WOST04 thru
WOST12
10
1
110
100
90
80
70
60
50
40
30
20
10
0
Peak Pluse Power
8/20µs
Average Power
0.1
0
25
50
Lead
75
100
L (ºC)
125
150
0.01
0.1
1
10
Pulse Duration - t (µs)
100
1000
Temperature - T
d
FIG.2 Power Derating Curve
FIG.1 Peak Pulse Power vs. Pulse Time
110
tf
Test
Waveform
Parameters
100
90
80
70
60
50
40
30
20
10
0
Peak Value Ipp
t = 8µs
f
t = 20µs
d
-t
e
t
td= IPP/2
0
5
10
15
20
25
30
Time (µs)
FIG.3 Pulse Waveform
WEITRON
http://www.weitron.com.tw
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25-Apr-07