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Dated : 25/12/2002
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
ST 2SC2458
Characteristics at Tamb=25
oC
Symbol
Min.
Typ.
Max.
Unit
DC Current Gain
at VCE=6V, IC=2mA
Current Gain Group O
Y
G
L
hFE
hFE
hFE
hFE
70
120
200
350
-
-
-
-
140
240
400
700
-
-
-
-
Collector Cutoff Current
at VCB=50V
ICBO
-
-
0.1
μA
Emitter Cutoff Current
at VEB=5V
IEBO
-
-
0.1
μA
Collector Emitter Saturation Voltage
at IC=100mA, IB=10mA
VCE(sat)
-
0.10
0.25
V
Transition Frequency
at VCE=10V, IC=1mA
fT
80
-
-
MHz
Noise Figure
at VCE=6V, IC=0.1mA f=1KHz,Rg=10KΩ
NF
-
1.0
10
dB
Collector Output Capacitance
at VCB=10V, f=1MHz
COB
-
2.0
3.5
pF