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Dated : 05/04/2003
®
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
ST 2SC4115
100
20
10
Cob
Collector base voltage, v
Emitter base voltage, v
0.2
0.1
2
110
50
20
200
Collector output capacitance
vs.collector base voltage
Emitter input capacitance vs.
emitter base voltage
Cob
f=1MHz
Ta=25 C
1000
2
-1
1
-200
EMITTER CURRENT, mA
-20
-2
-10
-100
-1000
Ta=25 C
VCE=2V
GAIN BANDWIDTH PRODUCT
VS.EMITTER CURRENT
10
20
100
200
1000
-40 C
25 C
0.05
COLLECTOR CURRENT, A
COLLECTOR EMITTER SATURATION
VOLTAGE vs. COLLECTOR CURRENT (2)
COLLECTOR CURRENT, A
5m 0.01
1m 2m
5
10
50
20
2
0.5 1
0.1 0.2
0.05
5
10
0.05
COLLECTOR CURRENT, A
5m 0.01
1m 2m
1m
2m
10m
5m
5
1
0.5
0.2
0.1
2
0.01
5m
1m
2m
10
0.01
2m
1m
5m
COLLECTOR EMITTER SATURATION
VOLTAGE vs. COLLECTOR CURRENT (1)
DC CURRENT GAIN VS.
COLLECTOR CURRENT
200
100
1000
500
VCE=2V
2000
5000
25 C
-40 C
Ta=100 C
50m
20m
0.2
0.1
I C/IB=10
1
0.5
25 C
-40 C
Ta=100 C
1
0.5
0.2
0.1
0.05
0.02
I C/IB=20
10
5
2
1
0.5
0.1 0.2
Ta=100 C
0.02
0.4
Base emiter voltage,V
2m
5m
1m
0.01
0
0.8
1.2
1.4
Ta=100 C
Grounded emitter
propagation characteristics
2
1
0.5
0.2
0.1
0.05
25 C
-40 C
5
10
VCE=2V
10mA
15mA
20mA
Ta=25 C
GROUNDED EMITTER OUTPUT
CHARACTERISTICS (2)
I B=0A
COLLECTOR EMITTER VOLTAGE, V
1.0
COLLECTOR EMITTER VOLTAGE, V
0.4
0
0
0.2
1.2
0.8
0.4
0.6
I B=0A
0.8
4mA
2mA
GROUNDED EMITTER OUTPUT
CHARACTERISTICS (1)
1.6
2
20mA
18mA
16mA
10mA
14mA
12mA
8mA
6mA
Ta=25 C
1
0
0
1
2
3
3
24
5mA
45mA
5
4
50mA
35mA
40mA
25mA
30mA
5
20m
COLLECTOR CURRENT, A
2m
1m
1m
2m
10m
0.2
0.1
2
1
10
5m
10m
50m
20m
I C/IB=20
0.2
0.1
0.5
1
Ta=100 C
25 C
-40 C
COLLECTOR EMITTER SATURATION
VOLTAGE vs. COLLECTOR CURRENT (3)
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