LESHAN RADIO COMPANY, LTD.
MMBT2907LT1
TYPICAL CHARACTERISTICS
3.0
MMBT2907ALT1
h
FE
, NORMALIZED CURRENT GAIN
2.0
V
CE
= –1.0 V
V
CE
= –10 V
T
J
= 125°C
25°C
1.0
0.7
0.5
–55°C
0.3
0.2
–0.1
–0.2
–0.3
–0.5 –0.7 –1.0
–2.0
–3.0
–5.0 –7.0
–10
–20
–30
–50
–70 –100
–200
–300
–500
I
C
, COLLECTOR CURREN (mA)
Figure 3. DC Current Gain
–1.0
V
CE
, COLLECTOR– EMITTER
VOLTAGE (VOLTS)
–0.8
I
C
= –1.0 mA
–0.6
–10 mA
–100 mA
–500 mA
–0.4
–0.2
0
–0.005–0.01
–0.02 –0.03 –0.05 –0.7 –0.1
–0.2 –0.3
–0.5 –0.7 –1.0
–2.0 –3.0
–5.0 –7.0 –10
–20
–30
–50
I
B
, BASE CURRENT (mA)
Figure 4. Collector Saturation Region
300
200
100
300
V
CC
= –30 V
t
r
I
C
/I
B
= 10
T
J
= 25°C
200
100
V
CC
= –30 V
I
C
/I
B
= 10
t
f
I
B1
= I
B2
T
J
= 25°C
t, TIME (ns)
t, TIME (ns)
70
50
30
20
70
50
30
20
10
7.0
t ’
s
= t
s
– 1/8 t
f
t
d
@ V
BE(off)
= 0 V
10
7.0
5.0
3.0
2.0 V
5.0
3.0
–5.0–7.0 –10
–20 –30
–50 –70 –100
–200 –300 –500
–5.0–7.0 –10
–20 –30
–50 –70 –100
–200 –300 –500
I
C
, COLLECTOR CURRENT
I
C
, COLLECTOR CURRENT (mA)
Figure 5. Turn–On Time
Figure 6. Turn–Off Time
O8–3/4
LRC [ LESHAN RADIO COMPANY ]
