Dated : 07/06/2003
®
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Collector to Emitter Voltage VCE (V)
Fig.2 Grounded emitter output
characteristics(I)
Collector Current Ic (mA)
Fig.4 DC current gain vs.
collector current (I)
Fig. 1 Grounded emitter
propagation characteristics
Base to emitter voltage VBE(V)
0.1
0.5
0.2
1
2
5
10
20
50
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
20
0
0.4
00.8
2.0
1.2
1.6
80
Ta=25 C
o
60
40
100
I B=0A
0.05mA
0.10mA
0.15mA
0.20mA
0.25mA
0.30mA
0.35mA
0.40mA
0.45mA
0.50mA
Collector to Emitter Voltage VCE (V)
0
0
2
8
412
20
16
Fig.3 Grounded emitter output
characteristics(II)
Ta=25 C
4
6
8
10
o
30 A
27 A
24 A
21 A
18 A
15 A
12 A
9A
6A
3A
I B=0A
20
10
2
0.2 0.5
5 10
100
50
20
200
200
50
100
500
1
Ta=25 C
o
Ta=100 C
o
o
25 C
o
-55 C
VCE=5V
3V
1V
Collector Current Ic (mA)
10
1
0.2
10
0.5
20
2
5
20
50
200
100
200
100
Fig.5 DC current gain vs.
collector current (II)
50
500
VCE=5V
100
Collector Current Ic (mA)
1
0.02
0.01
0.2 0.5
10
2
5
20 50
200
Fig.6 Collector-emitter saturation
voltage vs. collector current
0.05
0.1
0.5
0.2
I C/IB=50
20
10
o
Ta=25 C
VCE=6V
Fig.7 Collector-emitter saturation
voltage vs. collector current(I)
Collector Current Ic (mA)
20
5
210
0.5
0.2
1
0.02
0.01
0.05
0.2
0.1
0.5
200
50 100
Ta=25 C
o
I C/IB=10
5
Collector Current Ic (mA)
0.5
0.2
0.01
12
0.02
50
10
20
100
0.05
0.1
0.2
0.5
I C/IB=50
Fig.8 Collector-emitter saturation
voltage vs. collector current(II)
o
o
o
-55 C
25 C
Ta=100 C
o
Ta=100 C
o
25 C
o
-55 C
-2
Emitter Current I E (mA)
50
-1
-0.5
100
-20
-10
-5
-100
-50
Fig.9 Gain bandwidth product vs.
emitter current
200
500
VCE=6V
ST 2SC2412