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BJT Turn OFF Time Formula

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turn Off time is the sum of storage time (ts ) and fall time (tf ) is defined as the Turn-off time of diode in transistor device. Check FAQs
Toff=Ts+Tf
Toff - Turn OFF Time?Ts - Storage Time?Tf - Fall Time?

BJT Turn OFF Time Example

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With units
Only example

Here is how the BJT Turn OFF Time equation looks like with Values.

Here is how the BJT Turn OFF Time equation looks like with Units.

Here is how the BJT Turn OFF Time equation looks like.

3.399Edit=1.549Edit+1.85Edit
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BJT Turn OFF Time Solution

Follow our step by step solution on how to calculate BJT Turn OFF Time?

FIRST Step Consider the formula
Toff=Ts+Tf
Next Step Substitute values of Variables
∴ Toff=1.549s+1.85s
Next Step Prepare to Evaluate
∴ Toff=1.549+1.85
LAST Step Evaluate
∴Toff=3.399s

BJT Turn OFF Time Formula Elements

Variables
Turn OFF Time
turn Off time is the sum of storage time (ts ) and fall time (tf ) is defined as the Turn-off time of diode in transistor device.
Symbol: Toff
Measurement: TimeUnit: s
Note: Value should be greater than 0.
Formulas to find Turn OFF TimeOpen Variable
Storage Time
Storage Time is the time interval between the trailing edge of the input pulse to the 90% of the maximum value of the output in a BJT.
Symbol: Ts
Measurement: TimeUnit: s
Note: Value should be greater than 0.
Formulas to find Storage TimeOpen Variable
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.
Symbol: Tf
Measurement: TimeUnit: s
Note: Value should be greater than 0.
Formulas to find Fall TimeOpen Variable

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s=tbta

How to Evaluate BJT Turn OFF Time?

BJT Turn OFF Time evaluator uses Turn OFF Time = Storage Time+Fall Time to evaluate the Turn OFF Time, The BJT turn OFF time formula is defined as the time taken by the BJT to turn off completely or to go from conducting state to non-conducting state. Turn OFF Time is denoted by Toff symbol.

How to evaluate BJT Turn OFF Time using this online evaluator? To use this online evaluator for BJT Turn OFF Time, enter Storage Time (Ts) & Fall Time (Tf) and hit the calculate button.

FAQs on BJT Turn OFF Time

What is the formula to find BJT Turn OFF Time?
The formula of BJT Turn OFF Time is expressed as Turn OFF Time = Storage Time+Fall Time. Here is an example- 3.399 = 1.549+1.85.
How to calculate BJT Turn OFF Time?
With Storage Time (Ts) & Fall Time (Tf) we can find BJT Turn OFF Time using the formula - Turn OFF Time = Storage Time+Fall Time.
Can the BJT Turn OFF Time be negative?
No, the BJT Turn OFF Time, measured in Time cannot be negative.
Which unit is used to measure BJT Turn OFF Time?
BJT Turn OFF Time is usually measured using the Second[s] for Time. Millisecond[s], Microsecond[s], Nanosecond[s] are the few other units in which BJT Turn OFF Time can be measured.
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