3EZ68D5E3/TR8

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	68V
Tolerance:	±5%
Power - Max:	3W
Impedance (Max) (Zzt):	70 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 51.7V
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:	3EZ68

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Introduction

Diodes are a type of electrical component that has two terminals and plays an important role in electronics. Zener diodes offer a unique feature, allowing an external control to easily tune an electric current and limit the voltage across a circuit.This article will discuss the application field and working principle of the 3EZ68D5E3/TR8 diode, which is part of the single Zener diode family.

Application Field

The 3EZ68D5E3/TR8 is a single Zener diode, a type of diode designed for use in many electronic applications. This diode is designed for uses such as voltage regulation, transient suppression, bias circuits, voltage supervision and voltage clamping. Due to its Zener design, this diode offers both high and low voltage regulation, allowing it to regulate electrical current at a fixed voltage. As a result, it is often used in applications such as voltage regulation, voltage sensing, over-voltage and noise protection. The 3EZ68D5E3/TR8 is also well suited for use in automotive applications, as it is capable of operating at temperatures of up to 150°C and can withstand temperature fluctuations. This makes it suitable for use in vehicles, where temperatures can vary drastically.

Working Principle

The 3EZ68D5E3/TR8 diode operates on a reverse bias principle, meaning it is composed of two bipolar junction transistors connected in reverse. This configuration creates a diode that is stable at reverse voltages, offering protection from high voltage spikes and transients.When the external voltage across a circuit exceeds the Zener voltage (known as the breakdown voltage or knee voltage) of the diode, the current increases rapidly. This is followed by a Zener region, where the current rises exponentially as the voltage increases.The 3EZ68D5E3/TR8’s breakdown voltage can be tuned to a specific value by adding external components such as resistors and capacitors. This allows for precise voltage control and makes the diode ideal for many applications.

Conclusion

The 3EZ68D5E3/TR8 is a single Zener diode that is well suited for voltage regulation, voltage sensing, over-voltage protection, noise protection and automotive applications. It operates on a reverse bias principle, allowing the breakdown voltage to be tuned by an external control. This makes it an ideal diode for many applications, as it is capable of regulating electric current at a fixed voltage.

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