BFP640
Total power dissipation P = ƒ(T )
Permissible Pulse Load R
= ƒ(t )
tot
S
thJS
p
10 3
220
mW
180
160
140
120
100
80
K/W
10 2
0.5
0.2
0.1
60
0.05
0.02
0.01
0.005
D = 0
40
20
10 1
0
10 -7 10 -6 10 -5 10 -4 10 -3 10 -2
10 0
°C
s
0
15 30 45 60 75 90 105 120
150
T
tp
S
Permissible Pulse Load
Collector-base capacitance C = ƒ(V
)
CB
cb
P
/P
= ƒ(t )
f = 1MHz
totmax totDC
p
10 1
0.25
pF
D = 0
0.005
0.01
0.02
0.05
0.1
0.15
0.1
-
0.2
0.5
0.05
10 0
0
10 -7 10 -6 10 -5 10 -4 10 -3 10 -2
10 0
0
2
4
6
8
10
14
s
V
t
V
CB
p
Apr-21-2004
5