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Dated : 07/12/2002
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
ST 2SC2668
Characteristics at Tamb=25
OC
Symbol
Min.
Typ.
Max.
Unit
R
hFE
40
-
80
-
O
hFE
70
-
140
-
DC Current Gain
at VCE=6V, IC=1mA
Current Gain Group
Y
hFE
100
-
200
-
Collector Cutoff Current
at VCB=40V
ICBO
-
-
0.5
μA
Emitter Cutoff Current
at VEB=4V
IEBO
-
-
0.5
μA
Reverse Transfer Capacitance
at VCE=6V, f=1MHz
Cre
-
0.70
-
pF
Transition Frequency
at VCE=6V, IC=1mA
fT
-
550
-
MHz
Collector Base Time Constant
at VCE=6V, IE=-1mA,f=30MHz
CC
.rbb’
-
-
30
ps
Noise Figure
at VCC=6V, f=100MHz, IE=-1mA
NF
-
2.5
5.0
dB
Power Gain
at VCC=6V, f=100MHz, IE=-1mA
Gpe
-
18
-
dB
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