3EZ180D2/TR8

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	180V
Tolerance:	±2%
Power - Max:	3W
Impedance (Max) (Zzt):	700 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 136.8V
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:	3EZ180

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Introduction

The 3EZ180D2/TR8 is a single-element zener diode, one of many types of diodes being used in modern electrical and electronic circuits. Diodes are used to control the direction of current flow, providing a vital component in the construction of devices such as radios, phones, and computers. The 3EZ180D2/TR8 is designed with a wide range of applications in mind, including industrial communications systems, electrical instrumentation and control systems. This paper will review the different applications of the device, as well as its working principles.

Applications

The 3EZ180D2/TR8 is a popular choice for many applications due to its design and performance. It is most commonly used in applications where high voltage is present, or where the current flow needs to be precisely controlled. Additionally, the 3EZ180D2/TR8 can be used in test equipment, providing protection against transient current spikes. The device can also be used in automotive and aerospace applications, as well as in medical equipment and professional audio systems.

In industrial communications systems, the 3EZ180D2/TR8 is used to protect sensitive components from excessive current, preventing damage as well as providing an effective means of ground fault protection. In motor control systems, the device is used as a snubber, controlling the inrush of current to the motor upon start-up. It can be used as a voltage reference in measuring circuits, providing an accurate source of voltage to enable accurate measurements. In AC power supplies, the device is used for ripple voltage regulation, allowing for the regulation of input AC voltages.

Working Principle

The 3EZ180D2/TR8 is a zinc-doped silicon device, also known as a Zener diode. It is similar to a standard diode, in that it is constructed from two oppositely doped regions of silicon and acts as an electrical insulator when reverse-biased. When forward-biased, however, it exhibits the so-called Zener effect, whereby a breakdown occurs and the diode conducts in the forward direction, providing a set voltage across its terminals. The exact voltage at which the device begins to conduct is determined by its design and by the amount of doping in the silicon material. In most cases, the 3EZ180D2/TR8 can be designed to provide voltages as high as 180 volts. It also has a very low leakage current when reverse-biased, meaning that it can be used in high-impedance circuits.When using the 3EZ180D2/TR8, it is important to consider the maximum power rating of the device, since exceeding this rating will cause the device to heat up and eventually fail. It is also important to ensure that the operating temperature remains within the recommended limits.

Conclusion

The 3EZ180D2/TR8 is a popular single-element Zener diode, with a wide range of applications across a variety of industries. Its key feature is its Zener effect, where it conducts in the reverse direction when a specific forward voltage is applied, providing a reliable and accurate voltage reference. Care should be taken to ensure that the device is operated within the recommended operating parameters, in order to ensure a long service life.

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