Collector Current of BJT Solution

STEP 0: Pre-Calculation Summary
Formula Used
Collector Current = Emitter Current-Base Current
Ic = Ie-IB
This formula uses 3 Variables
Variables Used
Collector Current - (Measured in Ampere) - Collector current is an amplified output current of a bipolar junction transistor.
Emitter Current - (Measured in Ampere) - Emitter Current is the amplified output current of a bipolar junction transistor.
Base Current - (Measured in Ampere) - Base Current is a crucial current of bipolar junction transistor. Without the base current, the transistor cannot turn on.
STEP 1: Convert Input(s) to Base Unit
Emitter Current: 5.077 Milliampere --> 0.005077 Ampere (Check conversion here)
Base Current: 0.077 Milliampere --> 7.7E-05 Ampere (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Ic = Ie-IB --> 0.005077-7.7E-05
Evaluating ... ...
Ic = 0.005
STEP 3: Convert Result to Output's Unit
0.005 Ampere -->5 Milliampere (Check conversion here)
FINAL ANSWER
5 Milliampere <-- Collector Current
(Calculation completed in 00.004 seconds)

Credits

Created by Payal Priya
Birsa Institute of Technology (BIT), Sindri
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Vishwakarma Government Engineering College (VGEC), Ahmedabad
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9 Collector Current Calculators

Collector Current when Saturation Current due to DC Voltage
Go Collector Current = Saturation Current*e^(Base-Emitter Voltage/Thermal Voltage)-Saturation Current for DC*e^(Base-Collector Voltage/Thermal Voltage)
Collector Current using Early Voltage for NPN Transistor
Go Collector Current = Saturation Current*e^(Base-Collector Voltage/Thermal Voltage)*(1+Collector-Emitter Voltage/Supply Voltage)
Collector Current given Early Voltage for PNP Transistor
Go Collector Current = Saturation Current*e^(-Base-Emitter Voltage/Thermal Voltage)*(1+Collector-Emitter Voltage/Supply Voltage)
Collector Current using Saturation Current
Go Collector Current = Saturation Current*e^(Base-Emitter Voltage*[Charge-e]/([BoltZ]*300))
Collector Current using Leakage Current
Go Collector Current = (Base Current*Common Emitter Current Gain)+Collector Emitter Leakage Current
Collector Current of PNP Transistor
Go Collector Current = Saturation Current*(e^(Base-Emitter Voltage/Thermal Voltage))
Collector Current of PNP Transistor when Common-Emitter Current Gain
Go Collector Current = Forced Common-Emitter Current Gain*Base Current
Collector Current using Emitter Current
Go Collector Current = Common-Base Current Gain*Emitter Current
Collector Current of BJT
Go Collector Current = Emitter Current-Base Current

20 BJT Circuit Calculators

Transition Frequency of BJT
Go Transition Frequency = Transconductance/(2*pi*(Emitter-Base Capacitance+Collector-Base Junction Capacitance))
Base Current of PNP Transistor using Saturation Current
Go Base Current = (Saturation Current/Common Emitter Current Gain)*e^(Base-Emitter Voltage/Thermal Voltage)
Total Power Dissipated in BJT
Go Power = Collector-Emitter Voltage*Collector Current+Base-Emitter Voltage*Base Current
Unity-Gain Bandwidth of BJT
Go Unity-Gain Bandwidth = Transconductance/(Emitter-Base Capacitance+Collector-Base Junction Capacitance)
Reference Current of BJT Mirror
Go Reference Current = Collector Current+(2*Collector Current)/Common Emitter Current Gain
Common Mode Rejection Ratio
Go Common Mode Rejection Ratio = 20*log10(Differential Mode Gain/Common Mode Gain)
Output Resistance of BJT
Go Resistance = (Supply Voltage+Collector-Emitter Voltage)/Collector Current
Thermal Equilibrium Concentration of Minority Charge Carrier
Go Thermal Equilibrium Concentration = ((Intrinsic Carrier Density)^2)/Doping Concentration of Base
Output Voltage of BJT Amplifier
Go Output Voltage = Supply Voltage-Drain Current*Load Resistance
Total Power Supplied in BJT
Go Power = Supply Voltage*(Collector Current+Input Current)
Common-Base Current Gain
Go Common-Base Current Gain = Common Emitter Current Gain/(Common Emitter Current Gain+1)
Collector to Emitter Voltage at Saturation
Go Collector-Emitter Voltage = Base-Emitter Voltage-Base-Collector Voltage
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
Collector Current using Emitter Current
Go Collector Current = Common-Base Current Gain*Emitter Current
Base Current of PNP Transistor using Common-Base Current Gain
Go Base Current = (1-Common-Base Current Gain)*Emitter Current
Collector Current of BJT
Go Collector Current = Emitter Current-Base Current
Emitter Current of BJT
Go Emitter Current = Collector Current+Base Current
Short-Circuit Transconductance
Go Transconductance = Output Current/Input Voltage
Intrinsic Gain of BJT
Go Intrinsic Gain = Early Voltage/Thermal Voltage

Collector Current of BJT Formula

Collector Current = Emitter Current-Base Current
Ic = Ie-IB

On what factors does collector current of BJT depends?

Ic (collector current) is independent of the value of VCB.(voltage across base-emitter junction) That
is, as long as the collector is positive with respect to the base, the electrons that reach the collector side of the base region will be swept into the collector and will register as a collector
current.

How to Calculate Collector Current of BJT?

Collector Current of BJT calculator uses Collector Current = Emitter Current-Base Current to calculate the Collector Current, The Collector Current of BJT carried by the electrons that reach the collector region. Its direction will be opposite to that of the flow of electrons, and thus into the collector terminal. Collector Current is denoted by Ic symbol.

How to calculate Collector Current of BJT using this online calculator? To use this online calculator for Collector Current of BJT, enter Emitter Current (Ie) & Base Current (IB) and hit the calculate button. Here is how the Collector Current of BJT calculation can be explained with given input values -> 5000 = 0.005077-7.7E-05.

FAQ

What is Collector Current of BJT?
The Collector Current of BJT carried by the electrons that reach the collector region. Its direction will be opposite to that of the flow of electrons, and thus into the collector terminal and is represented as Ic = Ie-IB or Collector Current = Emitter Current-Base Current. Emitter Current is the amplified output current of a bipolar junction transistor & Base Current is a crucial current of bipolar junction transistor. Without the base current, the transistor cannot turn on.
How to calculate Collector Current of BJT?
The Collector Current of BJT carried by the electrons that reach the collector region. Its direction will be opposite to that of the flow of electrons, and thus into the collector terminal is calculated using Collector Current = Emitter Current-Base Current. To calculate Collector Current of BJT, you need Emitter Current (Ie) & Base Current (IB). With our tool, you need to enter the respective value for Emitter Current & Base Current 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 Collector Current?
In this formula, Collector Current uses Emitter Current & Base Current. We can use 9 other way(s) to calculate the same, which is/are as follows -
  • Collector Current = Saturation Current*e^(Base-Emitter Voltage/Thermal Voltage)-Saturation Current for DC*e^(Base-Collector Voltage/Thermal Voltage)
  • Collector Current = (Base Current*Common Emitter Current Gain)+Collector Emitter Leakage Current
  • Collector Current = Forced Common-Emitter Current Gain*Base Current
  • Collector Current = Saturation Current*e^(Base-Collector Voltage/Thermal Voltage)*(1+Collector-Emitter Voltage/Supply Voltage)
  • Collector Current = Saturation Current*e^(-Base-Emitter Voltage/Thermal Voltage)*(1+Collector-Emitter Voltage/Supply Voltage)
  • Collector Current = Common-Base Current Gain*Emitter Current
  • Collector Current = Saturation Current*e^(Base-Emitter Voltage*[Charge-e]/([BoltZ]*300))
  • Collector Current = Saturation Current*(e^(Base-Emitter Voltage/Thermal Voltage))
  • Collector Current = Common-Base Current Gain*Emitter Current
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