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BFP490 Datasheet, PDF (6/8 Pages) Siemens Semiconductor Group – NPN Silicon RF Transistor (Q62702-F1721)
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BFP 490
Total power dissipation Ptot = f (TA*, TS)
* Package mounted on epoxy
1200
mW
1000
900
800
700
600
500
400
300
200
100
0
0
TS
TA
20 40 60 80 100 120 °C 150
TA,TS
Permissible Pulse Load RthJS = f (tp)
Transition frequency fT = f (IC)
f = 200 MHz
VCE = parameter in V
20
GHz
16
14
3
1
0.5
12
10
8
6
4
2
0
0
50 100 150 200 250 300 350 400 mA 500
IC
Permissible Pulse Load
Ptotmax/PtotDC = f (tp)
10 2
10 2
K/W
10 1
0.5
0.2
0.1
0.05
0.02
0.01
0.005
D=0
-
D=0
0.005
0.01
10 1
0.02
0.05
0.1
0.2
0.5
10
0
10
-7
10 -6
10 -5
10 -4
10 -3
10 -2
s 10 0
tp
SSeemmicioconndduuctcotor rGGrorouupp
66
10
0
10
-7
10 -6
10 -5
10 -4
10 -3
10 -2
s 10 0
tp
Sep-109998-1-1919-081
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