Base Current 2 of BJT Calculator

✖Saturation Current is the diode leakage current density in the absence of light. It is an important parameter which differentiates one diode from another.ⓘ Saturation Current [I_sat]			+10% -10%
✖Common emitter current gain is influenced by 2 factors: width of base region W, and relative dopings of base region and emitter region. Its range varies from 50-200.ⓘ Common Emitter Current Gain [β]			+10% -10%
✖Base-Emitter Voltage is the forward voltage between the base and emitter of the transistor.ⓘ Base-Emitter Voltage [V_BE]			+10% -10%
✖Thermal Voltage is the voltage produced within the p-n junction.ⓘ Thermal Voltage [V_t]			+10% -10%

✖Base Current is a crucial current of bipolar junction transistor. Without the base current, the transistor cannot turn on.ⓘ Base Current 2 of BJT [I_B]

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Formula

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Base Current 2 of BJT

Formula

`"I"_{"B"} = ("I"_{"sat"}/"β")*(e^("V"_{"BE"}/"V"_{"t"}))`

Example

`"0.077086mA"=("1.675mA"/"65")*(e^("5.15V"/"4.7V"))`

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Base Current 2 of BJT Solution

STEP 0: Pre-Calculation Summary

Formula Used

Base Current = (Saturation Current/Common Emitter Current Gain)*(e^(Base-Emitter Voltage/Thermal Voltage))
I_B = (I_sat/β)*(e^(V_BE/V_t))
This formula uses 1 Constants, 5 Variables

Constants Used

e - Napier's constant Value Taken As 2.71828182845904523536028747135266249

Variables Used

Base Current - (Measured in Ampere) - Base Current is a crucial current of bipolar junction transistor. Without the base current, the transistor cannot turn on.
Saturation Current - (Measured in Ampere) - Saturation Current is the diode leakage current density in the absence of light. It is an important parameter which differentiates one diode from another.
Common Emitter Current Gain - Common emitter current gain is influenced by 2 factors: width of base region W, and relative dopings of base region and emitter region. Its range varies from 50-200.
Base-Emitter Voltage - (Measured in Volt) - Base-Emitter Voltage is the forward voltage between the base and emitter of the transistor.
Thermal Voltage - (Measured in Volt) - Thermal Voltage is the voltage produced within the p-n junction.

STEP 1: Convert Input(s) to Base Unit

Saturation Current: 1.675 Milliampere --> 0.001675 Ampere (Check conversion here)
Common Emitter Current Gain: 65 --> No Conversion Required
Base-Emitter Voltage: 5.15 Volt --> 5.15 Volt No Conversion Required
Thermal Voltage: 4.7 Volt --> 4.7 Volt No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

I_B = (I_sat/β)*(e^(V_BE/V_t)) --> (0.001675/65)*(e^(5.15/4.7))

Evaluating ... ...

I_B = 7.70863217186262E-05

STEP 3: Convert Result to Output's Unit

7.70863217186262E-05 Ampere -->0.0770863217186262 Milliampere (Check conversion here)

FINAL ANSWER

0.0770863217186262 ≈ 0.077086 Milliampere <-- Base Current

(Calculation completed in 00.021 seconds)

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< 14 Base Current Calculators

Base Current using Saturation Current in DC

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

Saturation Current using Doping Concentration

Go Saturation Current = (Cross-section Area of Base-Emitter Junction*[Charge-e]*Electron Diffusivity*(Intrinsic Carrier Concentration)^2)/(Width of Base Junction*Doping Concentration of Base)

Short Circuit Current Gain of BJT

Go Short-Circuit Current Gain = (Common-Emitter Current Gain at Low Frequency)/(1+Complex Frequency Variable*(Emitter-Base Capacitance+Collector-Base Junction Capacitance)*Input Resistance)

Drain Current given Device Parameter

Go Drain Current = 1/2*Transconductance*Aspect Ratio*(Effective Voltage-Threshold Voltage)^2*(1+Device Parameter*Voltage between Drain and Source)

Base Current 2 of BJT

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

Base Current of PNP Transistor using Saturation Current

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

Reference Current of BJT Mirror

Go Reference Current = Collector Current+(2*Collector Current)/Common Emitter Current Gain

Reference Current of BJT Current Mirror

Go Reference Current = (Supply Voltage-Base-Emitter Voltage)/Resistance

Reference Current of BJT Mirror given Collector Current

Go Reference Current = Collector Current*(1+2/Common Emitter Current Gain)

Base Current of PNP Transistor given Emitter Current

Go Base Current = Emitter Current/(Common Emitter Current Gain+1)

Base Current of PNP Transistor using Collector Current

Go Base Current = Collector Current/Common Emitter Current Gain

Base Current 1 of BJT

Go Base Current = Collector Current/Common Emitter Current Gain

Base Current of PNP Transistor using Common-Base Current Gain

Go Base Current = (1-Common-Base Current Gain)*Emitter Current

Total Base Current

Go Base Current = Base Current 1+Base Current 2

Base Current 2 of BJT Formula

Base Current = (Saturation Current/Common Emitter Current Gain)*(e^(Base-Emitter Voltage/Thermal Voltage))
I_B = (I_sat/β)*(e^(V_BE/V_t))

What are the components of base current?

Base current 2 is due to the holes injected from the base region into the emitter region. This current component is proportional to e^V_BE /V_T.

How to Calculate Base Current 2 of BJT?

Base Current 2 of BJT calculator uses Base Current = (Saturation Current/Common Emitter Current Gain)*(e^(Base-Emitter Voltage/Thermal Voltage)) to calculate the Base Current, The Base Current 2 of BJT is proportional to the number of electrons injected into the base. Base Current is denoted by I_B symbol.

How to calculate Base Current 2 of BJT using this online calculator? To use this online calculator for Base Current 2 of BJT, enter Saturation Current (I_sat), Common Emitter Current Gain (β), Base-Emitter Voltage (V_BE) & Thermal Voltage (V_t) and hit the calculate button. Here is how the Base Current 2 of BJT calculation can be explained with given input values -> 77.08632 = (0.001675/65)*(e^(5.15/4.7)).

FAQ

What is Base Current 2 of BJT?

The Base Current 2 of BJT is proportional to the number of electrons injected into the base and is represented as I_B = (I_sat/β)*(e^(V_BE/V_t)) or Base Current = (Saturation Current/Common Emitter Current Gain)*(e^(Base-Emitter Voltage/Thermal Voltage)). Saturation Current is the diode leakage current density in the absence of light. It is an important parameter which differentiates one diode from another, Common emitter current gain is influenced by 2 factors: width of base region W, and relative dopings of base region and emitter region. Its range varies from 50-200, Base-Emitter Voltage is the forward voltage between the base and emitter of the transistor & Thermal Voltage is the voltage produced within the p-n junction.

How to calculate Base Current 2 of BJT?

The Base Current 2 of BJT is proportional to the number of electrons injected into the base is calculated using Base Current = (Saturation Current/Common Emitter Current Gain)*(e^(Base-Emitter Voltage/Thermal Voltage)). To calculate Base Current 2 of BJT, you need Saturation Current (I_sat), Common Emitter Current Gain (β), Base-Emitter Voltage (V_BE) & Thermal Voltage (V_t). With our tool, you need to enter the respective value for Saturation Current, Common Emitter Current Gain, Base-Emitter Voltage & Thermal Voltage and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Base Current?

In this formula, Base Current uses Saturation Current, Common Emitter Current Gain, Base-Emitter Voltage & Thermal Voltage. We can use 7 other way(s) to calculate the same, which is/are as follows -

Base Current = Collector Current/Common Emitter Current Gain
Base Current = (Saturation Current/Common Emitter Current Gain)*e^(Base-Collector Voltage/Thermal Voltage)+Saturation Vapour Pressure*e^(Base-Collector Voltage/Thermal Voltage)
Base Current = Base Current 1+Base Current 2
Base Current = Collector Current/Common Emitter Current Gain
Base Current = (Saturation Current/Common Emitter Current Gain)*e^(Base-Emitter Voltage/Thermal Voltage)
Base Current = (1-Common-Base Current Gain)*Emitter Current
Base Current = Emitter Current/(Common Emitter Current Gain+1)

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