A |
Ampere (AC rms or DC) |
hie |
Common emitter small-signal
short-circuit input impedance (base input) |
a |
Ampere (peak) |
hob |
Common base small-signal
open-circuit output admittance (emitter input) |
B |
Base electrode |
hoc |
Common collector small-signal
open-circuit output admittance (base input) |
BV |
Breakdown voltage |
hoe |
Common emitter small-signal
open-circuit output admittance (base input) |
BVCOB |
Breakdown voltage,
collector-to-base junction reverse biased (emitter open) |
hrb |
Common base small signal
open-circuit reverse transfer voltage ratio (emitter input) |
BVCEO |
Breakdown voltage,
collector-to-emitter junction reverse biased (base open) |
hrc |
Common collector small signal
open-circuit reverse transfer voltage ratio (base input) |
BVCER |
Breakdown voltage,
collector-to-emitter junction reverse biased (specified resistance) |
hre |
Common emitter small signal
open-circuit reverse transfer voltage ratio (base input) |
BVCES |
Breakdown voltage,
collector-to-emitter junction reverse biased (base shorted) |
isurge |
Surge current |
BVCEX |
Breakdown voltage,
collector-to-emitter junction reverse biased (base-emitter back biased) |
IB |
Average base current (DC) |
C |
Capacitance; collector
electrode |
Ib |
Instantaneous base current
(AC rms) |
Ce |
Internal collector junction
capacitance. |
ib |
Base current (peak) |
C(dep) |
Depletion layer capacitance |
mW |
Milliwatt (Max., Average, or
rms) |
C(dif) |
Diffusion capacitance |
mw |
Milliwatt (peak) |
Cib |
Input Capacitance, common
base |
NF |
Noise figure |
IC |
Collector current (DC) |
nsec |
Nanosecond (Millimicrosecond) |
Ic |
Collector current (AC rms) |
P |
Power dissipation of all
terminals (average total) |
ic |
Collector current (peak) |
p |
Power dissipation of all
terminals (peak) |
ICBO, ICO |
Collector cutoff current
(emitter open) |
Pb |
Power dissipation of base
(average) |
ICEO |
Collector cutoff current
(base open) |
pb |
Power dissipation of base
(peak) |
ICER |
Collector cutoff current
(specified resistance base-emitter) |
Pc |
Power dissipation of
collector (average) |
ICERV |
Collector cutoff current
(reverse voltage on base) |
pc |
Power dissipation of
collector (peak) |
IE |
Average emitter current (DC) |
Pd |
Power dissipation of device
(average) |
Ie |
Instantaneous emitter current
(AC rms) |
Pe |
Power dissipation of emitter
(average) |
ie |
Instantaneous emitter current
(peak) |
pe |
Power dissipation of emitter
(peak) |
IEBO |
Emitter cutoff current
(collector open) |
PIV |
Peak inverse voltage |
IF |
Forward current (DC) |
Q |
Transistor |
iF |
Forward current (DC) |
rb', rBB' |
Internal base spreading
resistance |
iFr |
Forward recovery current
(specified instantaneous value) |
RB |
External base resistance |
IO |
Output current (DC) |
RC |
External collector resistance |
IR |
Reverse current (DC) |
RE |
External emitter resistance |
iR |
Reverse current (peak) |
Rsat |
Saturation resistance |
iRr |
Reverse recovery current
(specified instantaneous value) |
RL |
Resistance, load |
IZ |
Average Zener current |
T |
Temperature |
IZK |
Zener knee current |
t |
Time |
IZM |
Zener maximum current |
TA |
Temperature, ambient |
IZT |
Zener test current |
TC |
Temperature, case |
iZ |
Instantaneous Zener current
(AC rms) |
TCBV |
Temperature coefficient of
breakdown voltage |
K |
Kilohm |
td |
Pulse delay time |
LC |
Conversion loss |
tf |
Pulse fall time |
mA |
Milliampere (average) |
tfr |
Forward recovery time |
ma |
Milliampere (peak) |
Tj |
Junction temperature |
mAa-c |
Milliampere (AC rms) |
tP |
Pulse time |
mAd-c |
Milliampere (DC) |
tr |
Pulse rise time |
µA |
Microampere (average) |
ts |
Pulse storage time |
µa |
Microampere (peak) |
V |
Volt (DC) |
CL |
Load capacitance |
v |
Volt (peak) |
Cob |
Output capacitance, common
base |
Va-c |
Volt (AC) |
Coe |
Output capacitance, common
emitter |
VBB |
Base voltage (DC) supply |
E |
Emitter electrode |
VBE |
Emitter voltage (DC) (base to
emitter) |
fab |
Common base small-signal
short-circuit forward current transfer-ratio cutoff frequency (emitter input) |
VCC |
Collector voltage (DC) supply |
fae |
Common emitter small-signal
short-circuit forward current transfer-ratio cutoff frequency |
VCEsat |
Collector to emitter
saturation voltage |
fref |
Reference frequency |
VEC |
Emitter voltage (DC) (emitter
to collector) |
fosc |
Maximum frequency of
oscillation |
VEE |
Emitter voltage (DC) supply |
fpg |
Power gain cutoff frequency |
Vfe |
Floating potential |
Gb |
Power gain (common base) |
VF |
Forward voltage drop |
Gc |
Power gain (common collector) |
VO |
Output voltage (DC) |
Ge |
Power gain (common emitter) |
vO |
Output voltage (DC) |
gM, gFE |
Static or DC transconductance |
VPT |
Voltage, punch-through |
gm |
Small-signal transconductance |
VR |
Reverse voltage (DC) |
GM, GFE |
Large-signal transconductance |
Vr |
Reverse voltage (peak) |
hfb |
Common base small signal
short-circuit forward current transfer-ratio |
VZ |
Zener voltage |
hfe |
Common emitter small-signal
short-circuit forward current transfer-ratio (base input) |
W |
Watts (Max., Average, or rms) |
hFE |
Common emitter DC
short-circuit forward current transfer-ratio current gain (IC / IB) |
w |
Watts (peak) |
HFE |
Common emitter large-signal
short-circuit forward current transfer-ratio |
Zz |
Zener impedance |
hib |
Common base small-signal
short-circuit input impedance (emitter input) |
Zzk |
Zener impedance, knee |
|
|
Zzt |
Zener impedance, test |