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BFP450 Datasheet, PDF (5/7 Pages) Siemens Semiconductor Group – NPN Silicon RF Transistor (For medium power amplifiers)
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SIEGET25 BFP450
Total power dissipation Ptot = f (TS)
500
mW
400
350
300
250
200
150
100
50
00 20 40 60 80 100 120 °C 150
TS
Permissible Pulse Load RthJS = f (tp)
10 3
Transition frequency fT = f (IC)
f = 1 GHz
VCE = parameter in V
28
GHz
24
22
20
18
16
14
12
10
8
6
4
2
0
0
2 to 4
1.5
1
0.75
0.5
20
40
60
80 mA
120
IC
Permissible Pulse Load
Ptotmax/PtotDC = f (tp)
10 1
K/W
10 2
10
1
10
-7
10 -6
10 -5
10 -4
0.5
0.2
0.1
0.05
0.02
0.01
0.005
D=0
10 -3 10 -2
s 10 0
tp
D=0
0.005
0.01
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
5
Aug-20-2001
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