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Ideal Diode Equation Formula

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Diode Current is defined as the net current that flows through a semiconductor diode. Check FAQs

I d = I o \cdot (e^{\frac{[Charge-e] \cdot V d}{[BoltZ] \cdot T}} - 1)

I_d - Diode Current?I_o - Reverse Saturation Current?V_d - Diode Voltage?T - Temperature?[Charge-e] - Charge of electron?[BoltZ] - Boltzmann constant?

Ideal Diode Equation Example

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With units

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Here is how the Ideal Diode Equation equation looks like with Values.

Here is how the Ideal Diode Equation equation looks like with Units.

Here is how the Ideal Diode Equation equation looks like.

12299.5337 = 0.46 \cdot (e^{\frac{1.6E-19 \cdot 0.6}{1.4E-23 \cdot 290}} - 1)

12299.5337A = 0.46µA \cdot (e^{\frac{1.6E-19C \cdot 0.6V}{1.4E-23J/K \cdot 290K}} - 1)

12299.5337 = 0.46 \cdot (e^{\frac{1.6E-19 \cdot 0.6}{1.4E-23 \cdot 290}} - 1)

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Ideal Diode Equation Solution

Follow our step by step solution on how to calculate Ideal Diode Equation?

FIRST Step Consider the formula

I d = I o \cdot (e^{\frac{[Charge-e] \cdot V d}{[BoltZ] \cdot T}} - 1)

Next Step Substitute values of Variables

∴

I d = 0.46µA \cdot (e^{\frac{[Charge-e] \cdot 0.6V}{[BoltZ] \cdot 290K}} - 1)

Next Step Substitute values of Constants

∴

I d = 0.46µA \cdot (e^{\frac{1.6E-19C \cdot 0.6V}{1.4E-23J/K \cdot 290K}} - 1)

Next Step Convert Units

∴

I d = 4.6E-7A \cdot (e^{\frac{1.6E-19C \cdot 0.6V}{1.4E-23J/K \cdot 290K}} - 1)

Next Step Prepare to Evaluate

∴

I d = 4.6E-7 \cdot (e^{\frac{1.6E-19 \cdot 0.6}{1.4E-23 \cdot 290}} - 1)

Next Step Evaluate

∴

I d = 12299.5336689406A

LAST Step Rounding Answer

∴

I d = 12299.5337A

Ideal Diode Equation Formula Elements

Variables

Constants

Diode Current

Diode Current is defined as the net current that flows through a semiconductor diode.

Symbol: I_d

Measurement: Electric CurrentUnit: A

Note: Value can be positive or negative.

Formulas to find Diode Current

Reverse Saturation Current

Reverse Saturation Current is the part of the reverse current in a semiconductor diode caused by diffusion of minority carriers from the neutral regions to the depletion region.

Symbol: I_o

Measurement: Electric CurrentUnit: µA

Note: Value can be positive or negative.

Formulas to find Reverse Saturation Current

Diode Voltage

Diode Voltage is the voltage applied across the terminals of the diode.

Symbol: V_d

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Diode Voltage

Temperature

Temperature is the degree or intensity of heat present in a substance or object.

Symbol: T

Measurement: TemperatureUnit: K

Note: Value can be positive or negative.

Formulas to find Temperature

Charge of electron

Charge of electron is a fundamental physical constant, representing the electric charge carried by an electron, which is the elementary particle with a negative electric charge.

Symbol: [Charge-e]

Value: 1.60217662E-19 C

Boltzmann constant

Boltzmann constant relates the average kinetic energy of particles in a gas with the temperature of the gas and is a fundamental constant in statistical mechanics and thermodynamics.

Symbol: [BoltZ]

Value: 1.38064852E-23 J/K

Other formulas in Diode Characteristics category

Go Voltage Equivalent of Temperature

V temp = \frac{T room}{11600}

Go Responsivity

R = \frac{I p}{P o}

Go Zener Current

I z = \frac{V i - V z}{R z}

Go Zener Voltage

V z = R z \cdot I z

How to Evaluate Ideal Diode Equation?

Ideal Diode Equation evaluator uses Diode Current = Reverse Saturation Current*(e^(([Charge-e]*Diode Voltage)/([BoltZ]*Temperature))-1) to evaluate the Diode Current, Ideal Diode Equation equation describes the behavior of an ideal diode in an electronic circuit under forward bias conditions. An ideal diode is a theoretical concept that serves as a simplified model of a real diode. It assumes that the diode has zero resistance when conducting in the forward direction and infinite resistance when reverse-biased, among other simplifications. Diode Current is denoted by I_d symbol.

How to evaluate Ideal Diode Equation using this online evaluator? To use this online evaluator for Ideal Diode Equation, enter Reverse Saturation Current (I_o), Diode Voltage (V_d) & Temperature (T) and hit the calculate button.

FAQs on Ideal Diode Equation

What is the formula to find Ideal Diode Equation?

The formula of Ideal Diode Equation is expressed as Diode Current = Reverse Saturation Current*(e^(([Charge-e]*Diode Voltage)/([BoltZ]*Temperature))-1). Here is an example- 12299.53 = 4.6E-07*(e^(([Charge-e]*0.6)/([BoltZ]*290))-1).

How to calculate Ideal Diode Equation?

With Reverse Saturation Current (I_o), Diode Voltage (V_d) & Temperature (T) we can find Ideal Diode Equation using the formula - Diode Current = Reverse Saturation Current*(e^(([Charge-e]*Diode Voltage)/([BoltZ]*Temperature))-1). This formula also uses Charge of electron, Boltzmann constant .

Can the Ideal Diode Equation be negative?

Yes, the Ideal Diode Equation, measured in Electric Current can be negative.

Which unit is used to measure Ideal Diode Equation?

Ideal Diode Equation is usually measured using the Ampere[A] for Electric Current. Milliampere[A], Microampere[A], Centiampere[A] are the few other units in which Ideal Diode Equation can be measured.

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Ideal Diode Equation Formula

Ideal Diode Equation Example

Ideal Diode Equation Solution

Ideal Diode Equation Formula Elements

Other formulas in Diode Characteristics category

How to Evaluate Ideal Diode Equation?

FAQs on Ideal Diode Equation

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