3EZ3.9D2/TR12

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The 3EZ3.9D2/TR12 is a single, low-voltage, Medium Power Zener Diode which is widely used in many applications and operates in a very simple way. It is a four-terminal device with a metal tab on the anode end. The 3EZ3.9D2/TR12 Zener Diode is generally used for regulating an output voltage and suppressing reverse EMFs. The maximum power dissipation of the device is up to 2W. These Zener Diodes have a single junction which produces a voltage drop when a reverse bias is applied to it. As the voltage difference between the anode and cathode increases, an increase in current flow across the junction is also observed, creating a voltage drop.

Working Principle of 3EZ3.9D2/TR12: The 3EZ3.9D2/TR12 Zener diode works primarily on the basis of the Zener effect. When a reverse voltage is applied to the Zener diode junction, the applied electric field exceeds the breakdown level of the junction and the current starts to flow through it. The dynode current is limited by the dropping voltage across the diode. As the voltage difference increases, the current flow increases until it reaches the maximum level of the Zener diode.

Application Fields of 3EZ3.9D2/TR12: The 3EZ3.9D2/TR12 Zener diode is a versatile device which can be applied in numerous modes. It can be used in telecom equipment as a reference voltage, in automotive devices as a voltage regulator, in voltage regulation modules, in power supplies, and much more. The 3EZ3.9D2/TR12 Zener Diode is also widely used in different shutdown circuits which are used in oscillators, timer circuits, and many other digital circuits for controlling their precise output voltage. Another widely used application of the device is its use in surge suppressor circuits which are used for limiting the peak voltage levels in power lines.

Overall, the 3EZ3.9D2/TR12 is a versatile, single, low-voltage, medium power zener diode. It is widely used for controlling a wide range of output voltages and for suppressing reverse EMFs. The device operates on the basis of the Zener effect and is capable of handling up to 2W of power dissipation. It can be applied in numerous fields such as telecom equipment, automotive devices, voltage regulation modules, power supplies, surge suppressor circuits, oscillators, timer circuits, and other digital circuits.

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