2EZ12D5/TR8

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	12V
Tolerance:	±5%
Power - Max:	2W
Impedance (Max) (Zzt):	4.5 Ohms
Current - Reverse Leakage @ Vr:	1µA @ 9.1V
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:	2EZ12

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Introduction

The 2EZ12D5/TR8 is a single Zener diode specifically designed to be used in intrusive protection applications. The device offers a low breakdown voltage of less than 5 Volts and an operating temperature range from -55 to 85°C. It comes in through-hole and surface-mount packages and is ideal for a number of applications that require an extremely reliable and fast-responding Zener diode.

Application Field

The 2EZ12D5/TR8 has applications in devices such as voltage regulators, transient voltage suppressors (TVSs), and over-voltage protection devices. It is especially useful when the device is used to protect devices from transient over-voltages and electrostatic discharge (ESD) pulses. It can be used in automotive electronics where it is necessary to protect against over-voltage pulses caused by ignition systems.The device also can be used in medical equipment, computers, and communication systems. The low leakage current of this device makes it ideal for applications in which the device must remain engaged even when no current is flowing through it. The high surge current and short response time make the 2EZ12D5/TR8 suitable for applications requiring high switching speeds, such as motor and laser control systems.

Working Principle

The 2EZ12D5/TR8 operates on the same principles as other Zener diodes. When a reverse bias voltage is applied to the device, a very small current will flow through the device, which causes the diode to become forward biased and create a voltage drop from the input voltage.If the reverse voltage applied to the diode is increased, the current through the diode will also increase. At a certain voltage the diode will break down and the current can increase to a much higher value. This phenomenon is called Zener breakdown and is determined by the Zener voltage of the device, which for the 2EZ12D5/TR8 is very low, at less than 5 Volts.The low Zener voltage makes it possible for the device to respond quickly to transients or ESD pulses and provide effective protection against these voltages. The device is also designed with a high surge current capability and a short reverse recovery time for fast switching. This is especially useful for applications that require high speed response times.

Conclusion

The 2EZ12D5/TR8 is a single Zener diode designed for use in transient protection applications. It offers a low breakdown voltage of less than 5 Volts and a wide operating temperature range. Its low leakage current makes it suitable for applications where it must remain engaged while not carrying a load. Its high surge capability and short recovery time means it can provide fast and reliable response in applications requiring high speed response. The device is ideal for a range of applications that require reliable and fast-responding Zener diodes, such as voltage regulators, TVSs, ESD protection, motor, laser control systems, and many other products.

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