2EZ170D5/TR12

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	170V
Tolerance:	±5%
Power - Max:	2W
Impedance (Max) (Zzt):	675 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 130.4V
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:	2EZ170

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Introduction

Diodes - Zener - Single is an important category in circuit board design. The 2EZ170D5/TR12 is a typical example of this kind of diodes. This article explores the application field and working principle of the 2EZ170D5/TR12, and a brief introduction of its parameters is also included.

Application Field

The 2EZ170D5/TR12 is the most commonly used Zener diode in the industry. It is mainly used in high-stability voltage control circuits and surge protection circuits. The 2EZ170D5/TR12 is ideal for protecting circuits from overvoltage and current fluctuations. Likewise, it can also be used in circuits that require precise voltage regulation.

Working Principle

The 2EZ170D5/TR12 works by allowing current to flow in a single direction. When the current flow across the diode, the voltage across its terminals will increase above the Zener voltage level, allowing the current to break down and flow through the diode.In the process of breakdown, the internal construction of the 2EZ170D5/TR12 will create a transition from low voltage to high voltage. As the voltage reaches the Zener voltage level, the diode will conduct, allowing the current to flow. The 2EZ170D5/TR12 also has an additional feature for noise suppression in the form of its built-in heatsink. The heatsink helps dissipate any excessive heat that is generated as the diode conducts. This helps to ensure that the 2EZ170D5/TR12 can perform reliably in high temperature environments.

Parameters

The 2EZ170D5/TR12 is available in a wide range of voltage levels, ranging from 5V to 68V. It has a power rating of 0.5W and a maximum operating temperature of 175°C. The 2EZ170D5/TR12 also features a low-noise operation, making it ideal for audio applications. In terms of physical characteristics, the 2EZ170D5/TR12 has a very small form factor, measuring just 5.8mm long and 3.2mm wide. This makes it an ideal choice for space-saving applications.

Conclusion

In conclusion, the 2EZ170D5/TR12 is an ideal choice for applications that require precise voltage regulation and overvoltage protection. It features a wide range of voltage levels, a power rating of 0.5W, and a maximum operating temperature of 175°C. Moreover, its small form factor makes it suitable for space-saving applications. Lastly, the built-in heatsink provides additional noise suppression.

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