Datasheet

2012-08-21
6
SMBT3904...MMBT3904
Total power dissipation P
tot
= ƒ(T
S
)
SMBT3904S
0 15 30 45 60 75 90 105 120
°C
150
T
S
0
25
50
75
100
125
150
175
200
225
250
mW
300
P
tot
Permissible Pulse Load R
thJS
= ƒ(t
p
)
SMBT3904/ MMBT3904
10
-6
10
-5
10
-4
10
-3
10
-2
10
0
s
t
p
-1
10
0
10
1
10
2
10
3
10
K/W
R
thJS
D=0.5
0.2
0.1
0.05
0.02
0.01
0.005
0
Permissible Pulse Load
P
totmax
/P
totDC
= ƒ(t
p
)
SMBT3904/MMBT3904
10
EHP00935
-6
0
10
5
D
=
5
10
1
10
2
3
10
10
-5
10
-4
10
-3
10
-2
10
0
s
0
0.005
0.01
0.02
0.05
0.1
0.2
0.5
-1
10
totmax
tot
P
DC
P
p
t
t
p
=
D
T
t
p
T
Permissible Puls Load R
thJS
= ƒ (t
p
)
SMBT3904S
10
-6
10
-5
10
-4
10
-3
10
-2
10
0
s
t
p
-1
10
0
10
1
10
2
10
3
10
K/W
R
thJS
0.5
0.2
0.1
0.05
0.02
0.01
0.005
D = 0