NPN BJT
Transistors
·
Generic
·
Curated by CircuitSim
·
Used in 4 public circuits
Details
Manufacturer
Generic
Part number
—
Pins
3
Used in
4 circuits
Added
Apr 2026
About this component
Generic NPN bipolar junction transistor for switching, amplification, and biasing circuits.
Parameters
Advanced
14 parameters
TR
Tr
Ideal reverse transit time
— s
TF
Tf
Ideal forward transit time
— s
CJC
Cjc
Base-collector zero-bias depletion capacitance
— F
CJE
Cje
Base-emitter zero-bias depletion capacitance
— F
RE
Re
Emitter ohmic resistance
— Ω
RC
Rc
Collector ohmic resistance
— Ω
RB
Rb
Base ohmic resistance
— Ω
BR
Br
Ideal reverse beta (reverse current gain)
—
VAF
Vaf
Forward Early voltage
— V
NF
Nf
Forward emission coefficient
—
BF
Bf
Ideal forward beta (forward current gain)
—
IS
Is
Transport saturation current
— A
AREA
Area
Device area multiplier; scales transistor currents and conductances.
1
TEMP
Temperature
Operating temperature for this transistor instance.
27 °C
Pins
Pins
3 pins
1
C
Collector terminal.
2
B
Base terminal.
3
E
Emitter terminal.
Public circuits using this component
Circuits
4 circuits
Drop NPN BJT into your circuit
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