What are these transistor "terms"?

Question

I finally got a circuit simulator, and it asked me for these, "terms" if you will.

Nf

Vaf

Bf

And what looks like ls (I THINK that's an L...)

The only "terms" I learned about transistors were things like gain and how much a transistor could handle.

Any help please?

Answer 1

AREA [–] area factor

TMP [K] device Temperature

IS     [A] transport saturation current

BF   [–] ideal maximum forward beta

NF   [–] forward current emission coefficient

VAF [V] forward Early voltage

IKF   [A] corner for forward beta high current roll-off

ISE [A] B-E leakage saturation current

NE   [–] B-E leakage emission coefficient

BR   [–] ideal maximum reverse beta

NR [–] reverse current emission coefficient

VAR [V] reverse Early voltage

IKR        [A] corner for reverse beta high current roll-off

ISC [A] B-C leakage saturation current

NC   [–] B-C leakage emission coefficient

RB   [Ω] zero bias base resistance

IRB [A] current where base resistance falls halfway to its min value

RBM [Ω] minimum base resistance at high currents

RE   [Ω] emitter resistance

RC   [Ω] collector resistance

CJE [F] B-E zero-bias depletion capacitance

VJE [V] B-E built-in potential

MJE [–] B-E junction exponential factor

TF   [s] ideal forward transit time

XTF [–] coefficient for bias dependence of TF

VTF [V] voltage describing VBC dependence of TF

ITF [A] high-current parameter for effect on TF

PTF [deg] excess phase at freq=1.0/(TF*2PI)Hz

CJC [F] B-C zero-bias depletion capacitance

VJC [V] B-C built-in potential

MJC [–] B-C junction exponential factor

XCJC [–] fraction of B-C depletion capacitance connected to internal base node

TR   [s] ideal reverse transit time

CJS [F] zero-bias collector-substrate capacitance

VJS [V] substrate junction built-in potential

MJS [–] substrate junction exponential factor

XTB [–] forward and reverse beta temperature exponent

EG   [eV] energy gap for temperature effect on IS

XTI [–] temperature exponent for effect on IS

KF   [–] flicker-noise coeficient!!

AF   [–] flicker-noise exponent

FC   [–] coefficient for forward-bias depletion capacitance formula

TNOM [K] measurement (nominal) temperature