
RATING AND CHARACTERISTIC CURVES (MMBT3904-G)
General Purpose TransistorGeneral Purpose Transistor
Page 2
QW-BTR01
REV:A
SMD Diodes Specialist
Fig.1 Typical pulsed current gain
V.S. Collector current
400
300
200
100
0
hFE- Typical pulsed current gain
Ic- Collector current (mA)
0.1 1 10 100
VCE=5V
o
125 C
o
125 C
o
125 C
o
125 C
o
125 C
o
125 C
o
125 C
o
25 C
o
125 C
o
125 C
o
125 C
o
-40 C
500
Fig.2 Collector-Emitter saturation
voltage V.S. Collector current
0.10
0.05
VCE(sat)- Collector-Emitter voltage(V)
Ic- Collector current (mA)
0.1 1 10 100
0.15
ß=10
o
-40 C
o
125 C
o
25 C
100
Fig.3 Base-Emitter saturatioin
voltage V.S. Collector current
Ic - Collector current (mA)
0.1 1 10
0.4
0.6
0.8
1
EB ) Bs-e i o ta V
V(sat-aemtter v l ge( )
o
125 C
ß=10
o
-40 C
o
25 C
100
Fig.4 Base-Emitter ON voltage
V.S. Collector current
Ic - Collector current (mA)
0.1 1 10
0.4
0.6
0.8
1
BE ON a t e ( )
V()- B se-emiter voltag V
0.2
VCE=5V
o
125 C
o
125 C
o
125 C
o
125 C
o
125 C
o
125 C
o
125 C
o
25 C
o
125 C
o
125 C
o
125 C
o
-40 C
ICBO- Collector current (nA)
25 50 75
10
500
100
1
0.1
100
Fig.5 Collector-cutoff current V.S.
Ambient temperature
o
TA- Ambient temperature ( C)
125 150
VCB=30V
Fig.6 Capacitance V.S. Reverse
bias voltage
1
2
3
4
5
10
Capacitance (pF)
0.1 1 10 100
Reverse bias voltage (V)
Cobo
f=1.0MHz
Cibo