1EZ140D2E3/TR8

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The 1EZ140D2E3/TR8 belongs to the family of diode devices with a single Zener element tailored for signal applications. It is designed to regulate voltages across a circuit when the voltage is too high, and protect the circuit when the voltage is too low.

The 1EZ140D2E3/TR8 offers a wide range of moderate power dissipation, from 1W to 2W, with a nominal zener voltage of 5.1V. The maximum deviation from the nominal zener voltage is only 5%. The maximum power dissipation for junction temperature of 125°C is 2W, as expected for a 1W device.

The 1EZ140D2E3/TR8 consists of a single Zener diode encased in a TO-252 DPAK package. It is designed to provide protection from transient voltages, and it can also be used to regulate the line voltage in systems. When the input voltage exceeds the zener voltage, the diode conducts and reduces the excess voltage.

The 1EZ140D2E3/TR8 can be used in a variety of applications. It is often used in automotive electronics as a protection device against transient voltages, such as in-vehicle power supply or EFI (electronic fuel injection) systems. It is also applicable for chip protection in digital circuits, line regulation in power supplies, and surge protection in audio/video systems.

The 1EZ140D2E3/TR8 works on the principle of reverse breakdown of a PN junction. When the applied voltage exceeds a certain level, called the breakdown voltage, the diode begins to conduct and provide a path for the current to flow. This current flow is limited by the resistance of the Zener diode. The Zener voltage of the diode is determined by the voltage at which the breakdown occurs.

The Zener voltage is relatively stable over changes in temperature and current. This allows the 1EZ140D2E3/TR8 to be used in a variety of applications and in a wide range of environments. The device is also reliable and cost-effective due to its low power requirements.

In summary, the 1EZ140D2E3/TR8 is a single Zener diode designed to regulate voltages when the voltage is too high, and protect circuits when the voltage is too low. It has a wide range of power dissipation from 1W to 2W. It can be used in automotive electronics, digital circuits, power supplies and audio/video systems. It works on the principle of reverse breakdown of a PN junction, and its Zener voltage is relatively stable over changes in temperature and current.

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