3EZ82DE3/TR8

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	82V
Tolerance:	±20%
Power - Max:	3W
Impedance (Max) (Zzt):	95 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 62.2V
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:	3EZ82

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Introduction

A 3EZ82DE3 / TR8 diode, also known as a Zener diode, is a type of diode with the purpose of electrical breakdown and rectification. Zener diodes are commonly used to provide a reference voltage, ensure reversed battery protection, and regulate a power line. They are a special type of diode that allows current to flow in the reverse direction when the voltage reaches a certain level (the Zener voltage). In this article, we will explain the application field and working principle of 3EZ82DE3/TR8 diodes.

Application Field

The 3EZ82DE3 / TR8 diode can be used for a variety of applications. It can be used as a voltage regulator to provide a constant and stable output voltage, such as in a power converter, or to protect a device from electrical surges or reverse battery protection (the diode will prevent current from flowing in the wrong direction if the polarity of the electrical supply is reversed). It is also used in lighting installations, automotive electronics, and communications equipment.

Working Principle

The 3EZ82DE3/TR8 diode has two terminals, an anode and a cathode. The anode is the positive terminal and the cathode is the negative terminal. When the anode is connected to a positive voltage and the cathode is connected to a negative voltage, current will flow in the forward direction. This is known as forward bias.When the voltage across the diode reaches the Zener voltage, the diode begins to conduct current in the reverse direction and the diode is said to be in the “Zener breakdown” region. The Zener voltage is set by the doping of the intrinsic layer in the semiconductor junction. The maximum current through the diode is determined by the power dissipation capability of the diode.

Conclusion

3EZ82DE3/TR8 diodes are widely used in a variety of applications such as power converters, lighting installations, automotive electronics, and communications equipment. They are a type of diode that conducts current in the reverse direction when the voltage across it reaches the Zener voltage. The Zener voltage is set by the doping of the intrinsic layer in the semiconductor junction and the maximum current through the diode is determined by the power dissipation capability of the diode.

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