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Dated : 23/05/2002
®
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
ST 2SC2787
Characteristics at Tamb=25
OC
Symbol
Min.
Typ.
Max.
Unit
DC Current Gain*
at VCE=6V, IC=1mA
Current Gain Group M
L
K
hFE
hFE
hFE
40
60
90
-
-
-
80
120
180
-
-
-
Collector Cutoff Current
at VCB=50V
ICBO
-
-
0.1
μA
Emitter Cutoff Current
at VEB=5V
IEBO
-
-
0.1
μA
Base Emitter Voltage*
at VCE=6V, IC=1mA
VBE
0.65
0.7
0.75
V
Collector Saturation Voltage*
at IC=10mA, IB=1mA
VCE(sat)
-
0.08
0.3
V
Gain Bandwidth Product
at VCE=6V, IE=-1mA
fT
150
250
-
MHz
Collector Base Time Constant
at VCB =6V, IE=-10mA, f=31.9MHz
CC․rb’b
-
10
15
Ps
Output Capacitance
at VCB=6V, f=1MHz
COB
-
1.9
2.2
pF
Noise Figure
at VCE=6V, IE=-1mA
at f=1MHz, RG=500Ω
NF
-
2
4
dB
* PW≦350μs, Duty Cycle≦2%