Append 1 A
Append 1 A
Append 1 A
MKS
Symbol Description
Units
a Acceleration m/s2
a0 Bohr radius m
A Area m2
A* Richardson constant m/s
AC Collector area m2
AE Emitter area m2
b Bimolecular recombination constant m3/s
I Current A
IB Base current of a bipolar transistor A
IC Collector current of a bipolar transistor A
ID Drain current of a MOSFET A
Is Saturation current A
Isc Short circuit current of a solar cell A
J Current density A/m2
Jn Electron current density A/m2
Jp Hole current density A/m2
Boltzmann's constant J/K
k
wavenumber m-1
l Mean free path m
L Length m
LD Debye length m
Ln Electron diffusion length m
Lp Hole diffusion length m
Lx Hole diffusion length m
m Mass kg
m* Effective mass kg
mA Atomic mass kg
m0 Free electron mass kg
me* Effective mass of electrons kg
mh* Effective mass of holes kg
Proton mass kg
M
Multiplication factor
Electron density m-3
Integer
n
Refractive index
Ideality factor
ni Intrinsic carrier density m-3
n(E) Electron density per unit energy and per unit volume m-3
n0 Electron density in thermal equilibrium m-3
ni Intrinsic carrier density m-3
nn Electron density in an n-type semiconductor m-3
nn0 Thermal equilibrium electron density in an n-type semiconductor m-3
np Electron density in a p-type semiconductor m-3
v Velocity m/s
vR Richardson velocity m/s
vsat Saturation velocity m/s
vth Thermal velocity m/s
Potential energy Joule
V
Volume m3
Va Applied voltage V
VA Early voltage V
Vbr Breakdown voltage V
VB Base voltage V
VBE Base-emitter voltage V
VBC Base-collector voltage V
VC Collector voltage V
VCE Collector-emitter voltage V
VD Drain voltage V
VDS Drain-source voltage V
VDS,sat Drain-source saturation voltage V
VE Emitter voltage V
β Current gain
γE Emitter efficiency
Θ Tunnel probability
λ Wavelength m
ν Frequency Hz
σ Conductivity Ω −1m-1
τ Scattering time s
τn Electron lifetime s
τp Hole lifetime s
φ Potential V
φB Barrier height V
φF Bulk potential V
Φ Flux m-2s-1
Ψ Wavefunction
ω Radial frequency rad/s