MMBT2222LT1, MMBT2222ALT1
1000
700
500
hFE , DC CURRENT GAIN
300
200
100
70
50
30
20
10
0.1
0.2
0.3
0.5 0.7
1.0
2.0
3.0
25°C
−55°C
V
CE
= 1.0 V
V
CE
= 10 V
5.0 7.0 10
20 30
I
C
, COLLECTOR CURRENT (mA)
50
70
100
200
300
500 700 1.0 k
T
J
= 125°C
Figure 3. DC Current Gain
VCE , COLLECTOR−EMITTER VOLTAGE (VOLTS)
1.0
T
J
= 25°C
0.8
0.6
I
C
= 1.0 mA
10 mA
150 mA
500 mA
0.4
0.2
0
0.005
0.01
0.02 0.03
0.05
0.1
0.2
0.3
0.5
1.0
I
B
, BASE CURRENT (mA)
2.0
3.0
5.0
10
20
30
50
Figure 4. Collector Saturation Region
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