Electron Diffusivity in BJT Formulas

Electron Diffusivity is the diffusion current is a current in a semiconductor caused by the diffusion of charge carriers (holes and/or electrons). And is denoted by D_n. Electron Diffusivity is usually measured using the Square Centimeter Per Second for Diffusivity. Note that the value of Electron Diffusivity is always negative.

BJT formulas that make use of Electron Diffusivity

fxSaturation Current using Doping ConcentrationGo

fxEmitter Current through Minority Carrier ConcentrationGo

FAQ

What is the Electron Diffusivity?

Electron Diffusivity is the diffusion current is a current in a semiconductor caused by the diffusion of charge carriers (holes and/or electrons). Electron Diffusivity is usually measured using the Square Centimeter Per Second for Diffusivity. Note that the value of Electron Diffusivity is always negative.

Can the Electron Diffusivity be negative?

Yes, the Electron Diffusivity, measured in Diffusivity can be negative.

What unit is used to measure Electron Diffusivity?

Electron Diffusivity is usually measured using the Square Centimeter Per Second[cm²/s] for Diffusivity. Square Meter Per Second[cm²/s], Square Millimeter per Second[cm²/s] are the few other units in which Electron Diffusivity can be measured.

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