Diode Equation Calculator

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✖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_s]			+10% -10%
✖Voltage across diode is the voltage applied across the terminals of the diode.ⓘ Voltage across diode [V_d]			+10% -10%

✖Diode Current is the current passing through the diode.ⓘ Diode Equation [I_D]

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Payal Priya

Birsa Institute of Technology (BIT), Sindri

Payal Priya has created this Calculator and 300+ more calculators!

Urvi Rathod

Vishwakarma Government Engineering College (VGEC), Ahmedabad

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< 11 Other formulas that you can solve using the same Inputs

Base current when saturation current in DC is given

Base Current=(Saturation current/Common emitter current gain)*e^(Voltage across the base–emitter junction/Thermal voltage)+Saturation Vapour Pressure at Water Surface*e^(Voltage across base-collector junction/Thermal voltage) GO

Collector current when saturation current of DC is given

Collector current=Saturation current*e^(Voltage across the base–emitter junction/Thermal voltage)-Saturation current for DC*e^(Voltage across base-collector junction/Thermal voltage) GO

Emitter current when common-emitter current gain is given

Emitter current=((Common emitter current gain+1)/Common emitter current gain)*Saturation current*e^(Voltage across the base–emitter junction/Thermal voltage) GO

Diode Equation

Diode Equation=Saturation current*(2.71^(Voltage across diode/(Emission coefficient or ideality factor*Volts-Equivalent of Temperature))-1) GO

Non-Ideal Diode Equation

Diode Current=Saturation current*(e^(([Charge-e]*Voltage across diode)/(Emission coefficient or ideality factor*[BoltZ]*Temperature))-1) GO

Base Current 2 of BJT

Base Current 2=(Saturation current/Common emitter current gain)*(e^(Voltage across the base–emitter junction/Thermal voltage)) GO

Emitter current when constant of the transistor is given

Emitter current=(Saturation current/Common-base current gain.)*e^(Voltage across the base–emitter junction/Thermal voltage) GO

Collector current when saturation current is given

Collector current=Saturation current*e^(Voltage across the base–emitter junction/Thermal voltage) GO

Collector Current of BJT

Collector current=Saturation current*e^(Voltage across the base–emitter junction/Thermal voltage) GO

Collector current of PNP transistor

Collector current=Saturation current*e^(Voltage across emitter-base junction/Thermal voltage) GO

Ideal Diode Equation

Diode Current=Saturation current*(e^([Charge-e]*Voltage)/([BoltZ]*Temperature)-1) GO

< 2 Other formulas that calculate the same Output

Non-Ideal Diode Equation

Diode Current=Saturation current*(e^(([Charge-e]*Voltage across diode)/(Emission coefficient or ideality factor*[BoltZ]*Temperature))-1) GO

Ideal Diode Equation

Diode Current=Saturation current*(e^([Charge-e]*Voltage)/([BoltZ]*Temperature)-1) GO

Diode Equation Formula

Diode Current=Saturation current*(e^(Voltage across diode/0.026)-1)
ID=Is*(e^(Vd/0.026)-1)

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How do diode work?

The most common function of a diode is to allow an electric current to pass in one direction (called the diode's forward direction) while blocking it in the opposite direction (the reverse direction). ... Forms of rectifiers, diodes can be used for such tasks as extracting modulation from radio signals in radio receivers.

How to Calculate Diode Equation?

Diode Equation calculator uses Diode Current=Saturation current*(e^(Voltage across diode/0.026)-1) to calculate the Diode Current, The Diode Equation gives an expression for the current through a diode as a function of voltage. It is dependent on the device temperature. Diode Current and is denoted by I_D symbol.

How to calculate Diode Equation using this online calculator? To use this online calculator for Diode Equation, enter Saturation current (I_s) and Voltage across diode (V_d) and hit the calculate button. Here is how the Diode Equation calculation can be explained with given input values -> ∞ = 0.01*(e^(100/0.026)-1).

FAQ

What is Diode Equation?

The Diode Equation gives an expression for the current through a diode as a function of voltage. It is dependent on the device temperature and is represented as I_D=I_s*(e^(V_d/0.026)-1) or Diode Current=Saturation current*(e^(Voltage across diode/0.026)-1). Saturation current is the diode leakage current density in the absence of light. It is an important parameter which differentiates one diode from another and Voltage across diode is the voltage applied across the terminals of the diode.

How to calculate Diode Equation?

The Diode Equation gives an expression for the current through a diode as a function of voltage. It is dependent on the device temperature is calculated using Diode Current=Saturation current*(e^(Voltage across diode/0.026)-1). To calculate Diode Equation, you need Saturation current (I_s) and Voltage across diode (V_d). With our tool, you need to enter the respective value for Saturation current and Voltage across diode 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 Diode Current?

In this formula, Diode Current uses Saturation current and Voltage across diode. We can use 2 other way(s) to calculate the same, which is/are as follows -

Diode Current=Saturation current*(e^([Charge-e]*Voltage)/([BoltZ]*Temperature)-1)
Diode Current=Saturation current*(e^(([Charge-e]*Voltage across diode)/(Emission coefficient or ideality factor*[BoltZ]*Temperature))-1)

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