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BFR181 Datasheet, PDF (5/7 Pages) Siemens Semiconductor Group – NPN Silicon RF Transistor (For low noise, high-gain broadband amplifiers at collector currents from 0.5 mA to 12mA)
BFR181
Total power dissipation Ptot = f (TS)
200
mW
160
140
TS
120
100
80
60
40
20
00 20 40 60 80 100 120 °C 150
TS
Permissible Pulse Load RthJS = f (tp)
10 3
Permissible Pulse Load
Ptotmax/PtotDC = f (tp)
10 2
K/W
10 2
0.5
0.2
0.1
0.05
0.02
0.01
0.005
D=0
-
D=0
0.005
0.01
0.02
10 1
0.05
0.1
0.2
0.5
10
1
10
-7
10 -6
10 -5
10 -4
10 -3
10 -2
s 10 0
tp
10
0
10
-7
10 -6
10 -5
10 -4
10 -3
10 -2
s 10 0
tp
5
Jul-30-2001