1N5376AE3/TR13

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Diodes — Zener — Single

1N5376AE3/TR13 is a single Zener diode, which is a two-terminal device with a large and reverse-biased junction. This diode is designed to permit current in one direct only. It is made of heavily doped and depleted semiconductor material which is formed into a junction structure, and can be forwarded and reverse-biased to conduct an electrical current.

Application Field

The 1N5376AE3/TR13 is most commonly used in AC-DC converters, inverters, and flyback converters, due to its low-voltage and low-capacitance design. It is also used as a clamping device for transient voltage suppression (TVS) in applications such as power supplies, motor drivers, and automotive devices. As it can withstand high surge currents and voltages, it is ideal for protecting sensitive electronic equipment from overvoltage transients, such as from lightning strikes.

Working Principle

The 1N5376AE3/TR13 follows the principle of \'Zener voltage\'. Under the forward bias, this diode exhibits a low-voltage drop, since electrons are allowed to freely flow from the higher to the lower region. But, under reverse bias, the depletion layer acts as a barrier. The current is limited until the built-in electric field reaches a certain value, at which point, the current will rupture this layer, thus permitting the current to flow and the junction to reach a steady state. This phenomenon is known as \'zener breakdown\' and the voltage at which this happens is known as \'Zener voltage\'. The 1N5376AE3/TR13 diode can support a Zener voltage of 68 V @ 1 mA

In order to perform its designed function, the 1N5376AE3/TR13 is connected between the power source and the load, with the load being connected to ground. Under normal operating conditions, the diode will be reverse biased but when a high voltage is applied, the diode breaks down and conducts current through itself, thus providing protection from excessive voltage. The 1N5376AE3/TR13 can support a maximum surge current of 2ka and a maximum power dissipation of 500mW.

Conclusion

The 1N5376AE3/TR13 is a single Zener diode that is used primarily in AC-DC converters and inverters, as well as in transient voltage suppression applications. Its low-voltage and low-capacitance design, combined with its ability to withstand surge currents and voltages, make it an ideal choice for protecting sensitive electronic equipment. The diode follows the principle of Zener voltage and can support a Zener voltage of 68 V @ 1 mA and a maximum surge current of 2 ka.

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