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Dated : 07/08/2003
®
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
ST 2SC3731
Gain bandwidth product
vs. emitter current
IE, mA
100
10
-1
-10
1000
VCE= 20V
-100
VCE= 1V
DC current gain vs. collector current
50
0.1
20
10
I C, mA
110 20
200
100
1000
500
100
0.1
0.4
0
VBE, V
0.8
1.2
10
100
Collector current vs. base emitter voltage
1
VCE= 1V
Collector current vs.
collector em itter voltage
VCE (V)
90
8
0
4
20
16
12
40
I B =10
A
30
20
20
10
30
60
80
70
50
VCE (V)
Collector current vs.
collector em itter voltage
0.8
50
0
40
0
40
20
0.4
60
100
80
700
2.0
1.2
1.6
1m A
800
900
300
I B =100
A
200
400
600
500
Total power dissipation vs.
am bient tem perature
Am bient tem perature Ta (
C)
100
0
50
100
300
400
200
200
150