| 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 |
