FormulaDen.com

Physics Chemistry Math Chemical Engineering Civil Electrical Electronics Electronics and Instrumentation Materials Science Mechanical Production Engineering Financial Health

Emitter Current given Saturation Current Formula

GoEmitter Current using Common Emitter Current Gain Formula

GoEmitter Current using Collector Current and Current Gain Formula

Fx Copy

LaTeX Copy

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

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

I_e - Emitter Current?I_sat - Saturation Current?α - Common-Base Current Gain?V_BE - Base-Emitter Voltage?V_t - Thermal Voltage?

Emitter Current given Saturation Current Example

With values

With units

Only example

Here is how the Emitter Current given Saturation Current equation looks like with Values.

Here is how the Emitter Current given Saturation Current equation looks like with Units.

Here is how the Emitter Current given Saturation Current equation looks like.

0.5685 = (\frac{1.675}{0.985}) \cdot e^{- \frac{5.15}{4.7}}

0.5685mA = (\frac{1.675mA}{0.985}) \cdot e^{- \frac{5.15V}{4.7V}}

0.5685 = (\frac{1.675}{0.985}) \cdot e^{- \frac{5.15}{4.7}}

Tip: Use pencil ( Pencil

) icon above to edit Input Values and Units.

Calculate

Recalculate

Solution

Copy

Reset

You are here -

Home » Category

Engineering » Category

Electronics » Category

Analog Electronics » fx Emitter Current given Saturation Current

Emitter Current given Saturation Current Solution

Follow our step by step solution on how to calculate Emitter Current given Saturation Current?

FIRST Step Consider the formula

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

Next Step Substitute values of Variables

∴

I e = (\frac{1.675mA}{0.985}) \cdot e^{- \frac{5.15V}{4.7V}}

Next Step Convert Units

∴

I e = (\frac{0.0017A}{0.985}) \cdot e^{- \frac{5.15V}{4.7V}}

Next Step Prepare to Evaluate

∴

I e = (\frac{0.0017}{0.985}) \cdot e^{- \frac{5.15}{4.7}}

Next Step Evaluate

∴

I e = 0.000568463667204731A

Next Step Convert to Output's Unit

∴

I e = 0.568463667204731mA

LAST Step Rounding Answer

∴

I e = 0.5685mA

Emitter Current given Saturation Current Formula Elements

Variables

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

Saturation Current

Saturation Current is the diode leakage current density in the absence of light. It is an important parameter which differentiates one diode from another.

Symbol: I_sat

Measurement: Electric CurrentUnit: mA

Note: Value should be greater than 0.

Formulas to find Saturation Current

Common-Base Current Gain

Common-base current gain α is related to β common-emitter current gain and its value is less than 1 because collector current is always less than emitter current due to recombination of electrons.

Symbol: α

Measurement: NAUnit: Unitless

Note: Value should be less than 1.

Formulas to find Common-Base Current Gain

Base-Emitter Voltage

Base-Emitter Voltage is the forward voltage between the base and emitter of the transistor.

Symbol: V_BE

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Base-Emitter Voltage

Thermal Voltage

Thermal Voltage is the voltage produced within the p-n junction.

Symbol: V_t

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Thermal Voltage

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 through Minority Carrier Concentration

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

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 given Saturation Current?

Emitter Current given Saturation Current evaluator uses Emitter Current = (Saturation Current/Common-Base Current Gain)*e^(-Base-Emitter Voltage/Thermal Voltage) to evaluate the Emitter Current, The Emitter Current given Saturation Current is provided is the combination of the collector AND the base current combined, the. load resistance in this type of transistor configuration also has both the collector current and the input current of the. base flowing through it. Emitter Current is denoted by I_e symbol.

How to evaluate Emitter Current given Saturation Current using this online evaluator? To use this online evaluator for Emitter Current given Saturation Current, enter Saturation Current (I_sat), Common-Base Current Gain (α), Base-Emitter Voltage (V_BE) & Thermal Voltage (V_t) and hit the calculate button.

FAQs on Emitter Current given Saturation Current

What is the formula to find Emitter Current given Saturation Current?

The formula of Emitter Current given Saturation Current is expressed as Emitter Current = (Saturation Current/Common-Base Current Gain)*e^(-Base-Emitter Voltage/Thermal Voltage). Here is an example- 568.4637 = (0.001675/0.985)*e^(-5.15/4.7).

How to calculate Emitter Current given Saturation Current?

With Saturation Current (I_sat), Common-Base Current Gain (α), Base-Emitter Voltage (V_BE) & Thermal Voltage (V_t) we can find Emitter Current given Saturation Current using the formula - Emitter Current = (Saturation Current/Common-Base Current Gain)*e^(-Base-Emitter Voltage/Thermal Voltage).

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 given Saturation Current be negative?

Yes, the Emitter Current given Saturation Current, measured in Electric Current can be negative.

Which unit is used to measure Emitter Current given Saturation Current?

Emitter Current given Saturation Current 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 given Saturation Current can be measured.

Let Others Know

✖

Facebook

Twitter

Copied!

Emitter Current given Saturation Current Formula

​GoEmitter Current using Common Emitter Current Gain Formula

​GoEmitter Current using Collector Current and Current Gain Formula

Emitter Current given Saturation Current Example

Emitter Current given Saturation Current Solution

Emitter Current given Saturation Current Formula Elements

Other Formulas to find Emitter Current

Other formulas in Emitter Current category

How to Evaluate Emitter Current given Saturation Current?

FAQs on Emitter Current given Saturation Current

Variable Name

GoEmitter Current using Common Emitter Current Gain Formula

GoEmitter Current using Collector Current and Current Gain Formula