Drain Current of Transistor Calculator

✖Fundamental component voltage is the first harmonic of the voltage in the harmonic analysis of the square wave of voltage in an inverter based circuit.ⓘ Fundamental Component Voltage [V_fc]			+10% -10%
✖The total instantaneous drain voltage is the voltage that falls across the gate-source terminal of the transistor.ⓘ Total Instantaneous Drain Voltage [V_d]			+10% -10%
✖Drain resistance is the ratio of change in drain to source voltage to corresponding change in drain current for a constant gate to source voltage.ⓘ Drain Resistance [R_d]			+10% -10%

✖Drain current below threshold voltage is defined as the subthreshold current and varies exponentially with gate to source voltage.ⓘ Drain Current of Transistor [i_d]

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Drain Current of Transistor Solution

STEP 0: Pre-Calculation Summary

Formula Used

Drain Current = (Fundamental Component Voltage+Total Instantaneous Drain Voltage)/Drain Resistance
i_d = (V_fc+V_d)/R_d
This formula uses 4 Variables

Variables Used

Drain Current - (Measured in Ampere) - Drain current below threshold voltage is defined as the subthreshold current and varies exponentially with gate to source voltage.
Fundamental Component Voltage - (Measured in Volt) - Fundamental component voltage is the first harmonic of the voltage in the harmonic analysis of the square wave of voltage in an inverter based circuit.
Total Instantaneous Drain Voltage - (Measured in Volt) - The total instantaneous drain voltage is the voltage that falls across the gate-source terminal of the transistor.
Drain Resistance - (Measured in Ohm) - Drain resistance is the ratio of change in drain to source voltage to corresponding change in drain current for a constant gate to source voltage.

STEP 1: Convert Input(s) to Base Unit

Fundamental Component Voltage: 5 Volt --> 5 Volt No Conversion Required
Total Instantaneous Drain Voltage: 1.284 Volt --> 1.284 Volt No Conversion Required
Drain Resistance: 0.36 Kilohm --> 360 Ohm (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

i_d = (V_fc+V_d)/R_d --> (5+1.284)/360

Evaluating ... ...

i_d = 0.0174555555555556

STEP 3: Convert Result to Output's Unit

0.0174555555555556 Ampere -->17.4555555555556 Milliampere (Check conversion here)

FINAL ANSWER

17.4555555555556 ≈ 17.45556 Milliampere <-- Drain Current

(Calculation completed in 00.004 seconds)

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Created by Payal Priya

Birsa Institute of Technology (BIT), Sindri

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< Transistor Amplifier Characteristics Calculators

Current Flowing through Induced Channel in Transistor given Oxide Voltage

LaTeX Go Output Current = (Mobility of Electron*Oxide Capacitance*(Width of Channel/Length of Channel)*(Voltage across Oxide-Threshold Voltage))*Saturation Voltage between Drain and Source

Current Entering Drain Terminal of MOSFET at Saturation

LaTeX Go Saturation Drain Current = 1/2*Process Transconductance Parameter*(Width of Channel/Length of Channel)*(Effective Voltage)^2

Total Instantaneous Drain Voltage

LaTeX Go Total Instantaneous Drain Voltage = Fundamental Component Voltage-Drain Resistance*Drain Current

Input Voltage in Transistor

LaTeX Go Fundamental Component Voltage = Drain Resistance*Drain Current-Total Instantaneous Drain Voltage

Drain Current of Transistor Formula

LaTeX Go

Drain Current = (Fundamental Component Voltage+Total Instantaneous Drain Voltage)/Drain Resistance
i_d = (V_fc+V_d)/R_d

What is the use of common-gate circuit?

This circuit configuration normally used as a voltage amplifier. The source of FET in this configuration is operating as input and drain as output.

How to Calculate Drain Current of Transistor?

Drain Current of Transistor calculator uses Drain Current = (Fundamental Component Voltage+Total Instantaneous Drain Voltage)/Drain Resistance to calculate the Drain Current, Drain Current of Transistor refers to the flow of current through the collector of a bipolar junction transistor, from the collector to the emitter. Drain Current is denoted by i_d symbol.

How to calculate Drain Current of Transistor using this online calculator? To use this online calculator for Drain Current of Transistor, enter Fundamental Component Voltage (V_fc), Total Instantaneous Drain Voltage (V_d) & Drain Resistance (R_d) and hit the calculate button. Here is how the Drain Current of Transistor calculation can be explained with given input values -> 17499.3 = (5+1.284)/360.

FAQ

What is Drain Current of Transistor?

Drain Current of Transistor refers to the flow of current through the collector of a bipolar junction transistor, from the collector to the emitter and is represented as i_d = (V_fc+V_d)/R_d or Drain Current = (Fundamental Component Voltage+Total Instantaneous Drain Voltage)/Drain Resistance. Fundamental component voltage is the first harmonic of the voltage in the harmonic analysis of the square wave of voltage in an inverter based circuit, The total instantaneous drain voltage is the voltage that falls across the gate-source terminal of the transistor & Drain resistance is the ratio of change in drain to source voltage to corresponding change in drain current for a constant gate to source voltage.

How to calculate Drain Current of Transistor?

Drain Current of Transistor refers to the flow of current through the collector of a bipolar junction transistor, from the collector to the emitter is calculated using Drain Current = (Fundamental Component Voltage+Total Instantaneous Drain Voltage)/Drain Resistance. To calculate Drain Current of Transistor, you need Fundamental Component Voltage (V_fc), Total Instantaneous Drain Voltage (V_d) & Drain Resistance (R_d). With our tool, you need to enter the respective value for Fundamental Component Voltage, Total Instantaneous Drain Voltage & Drain Resistance 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 Drain Current?

In this formula, Drain Current uses Fundamental Component Voltage, Total Instantaneous Drain Voltage & Drain Resistance. We can use 1 other way(s) to calculate the same, which is/are as follows -

Drain Current = Transconductance Parameter*(Voltage across Oxide-Threshold Voltage)*Voltage between Gate and Source

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