BC548B 查看數據表（PDF） - Micro Commercial Components
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BC548B Datasheet PDF : 5 Pages
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BC546 thru BC548
VCE = 5 V
TA = 25°C
2.0
1.0
0.5
0.2
0.1 0.2
1.0
10
100
IC, COLLECTOR CURRENT (mA)
Figure 7. DC Current Gain
BC547/BC548
MCC
TM
Micro Commercial Components
1.0
TA = 25°C
0.8
VBE(sat) @ IC/IB = 10
0.6
VBE @ VCE = 5.0 V
0.4
0.2
VCE(sat) @ IC/IB = 10
0
0.2 0.5 1.0 2.0
5.0 10 20
50 100 200
IC, COLLECTOR CURRENT (mA)
Figure 8. “On” Voltage
2.0
-1.0
TA = 25°C
1.6
-1.4
20 mA 50 mA 100 mA
200 mA
1.2
0.8
IC =
10 mA
-1.8
θVB for VBE
-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
IB, 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
IC, COLLECTOR CURRENT (mA)
Figure 10. Base–Emitter Temperature Coefficient
BC546
40
TA = 25°C
500
VCE = 5 V
TA = 25°C
20
Cib
200
10
100
6.0
50
4.0
Cob
20
2.0
0.1 0.2
0.5 1.0 2.0 5.0 10 20
VR, REVERSE VOLTAGE (VOLTS)
Figure 11. Capacitance
50 100
1.0
5.0 10
50 100
IC, COLLECTOR CURRENT (mA)
Figure 12. Current–Gain – Bandwidth Product
Revision: D
www.mccsemi.com
4 of 5
2013/01/01
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