BC817.../BC818...
Total power dissipation
P
tot
=
ƒ
(
T
S
)
BC817, BC818: - - - , BC817K, BC818K: ___
Total power dissipation
P
tot
=
ƒ
(
T
S
)
BC817W/KW, BC818W/KW
550
mW
550
mW
450
400
BC817K, BC818K
BC817, BC818
450
400
P
tot
350
300
250
200
150
100
50
0
0
15
30
45
60
75
90 105 120
°C
150
P
tot
350
300
250
200
150
100
50
0
0
15
30
45
60
75
90 105 120
°C
150
T
S
T
S
Permissible Pulse Load
R
thJS
=
ƒ
(
t
p
)
BC817, BC818
10
3
Permissible Pulse Load
P
totmax
/
P
totDC
=
ƒ
(
t
p
)
BC817, BC818
10
4
-
10
2
P
totmax
/P
totDC
10
3
R
thJS
10
1
10
0
D = 0,5
0,2
0,1
0,05
0,02
0,01
0,005
0
10
2
D=0
0.005
0.01
0.02
0.05
0.1
0.2
0.5
10
1
10
-1 -6
10
10
-5
10
-4
10
-3
10
-2
s
10
0
10
0 -6
10
10
-5
10
-4
10
-3
10
-2
s
10
0
t
p
t
p
7
2008-04-11