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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 2SC1674
Characteristics at Tamb=25
OC
Symbol
Min.
Typ.
Max.
Unit
DC Current Gain
at VCE=6V, IC=1mA
Current Gain Group R
O
Y
hFE
hFE
hFE
40
70
120
-
-
-
80
140
240
-
-
-
Collector Base Breakdown Voltage
at IC=10μA
V(BR)CBO
30
-
-
V
Collector Emitter Breakdown Voltage
at IC=5mA
V(BR)CEO
20
-
-
V
Emitter Base Breakdown Voltage
at IE=10μA
V(BR)EBO
4
-
-
V
Collector Cutoff Current
at VCB=30V
ICBO
-
-
0.1
μA
Emitter Cutoff Current
at VEB=4V
IEBO
-
-
0.1
μA
Collector Saturation Voltage
at IC=10mA, IB=1mA
VCE(sat)
-
0.1
0.3
V
Base Emitter On Voltage
at VCE=6V, IC=1mA
VBE(on)
-
0.72
-
V
Gain Bandwidth Product
at VCE=6V, IC=1mA
fT
400
600
-
MHz
Output Capacitance
at VCB=6V, f=1MHz
COB
-
1.2
-
pF
Common Source Noise Figure
at VCE=6V, f=100MHz, IE=1mA, RS=50Ω
NF
-
3
5
dB
Power Gain
at VCE=6V, f=100MHz, IE=1mA, RS=50Ω
Gpe
18
22
-
dB
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