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Saturation Drift Velocity Formula

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Saturated Drift Velocity in BJT is the maximum velocity a charge carrier in a semiconductor. Check FAQs

V sc = \frac{L min}{Γ avg}

V_sc - Saturated Drift Velocity in BJT?L_min - Emitter to Collector Distance?Γ_avg - Average Time to Traverse Emitter to Collector?

Saturation Drift Velocity Example

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Here is how the Saturation Drift Velocity equation looks like with Values.

Here is how the Saturation Drift Velocity equation looks like with Units.

Here is how the Saturation Drift Velocity equation looks like.

5 = \frac{2.125}{0.425}

5m/s = \frac{2.125μm}{0.425μs}

5 = \frac{2.125}{0.425}

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Saturation Drift Velocity Solution

Follow our step by step solution on how to calculate Saturation Drift Velocity?

FIRST Step Consider the formula

V sc = \frac{L min}{Γ avg}

Next Step Substitute values of Variables

∴

V sc = \frac{2.125μm}{0.425μs}

Next Step Convert Units

∴

V sc = \frac{2.1E-6m}{4.3E-7s}

Next Step Prepare to Evaluate

∴

V sc = \frac{2.1E-6}{4.3E-7}

LAST Step Evaluate

∴

V sc = 5m/s

Saturation Drift Velocity Formula Elements

Variables

Saturated Drift Velocity in BJT

Saturated Drift Velocity in BJT is the maximum velocity a charge carrier in a semiconductor.

Symbol: V_sc

Measurement: SpeedUnit: m/s

Note: Value should be greater than 0.

Formulas to find Saturated Drift Velocity in BJT

Emitter to Collector Distance

Emitter to collector distance is total distance between emitter to collector junction.

Symbol: L_min

Measurement: LengthUnit: μm

Note: Value can be positive or negative.

Formulas to find Emitter to Collector Distance

Average Time to Traverse Emitter to Collector

Average time to traverse emitter to collector is defined as the time taken by the electron to travel from emitter junction to collector.

Symbol: Γ_avg

Measurement: TimeUnit: μs

Note: Value should be greater than 0.

Formulas to find Average Time to Traverse Emitter to Collector

Other formulas in BJT Microwave Devices category

Go Cut-off Frequency of Microwave

f co = \frac{1}{2 \cdot π \cdot τ ec}

Go Base Transit Time

τ b = τ ec - (τ scr + τ c + τ e)

Go Base Collector Delay Time

τ scr = τ ec - (τ c + τ b + τ e)

Go Collector Charging Time

τ c = τ ec - (τ scr + τ b + τ e)

How to Evaluate Saturation Drift Velocity?

Saturation Drift Velocity evaluator uses Saturated Drift Velocity in BJT = Emitter to Collector Distance/Average Time to Traverse Emitter to Collector to evaluate the Saturated Drift Velocity in BJT, The Saturation Drift Velocity formula is defined as the maximum velocity a charge carrier in a semiconductor, generally, an electron attains in the presence of very high electric fields. Charge carriers normally move at an average drift speed proportional to the electric field strength they experience temporally. Saturated Drift Velocity in BJT is denoted by V_sc symbol.

How to evaluate Saturation Drift Velocity using this online evaluator? To use this online evaluator for Saturation Drift Velocity, enter Emitter to Collector Distance (L_min) & Average Time to Traverse Emitter to Collector (Γ_avg) and hit the calculate button.

FAQs on Saturation Drift Velocity

What is the formula to find Saturation Drift Velocity?

The formula of Saturation Drift Velocity is expressed as Saturated Drift Velocity in BJT = Emitter to Collector Distance/Average Time to Traverse Emitter to Collector. Here is an example- 5E+6 = 2.125E-06/4.25E-07.

How to calculate Saturation Drift Velocity?

With Emitter to Collector Distance (L_min) & Average Time to Traverse Emitter to Collector (Γ_avg) we can find Saturation Drift Velocity using the formula - Saturated Drift Velocity in BJT = Emitter to Collector Distance/Average Time to Traverse Emitter to Collector.

Can the Saturation Drift Velocity be negative?

No, the Saturation Drift Velocity, measured in Speed cannot be negative.

Which unit is used to measure Saturation Drift Velocity?

Saturation Drift Velocity is usually measured using the Meter per Second[m/s] for Speed. Meter per Minute[m/s], Meter per Hour[m/s], Kilometer per Hour[m/s] are the few other units in which Saturation Drift Velocity can be measured.

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