100
10
1.0
0.1
0.1
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.1
MMBTA42LT1G, MMBTA43LT1G
Ceb @ 1MHz
Ccb @ 1MHz
1.0
10
100
VR, REVERSE VOLTAGE (VOLTS)
Figure 2. Capacitance
80
70
60
50
40
30
TJ = 25°C
VCE = 20 V
20
f = 20 MHz
10
1000
1.0
2.0 3.0 5.0 7.0 10
20 30 50 70 100
IC, COLLECTOR CURRENT (mA)
Figure 3. Current−Gain − Bandwidth
1.0
10
IC, COLLECTOR CURRENT (mA)
Figure 4. “ON” Voltages
1
0.1
0.01
100
1.0 s
10 ms
VCE(sat) @ 25°C, IC/IB = 10
VCE(sat) @ 125°C, IC/IB = 10
VCE(sat) @ -55°C, IC/IB = 10
VBE(sat) @ 25°C, IC/IB = 10
VBE(sat) @ 125°C, IC/IB = 10
VBE(sat) @ -55°C, IC/IB = 10
VBE(on) @ 25°C, VCE = 10 V
VBE(on) @ 125°C, VCE = 10 V
VBE(on) @ -55°C, VCE = 10 V
0.001
1
10
100
VCE, COLLECTOR−EMITTER VOLTAGE (V)
Figure 5. Safe Operating Area
1000
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