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Emitter Current through Minority Carrier Concentration Formula

GoEmitter Current using Common Emitter Current Gain Formula

GoEmitter Current using Collector Current and Current Gain Formula

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Emitter Current is the amplified output current of a bipolar junction transistor. Check FAQs

I e = A E \cdot [Charge-e] \cdot D n \cdot (- \frac{n po}{W base})

I_e - Emitter Current?A_E - Cross-section Area of Base-Emitter Junction?D_n - Electron Diffusivity?n_po - Thermal Equilibrium Concentration?W_base - Width of Base Junction?[Charge-e] - Charge of electron?

Emitter Current through Minority Carrier Concentration Example

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Here is how the Emitter Current through Minority Carrier Concentration equation looks like with Values.

Here is how the Emitter Current through Minority Carrier Concentration equation looks like with Units.

Here is how the Emitter Current through Minority Carrier Concentration equation looks like.

-0.0051 = 8 \cdot 1.6E-19 \cdot 0.8 \cdot (- \frac{1E+18}{0.002})

-0.0051mA = 8cm² \cdot 1.6E-19C \cdot 0.8cm²/s \cdot (- \frac{1E+181/m³}{0.002m})

-0.0051 = 8 \cdot 1.6E-19 \cdot 0.8 \cdot (- \frac{1E+18}{0.002})

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Emitter Current through Minority Carrier Concentration Solution

Follow our step by step solution on how to calculate Emitter Current through Minority Carrier Concentration?

FIRST Step Consider the formula

I e = A E \cdot [Charge-e] \cdot D n \cdot (- \frac{n po}{W base})

Next Step Substitute values of Variables

∴

I e = 8cm² \cdot [Charge-e] \cdot 0.8cm²/s \cdot (- \frac{1E+181/m³}{0.002m})

Next Step Substitute values of Constants

∴

I e = 8cm² \cdot 1.6E-19C \cdot 0.8cm²/s \cdot (- \frac{1E+181/m³}{0.002m})

Next Step Convert Units

∴

I e = 0.0008m² \cdot 1.6E-19C \cdot 8E-5m²/s \cdot (- \frac{1E+181/m³}{0.002m})

Next Step Prepare to Evaluate

∴

I e = 0.0008 \cdot 1.6E-19 \cdot 8E-5 \cdot (- \frac{1E+18}{0.002})

Next Step Evaluate

∴

I e = -5.126965184E-06A

Next Step Convert to Output's Unit

∴

I e = -0.005126965184mA

LAST Step Rounding Answer

∴

I e = -0.0051mA

Emitter Current through Minority Carrier Concentration Formula Elements

Variables

Constants

Emitter Current

Emitter Current is the amplified output current of a bipolar junction transistor.

Symbol: I_e

Measurement: Electric CurrentUnit: mA

Note: Value can be positive or negative.

Formulas to find Emitter Current

Cross-section Area of Base-Emitter Junction

The Cross-section area of base-emitter junction is the width in the direction perpendicular to the page.

Symbol: A_E

Measurement: AreaUnit: cm²

Note: Value can be positive or negative.

Formulas to find Cross-section Area of Base-Emitter Junction

Electron Diffusivity

Electron Diffusivity is the diffusion current is a current in a semiconductor caused by the diffusion of charge carriers (holes and/or electrons).

Symbol: D_n

Measurement: DiffusivityUnit: cm²/s

Note: Value can be positive or negative.

Formulas to find Electron Diffusivity

Thermal Equilibrium Concentration

Thermal Equilibrium Concentration is defined as the concentration of carriers in an amplifier.

Symbol: n_po

Measurement: Carrier ConcentrationUnit: 1/m³

Note: Value should be greater than 0.

Formulas to find Thermal Equilibrium Concentration

Width of Base Junction

Width of Base junction is the parameter which signifies how wide is the base junction of any analog electronics element.

Symbol: W_base

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Width of Base Junction

Charge of electron

Charge of electron is a fundamental physical constant, representing the electric charge carried by an electron, which is the elementary particle with a negative electric charge.

Symbol: [Charge-e]

Value: 1.60217662E-19 C

Other Formulas to find Emitter Current

Go Emitter Current using Common Emitter Current Gain

I e = (\frac{β + 1}{β}) \cdot I sat \cdot e^{\frac{V BE}{V t}}

Go Emitter Current using Collector Current and Current Gain

I e = (\frac{β + 1}{β}) \cdot I c

Go Emitter Current using Transistor Constant

I e = (\frac{I sat}{α}) \cdot e^{\frac{V BE}{V t}}

Go Emitter Current given Base Current

I e = (I d + 1) \cdot I B

Other formulas in Emitter Current category

Go Emitter Current given Base-Emitter Voltage

I E = I sat \cdot (\exp (\frac{[Charge-e] \cdot V BE}{[BoltZ] \cdot t o} - 1))

How to Evaluate Emitter Current through Minority Carrier Concentration?

Emitter Current through Minority Carrier Concentration evaluator uses Emitter Current = Cross-section Area of Base-Emitter Junction*[Charge-e]*Electron Diffusivity*(-Thermal Equilibrium Concentration/Width of Base Junction) to evaluate the Emitter Current, The Emitter current through minority carrier concentration is the current passing through the emitter because of minority charge carriers i.e. electrons. Emitter Current is denoted by I_e symbol.

How to evaluate Emitter Current through Minority Carrier Concentration using this online evaluator? To use this online evaluator for Emitter Current through Minority Carrier Concentration, enter Cross-section Area of Base-Emitter Junction (A_E), Electron Diffusivity (D_n), Thermal Equilibrium Concentration (n_po) & Width of Base Junction (W_base) and hit the calculate button.

FAQs on Emitter Current through Minority Carrier Concentration

What is the formula to find Emitter Current through Minority Carrier Concentration?

The formula of Emitter Current through Minority Carrier Concentration is expressed as Emitter Current = Cross-section Area of Base-Emitter Junction*[Charge-e]*Electron Diffusivity*(-Thermal Equilibrium Concentration/Width of Base Junction). Here is an example- -5.126965 = 0.0008*[Charge-e]*8E-05*(-1E+18/0.002).

How to calculate Emitter Current through Minority Carrier Concentration?

With Cross-section Area of Base-Emitter Junction (A_E), Electron Diffusivity (D_n), Thermal Equilibrium Concentration (n_po) & Width of Base Junction (W_base) we can find Emitter Current through Minority Carrier Concentration using the formula - Emitter Current = Cross-section Area of Base-Emitter Junction*[Charge-e]*Electron Diffusivity*(-Thermal Equilibrium Concentration/Width of Base Junction). This formula also uses Charge of electron constant(s).

What are the other ways to Calculate Emitter Current?

Here are the different ways to Calculate Emitter Current-

Emitter Current=((Common Emitter Current Gain+1)/Common Emitter Current Gain)*Saturation Current*e^(Base-Emitter Voltage/Thermal Voltage)
Emitter Current=((Common Emitter Current Gain+1)/Common Emitter Current Gain)*Collector Current
Emitter Current=(Saturation Current/Common-Base Current Gain)*e^(Base-Emitter Voltage/Thermal Voltage)

Can the Emitter Current through Minority Carrier Concentration be negative?

Yes, the Emitter Current through Minority Carrier Concentration, measured in Electric Current can be negative.

Which unit is used to measure Emitter Current through Minority Carrier Concentration?

Emitter Current through Minority Carrier Concentration is usually measured using the Milliampere[mA] for Electric Current. Ampere[mA], Microampere[mA], Centiampere[mA] are the few other units in which Emitter Current through Minority Carrier Concentration can be measured.

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Emitter Current through Minority Carrier Concentration Formula

​GoEmitter Current using Common Emitter Current Gain Formula

​GoEmitter Current using Collector Current and Current Gain Formula

Emitter Current through Minority Carrier Concentration Example

Emitter Current through Minority Carrier Concentration Solution

Emitter Current through Minority Carrier Concentration Formula Elements

Other Formulas to find Emitter Current

Other formulas in Emitter Current category

How to Evaluate Emitter Current through Minority Carrier Concentration?

FAQs on Emitter Current through Minority Carrier Concentration

Variable Name

GoEmitter Current using Common Emitter Current Gain Formula

GoEmitter Current using Collector Current and Current Gain Formula