Last Updated on June 9, 2022 by Electricalvolt
In this post, we will discuss the concept of cut-in voltage. The forward voltage at which the diode starts conducting is called the cut-in voltage of the diode. At cut-in voltage, the diode conducts heavily. There is no linear relationship between voltage and current. In short, the diode exhibits non-linear characteristics.
The cut-in voltage of various didoes is different. The silicon & germanium diode have cut-in voltage 0.7 volts & 0.3 volts respectively.
The Schottky diode has a cut-in voltage of 0.15 V. The diode does not allow the current through it if the voltage is less than the specified cut-in voltage of the diode.
The most common function of the diode is to conduct in the forward direction and to remain cut-off during the reverse direction. Thus, the diode conducts only in the forward bias condition and blocks the current in the reverse bias condition. We can say the diode acts as a check valve.
What is cut-off voltage of battery?
In batteries, the cut-off voltage is the specified lower-limit voltage at which battery discharge needs to stop. The battery is out of charge when the battery voltage is equal to its cut-off voltage. The cut-off voltage is usually chosen so that the maximum useful capacity of the battery is achieved.
This is all about the concept of cut in voltage.
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