3EZ17D5-TP

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	17V
Tolerance:	±5%
Power - Max:	3W
Impedance (Max) (Zzt):	6 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 13V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 200mA
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Through Hole
Package / Case:	DO-204AC, DO-15, Axial
Supplier Device Package:	DO-15
Base Part Number:	3EZ17

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Introduction

Diodes are semiconductor devices that allow current to flow through one direction, but not the other. Diodes can also be used to regulate, or “clamp”, the voltage of a circuit. Zener diodes are one type of diode with this ability -- they have a special characteristic that allows them to act both as a conventional diode and as a voltage regulator. The 3EZ17D5-TP is a specialized Zener diode from DIODES Incorporated that is designed for applications where regulation accuracy, low noise, and temperature stability is key. In this article, we will discuss the application field and working principle of the 3EZ17D5-TP.

Application Field & Working Principle

The 3EZ17D5-TP Zener diode is especially well-suited to a wide variety of industrial and telecommunications applications, due to its robust performance in extreme temperatures, low noise levels, and strong regulation. The diode has a maximum power dissipation of 500 milliwatts and a temperature range of -55°C to +125°C, making it suitable for a broad range of environments. Its wide breakdown voltage range of 5 volts to 17 volts means it can be used in a variety of circuits.The main benefit of using a Zener diode like the 3EZ17D5-TP is its ability to regulate voltage. When the voltage across the diode reaches the breakdown voltage (also known as the Zener voltage), the diode will begin to conduct current in the reverse direction, clamping the voltage at that specified level. This process of diminishing the voltage is known as voltage regulation, and it is a key component in many circuits.The 3EZ17D5-TP Zener diode is constructed with a high dopant concentration in the semiconductor in order to produce a higher Zener voltage than normal. This Zener voltage is dependent on the characteristics of the junctions and the dopant concentration, but the range of breakdown voltages for the diode lies between 5V to 17V. When the diode is in a forward bias state, the voltage applied will be below its Zener voltage, and it will act as a normal diode, blocking any reverse current flow. However, when the applied voltage is above the Zener voltage, a heavy current flow will be established in the reverse direction. This creates a regulated supply voltage. The “clamping” behavior of the diode is caused by the sudden breakdown of the barrier potential at the junction when the reverse voltage reaches the Zener voltage.The 3EZ17D5-TP Zener diode also has a low capacitance level, which helps to reduce noise when it is being used as part of an AC rectifier. The diode has a higher forward peak current capability and a very low reverse leakage current to ensure a stable output voltage and no additional noise.

Conclusion

The 3EZ17D5-TP Zener diode from DIODES Incorporated is an ideal solution for applications where regulation accuracy, low noise, and temperature stability are musts. With its wide breakdown voltage range, high power dissipation and temperature range, and low capacitance level, the diode provides an excellent level of protection and performance in a wide variety of industrial, telecommunications, and commercial applications. Zener diodes like the 3EZ17D5-TP are convenient and efficient solutions for voltage regulation and AC rectification, making them invaluable devices in the modern world of electronics.

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