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Electronics Engineering

Diffusion constant, mobility and thermal voltage Calculator

Electronics Engineering

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Diffusion constant, mobility and thermal voltage

Equation and meaning

\[D_{n} \cdot \mu_{n} = D_{P} \cdot \mu_{P}\]

Einstein’s Equation: Relation between diffusion constant, mobility and thermal voltage

Variables in this formula

D_n — D N
Enter this value unless it is the selected unknown.
D_P — D P
Enter this value unless it is the selected unknown.
mu_n — Mu N
Enter this value unless it is the selected unknown.
mu_P — Mu P
Enter this value unless it is the selected unknown.
Equation 2

Equation and meaning

\[D_{n} \cdot \mu_{n} = V_{T}\]

Einstein’s Equation: Relation between diffusion constant, mobility and thermal voltage

Variables in this formula

D_n — D N
Enter this value unless it is the selected unknown.
mu_n — Mu N
Enter this value unless it is the selected unknown.
V_T — V T
Enter this value unless it is the selected unknown.
Equation 3

Equation and meaning

\[D_{n} \cdot \mu_{n} = K \cdot T\]

Einstein’s Equation: Relation between diffusion constant, mobility and thermal voltage

Variables in this formula

D_n — D N
Enter this value unless it is the selected unknown.
K — K
Enter this value unless it is the selected unknown.
mu_n — Mu N
Enter this value unless it is the selected unknown.
T — Temperature
Temperature SI unit: K

How to use this calculator

  1. Leave one value emptyThe empty field is automatically treated as the unknown.
  2. Enter known values and unitsChoose N, kgf, dyn, SI or another compatible unit when available.
  3. Review the automatic answerThe result appears immediately and is substituted back into the formula to check the residual.
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