3EZ5.6D/TR12

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	5.6V
Tolerance:	±20%
Power - Max:	3W
Impedance (Max) (Zzt):	2.5 Ohms
Current - Reverse Leakage @ Vr:	5µA @ 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:	3EZ5.6

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Introduction

Diodes are important components in electronics, and their use and application are very wide. The Zener diode, which belongs to the unilateral diode family, is a diode specially designed for breakdown and reverse electric current conduction. 3EZ5.6D/TR12 is an encapsulated Zener voltage regulator diode with a metal case and a glass tube, offering superior heat dissipation performance.

Parameters and Applications

3EZ5.6D/TR12 is mainly suitable for reverse voltage regulation, breakdown clamping and circuit protection, etc. It has the following basic parameters: Max. Power Dissipation: 0.9W; Junction Operating Temperature: -55°C to +150°C; Max. Peak Reverse Voltage: 5.6V; Rth (j-c): 8.5K/W; Cathode Current: 5mA; Max. Cathode Reverse Voltage Vr: 5.6V; Max. Peak Non-repetitive Forward Surge Current: 4A. It is widely used in a wide range of applications, such as television sets, portable equipment, switching mode power supplies, etc.

Features

Due to its high accuracy and reliable performance, 3EZ5.6D/TR12 is very popular among engineers. It is designed to be used in various applications and offers superior heat dissipation performance. Besides, it also has the following key features:• Subminiature design;• Highly reliable and stable under extreme environmental conditions;• Low Reverse Leakage Current;• Low Forward Voltage;• Low Capacitance; • Excellent Heat Dissipation.

Working Principle

3EZ5.6D/TR12 is a Zener diode. Like other rectifier diodes, it is made of two electrodes embedded in a semi-conductive material, usually N-Type on the negative electrode and P-Type on the positive electrode. When the Zener diode is reverse biased, due to the thermal generation of the free carriers (electrons and holes) and the avalanching effect, an avalanche breakdown voltage is generated. At a certain forward voltage level, the Zener diode will start to conduct, and the voltages from forward and reverse currents get balanced. Therefore, the diode offers a very stable and fixed voltage output.

Conclusion

3EZ5.6D/TR12 is a Zener diode specially designed for reverse voltage regulation, breakdown clamping and circuit protection. It features high precision and reliability, excellent heat dissipation performance and a wide range of applications. Its working principle is based on the Zener effect, where the voltage difference between the forward and reverse current is balanced at a certain voltage level due to the thermal generation and avalanching effect.

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