Reverse Bias The Diode

- November 05, 2018

Forward bias is in the direction of easy current flow and reverse bias is in the direction of little or no current flow. Reverse bias is the condition that essentially prevents current through the diode.

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This diode is a reverse bias diode.

Reverse bias the diode. In reverse biased p n junction diode the positive terminal of the battery is connected to the n type semiconductor material and the negative terminal of the battery is connected to the p type semiconductor material. In reverse bias the anode terminal of the voltage source is connected to the n type pin and cathode terminal of the voltage source is connected to the p type pin of the diode. In this article we learn about pn junction diode characteristics in detail like how to bias a pn junction forward reverse bias methods behavior of pn junction during forward reverse bias setups how to plot the vi characteristics what is reverse breakdown and many other essential concepts regarding a pn junction diode.

In figure a dc voltage is a source connected across a diode in the direction to produce reverse bias. In the image above you can see that an external voltage is applied across the diode. This external bias voltage is designated as v bias just as it was for forwarding bias.

The forward bias and the reverse bias properties of the pn junction imply that it can be used as a diode. Formation of a reverse bias diode. In the reverse bias operation the diode act like an open switch.

Semiconductor diode under reverse bias. Bias is the application of a voltage across a pn junction. The n side of the diode connects to the positive terminal and the p side connects to the negative terminal of the battery.