SMBTA56/MMBTA56
允许的脉冲负载
R
thjs
=
(t
p
)
允许的脉冲负载
P
totmax
/P
totDC
=
(t
p
)
10
3
K / W
10
4
10
2
P
totmax
/
P
totDC
10
3
10
1
10
2
D=0
0.005
0.01
0.02
0.05
0.1
0.2
0.5
R
thjs
10
0
10
-1 -7
10
0.5
0.2
0.1
0.05
0.02
0.01
0.005
D=0
10
-6
10
1
10
-5
10
-4
10
-3
10
-2
s
10
0
10
0 -7
10
10
-6
10
-5
10
-4
10
-3
10
-2
s
10
0
t
p
t
p
5
2007-04-19
