Fall Time in Basic Transistor Devices Formulas

Fall Time is the time taken for the collector current to reach from 90% of its maximum value to 10% of its initial value in a transistor device. And is denoted by T_f. Fall Time is usually measured using the Second for Time. Note that the value of Fall Time is always positive.

Basic Transistor Devices formulas that make use of Fall Time

fxBJT Turn OFF TimeGo

fxMOSFET Turn Off TimeGo

FAQ

What is the Fall Time?

Fall Time is the time taken for the collector current to reach from 90% of its maximum value to 10% of its initial value in a transistor device. Fall Time is usually measured using the Second for Time. Note that the value of Fall Time is always positive.

Can the Fall Time be negative?

No, the Fall Time, measured in Time cannot be negative.

What unit is used to measure Fall Time?

Fall Time is usually measured using the Second[s] for Time. Millisecond[s], Microsecond[s], Nanosecond[s] are the few other units in which Fall Time can be measured.

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