Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	4.7V
Tolerance:	±20%
Power - Max:	2W
Impedance (Max) (Zzt):	4.5 Ohms
Current - Reverse Leakage @ Vr:	5µA @ 1V
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:	2EZ4V7

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Introduction

Diodes - Zener - Single, commonly known as 2EZ4.7DE3/TR12, are a type of unidirectional, low-power semiconductor used mainly for protecting circuits from reverse voltage and static electricity. They are commercially available in a variety of voltage and current ratings, depending on the manufacturer’s specifications. This article will discuss the typical application fields and working principles of 2EZ4.7DE3/TR12.

Application Fields

The 2EZ4.7DE3/TR12 is mainly used for protecting circuits from reverse voltage, static electricity, and other transient conditions. It is also used for fine-tuning the voltage output of voltage regulators, providing better consistency of the device’s output.In particular, the 2EZ4.7DE3/TR12 can be found in a variety of consumer electronics products such as computers, mobile phones, and other digital devices. It is also very popular in automotive applications such as automotive engine management systems.

Working Principles

The 2EZ4.7DE3/TR12 working principle is based on the Zener effect. This effect occurs when the forward voltage across the diode is greater than the Zener breakdown voltage.In this state, the diode acts as a clamp, blocking any additional voltage from occurring above the breakdown voltage. This allows the 2EZ4.7DE3/TR12 to act as a voltage regulator, providing a consistent output voltage regardless of the input voltage.

Advantages

Aside from its well-known voltage-regulation functions, the 2EZ4.7DE3/TR12 has a few major advantages. First, it is very low-power, since it does not require a large current to function. Secondly, it is temperature resistant and can work in a wide range of temperatures, which makes it suitable for many industrial applications. Finally, it is a cost-effective solution compared to other voltage regulation methods.

Conclusion

The 2EZ4.7DE3/TR12 is a very useful diode for providing reverse voltage protection in a variety of electronics products. Its working principle is based on the Zener effect and its advantages include being low-power, temperature resistant, and cost-effective. These factors make it a popular choice for protecting circuits from reverse voltage and static electricity.

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