BC548 Datasheet, PDF (4/4 Pages) Fairchild Semiconductor – NPN General Purpose Amplifier

V_CE = 5 V
T_A = 25°C
2.0
1.0
0.5
0.2
0.1 0.2
1.0
10
100
I_C, COLLECTOR CURRENT (mA)
Figure 7. DC Current Gain
1.0
T_A = 25°C
0.8
V_BE(sat) @ I_C/I_B = 10
0.6
V_BE @ V_CE = 5.0 V
0.4
0.2
V_CE(sat) @ I_C/I_B = 10
0
0.2 0.5 1.0 2.0
5.0 10 20
50 100 200
I_C, COLLECTOR CURRENT (mA)
Figure 8. “On” Voltage
2.0
-1.0
T_A = 25°C
1.6
-1.4
20 mA 50 mA 100 mA
200 mA
1.2
0.8
I_C =
10 mA
-1.8
θ_VB for V_BE
-55°C to 125°C
-2.2
0.4
-2.6
0
0.02
0.05 0.1
0.2 0.5 1.0 2.0
I_B, BASE CURRENT (mA)
5.0 10 20
Figure 9. Collector Saturation Region
-3.0
0.2
0.5 1.0 2.0 5.0 10 20
50 100 200
I_C, COLLECTOR CURRENT (mA)
Figure 10. Base–Emitter Temperature Coefficient
BC546
40
T_A = 25°C
500
V_CE = 5 V
T_A = 25°C
20
C_ib
200
10
100
6.0
50
4.0
C_ob
20
2.0
0.1 0.2
0.5 1.0 2.0 5.0 10 20
V_R, REVERSE VOLTAGE (VOLTS)
Figure 11. Capacitance
50 100
1.0
5.0 10
50 100
I_C, COLLECTOR CURRENT (mA)
Figure 12. Current–Gain – Bandwidth Product
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