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Saturation Current Density Calculator

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✖Diffusion Coefficient of Hole is a measure of the ease of the hole motion through the crystal lattice. It is related to the mobility of the carrier, hole in this case.ⓘ Diffusion Coefficient of Hole [D_h]			+10% -10%
✖Diffusion Length of Hole is the characteristic distance the holes travel before recombining during the diffusion process.ⓘ Diffusion Length of Hole [L_h]			+10% -10%
✖Hole Concentration in n-Region is the number of holes per unit volume in the n type doped region of the p-n junction.ⓘ Hole Concentration in n-Region [p_n]			+10% -10%
✖Electron Diffusion Coefficient is a measure of the ease of electron motion through the crystal lattice. It is related to the mobility of the carrier, electron in this case.ⓘ Electron Diffusion Coefficient [D_E]			+10% -10%
✖Diffusion Length of Electron is the characteristic distance the electrons travel before recombining during the diffusion process.ⓘ Diffusion Length of Electron [L_e]			+10% -10%
✖Electron Concentration in p-Region is the number of electrons per unit volume in the p type doped region of the p-n junction.ⓘ Electron Concentration in p-Region [n_p]			+10% -10%

✖Saturation Current Density is the current flow per unit area of the pn junction when a few volts of reverse bias is applied to the junction.ⓘ Saturation Current Density [J₀]

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Saturation Current Density Solution

STEP 0: Pre-Calculation Summary

Formula Used

Saturation Current Density = [Charge-e]*((Diffusion Coefficient of Hole)/Diffusion Length of Hole*Hole Concentration in n-Region+(Electron Diffusion Coefficient)/Diffusion Length of Electron*Electron Concentration in p-Region)
J₀ = [Charge-e]*((D_h)/L_h*p_n+(D_E)/L_e*n_p)
This formula uses 1 Constants, 7 Variables

Constants Used

[Charge-e] - Charge of electron Value Taken As 1.60217662E-19

Variables Used

Saturation Current Density - (Measured in Ampere per Square Meter) - Saturation Current Density is the current flow per unit area of the pn junction when a few volts of reverse bias is applied to the junction.
Diffusion Coefficient of Hole - (Measured in Square Meter Per Second) - Diffusion Coefficient of Hole is a measure of the ease of the hole motion through the crystal lattice. It is related to the mobility of the carrier, hole in this case.
Diffusion Length of Hole - (Measured in Meter) - Diffusion Length of Hole is the characteristic distance the holes travel before recombining during the diffusion process.
Hole Concentration in n-Region - (Measured in 1 per Cubic Meter) - Hole Concentration in n-Region is the number of holes per unit volume in the n type doped region of the p-n junction.
Electron Diffusion Coefficient - (Measured in Square Meter Per Second) - Electron Diffusion Coefficient is a measure of the ease of electron motion through the crystal lattice. It is related to the mobility of the carrier, electron in this case.
Diffusion Length of Electron - (Measured in Meter) - Diffusion Length of Electron is the characteristic distance the electrons travel before recombining during the diffusion process.
Electron Concentration in p-Region - (Measured in 1 per Cubic Meter) - Electron Concentration in p-Region is the number of electrons per unit volume in the p type doped region of the p-n junction.

STEP 1: Convert Input(s) to Base Unit

Diffusion Coefficient of Hole: 0.0012 Square Meter Per Second --> 0.0012 Square Meter Per Second No Conversion Required
Diffusion Length of Hole: 0.35 Millimeter --> 0.00035 Meter (Check conversion here)
Hole Concentration in n-Region: 256000000000 1 per Cubic Meter --> 256000000000 1 per Cubic Meter No Conversion Required
Electron Diffusion Coefficient: 0.003387 Square Meter Per Second --> 0.003387 Square Meter Per Second No Conversion Required
Diffusion Length of Electron: 0.71 Millimeter --> 0.00071 Meter (Check conversion here)
Electron Concentration in p-Region: 25500000000 1 per Cubic Meter --> 25500000000 1 per Cubic Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

J₀ = [Charge-e]*((D_h)/L_h*p_n+(D_E)/L_e*n_p) --> [Charge-e]*((0.0012)/0.00035*256000000000+(0.003387)/0.00071*25500000000)

Evaluating ... ...

J₀ = 1.60115132367406E-07

STEP 3: Convert Result to Output's Unit

1.60115132367406E-07 Ampere per Square Meter --> No Conversion Required

FINAL ANSWER

1.60115132367406E-07 ≈ 1.6E-7 Ampere per Square Meter <-- Saturation Current Density

(Calculation completed in 00.020 seconds)

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Created by Priyanka G Chalikar

The National Institute Of Engineering (NIE), Mysuru

Priyanka G Chalikar has created this Calculator and 10+ more calculators!

Verified by Santhosh Yadav

Dayananda Sagar College Of Engineering (DSCE), Banglore

Santhosh Yadav has verified this Calculator and 50+ more calculators!

< Photonics Devices Calculators

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Saturation Current Density Formula

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What is Saturation Current?

Saturation Current is the part of the reverse current in a diode caused by diffusion of minority carriers from the neutral regions to the depletion region. It is also known as scale current.

How to Calculate Saturation Current Density?

Saturation Current Density calculator uses Saturation Current Density = [Charge-e]*((Diffusion Coefficient of Hole)/Diffusion Length of Hole*Hole Concentration in n-Region+(Electron Diffusion Coefficient)/Diffusion Length of Electron*Electron Concentration in p-Region) to calculate the Saturation Current Density, The Saturation Current Density formula is defined as the current flow per unit area of the pn junction when a few volts of reverse bias is applied to the junction. Saturation Current Density is denoted by J₀ symbol.

How to calculate Saturation Current Density using this online calculator? To use this online calculator for Saturation Current Density, enter Diffusion Coefficient of Hole (D_h), Diffusion Length of Hole (L_h), Hole Concentration in n-Region (p_n), Electron Diffusion Coefficient (D_E), Diffusion Length of Electron (L_e) & Electron Concentration in p-Region (n_p) and hit the calculate button. Here is how the Saturation Current Density calculation can be explained with given input values -> 1.6E-7 = [Charge-e]*((0.0012)/0.00035*256000000000+(0.003387)/0.00071*25500000000).

FAQ

What is Saturation Current Density?

The Saturation Current Density formula is defined as the current flow per unit area of the pn junction when a few volts of reverse bias is applied to the junction and is represented as J₀ = [Charge-e]*((D_h)/L_h*p_n+(D_E)/L_e*n_p) or Saturation Current Density = [Charge-e]*((Diffusion Coefficient of Hole)/Diffusion Length of Hole*Hole Concentration in n-Region+(Electron Diffusion Coefficient)/Diffusion Length of Electron*Electron Concentration in p-Region). Diffusion Coefficient of Hole is a measure of the ease of the hole motion through the crystal lattice. It is related to the mobility of the carrier, hole in this case, Diffusion Length of Hole is the characteristic distance the holes travel before recombining during the diffusion process, Hole Concentration in n-Region is the number of holes per unit volume in the n type doped region of the p-n junction, Electron Diffusion Coefficient is a measure of the ease of electron motion through the crystal lattice. It is related to the mobility of the carrier, electron in this case, Diffusion Length of Electron is the characteristic distance the electrons travel before recombining during the diffusion process & Electron Concentration in p-Region is the number of electrons per unit volume in the p type doped region of the p-n junction.

How to calculate Saturation Current Density?

The Saturation Current Density formula is defined as the current flow per unit area of the pn junction when a few volts of reverse bias is applied to the junction is calculated using Saturation Current Density = [Charge-e]*((Diffusion Coefficient of Hole)/Diffusion Length of Hole*Hole Concentration in n-Region+(Electron Diffusion Coefficient)/Diffusion Length of Electron*Electron Concentration in p-Region). To calculate Saturation Current Density, you need Diffusion Coefficient of Hole (D_h), Diffusion Length of Hole (L_h), Hole Concentration in n-Region (p_n), Electron Diffusion Coefficient (D_E), Diffusion Length of Electron (L_e) & Electron Concentration in p-Region (n_p). With our tool, you need to enter the respective value for Diffusion Coefficient of Hole, Diffusion Length of Hole, Hole Concentration in n-Region, Electron Diffusion Coefficient, Diffusion Length of Electron & Electron Concentration in p-Region and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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