2EZ3.9DE3/TR12

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Diodes - Zener - Single

Zener diodes are specialised diodes that operate in the reverse-breakdown region. Normal diodes will become forward biased when the anode potential is below the cathode potential. Zener diodes, however, are designed to operate in the reverse breakdown region - when the cathode potential is below the anode potential. When the reverse bias applied to the diode exceeds a certain threshold called the Zener voltage, the diode will begin to conduct, allowing current to flow.

The 2EZ3.9DE3/TR12 is a single Zener diode specifically designed for voltage regulation in AC-DC and DC-DC circuits. The device is also particularly useful for electrostatic discharge protection, as it can absorb high voltage charges without damage or degradation. With a maximum power dissipation of 500mW, this Zener diode is capable of operating at temperatures up to 125°C.

The 2EZ3.9DE3/TR12 is a surface-mount device designed for use on printed circuit boards. The device dissipates heat through the back of the board, allowing it to be mounted compactly without requiring dedicated heat sinks or fan cooling. The device also has a Zener voltage of 3.9V, allowing it to be used in a variety of voltage regulation applications.

The working principle of the 2EZ3.9DE3/TR12 Zener diode is simple. When the reverse bias voltage applied to the diode exceeds the Zener voltage of the device, the diode begins to conduct, allowing current to flow. This current flow is proportional to the amount of voltage applied; the higher the voltage, the higher the current. By controlling the amount of current through the Zener diode, the device can be used to regulate the voltage across a load.

The 2EZ3.9DE3/TR12 is designed for use in a variety of applications. Its high power dissipation rating and robust construction make it suitable for AC or DC voltage regulation applications, as well as protection of electrostatic devices from sudden voltage spiking. The device is also used in a variety of DC-DC converters, allowing it to be used to step down or step up the DC voltage.

In summary, the 2EZ3.9DE3/TR12 is a surface-mount single Zener diode designed for voltage regulation and ESD protection. The device has a Zener voltage of 3.9V, a maximum power dissipation of 500mW, and is able to operate at temperatures up to 125°C. The working principle of the device is based on the fact that it begins to conduct when the reverse bias applied to the diode exceeds its Zener voltage, allowing current to be regulated. The device is suitable for a variety of applications, including AC or DC voltage regulation, as well as protection from sudden voltage spikes in electrostatic devices.

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