circuit. It has a maximum reverse current of 1000µA, which is more than sufficient to protect any circuit from excessively high current flow.

Conclusion

In summary, the Z4KE180A-E3/54 is a single Zener diode designed to provide increased power distribution, speed and flexibility in a wide range of industrial and consumer applications. Its breakdown voltage of 180V allows users to quickly and easily limit the voltage in their circuit and protect it from over-voltage conditions. The Z4KE180A-E3/54 also provides a maximum reverse current of 1000µA, which allows it to provide over-current protection as well. As such, it is an invaluable tool in modern consumer and industrial electronics.

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