MMBT2222LT1 MMBT2222ALT1
SWITCHING TIME EQUIVALENT TEST CIRCUITS
+30 V
+16 V
0
-2 V
1.0 to 100
µs,
DUTY CYCLE
≈
2.0%
1 kΩ
200
+16 V
0
< 2 ns
C
S
* < 10 pF
1.0 to 100
µs,
DUTY CYCLE
≈
2.0%
1k
1N914
+30 V
200
-14 V
< 20 ns
C
S
* < 10 pF
-4 V
Scope rise time < 4 ns
*Total shunt capacitance of test jig, connectors, and oscilloscope.
Figure 1. Turn–On Time
Figure 2. Turn–Off Time
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
5.0 7.0 10
20 30
I
C
, COLLECTOR CURRENT (mA)
50
70
100
200
300
500 700 1.0 k
Figure 3. DC Current Gain
VCE , COLLECTOR-EMITTER VOLTAGE (VOLTS)
1.0
0.8
0.6
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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