SR3.3
PROTECTION PRODUCTS
Typical Characteristics
Non-Repetitive Peak Pulse Power vs. Pulse Time
10
1
0.1
0.01
110
100
90
80
70
60
50
40
30
20
10
0
Power Derating Curve
0.1
1
10
100
1000
0
25
50
75
100
125
150
Pulse Duration - tp (μs)
Pulse Waveform
Ambient Temperature - T A ( o C)
Clamping Voltage vs. Peak Pulse Current
110
100
90
80
Waveform
Parameters:
tr = 8 μ s
td = 20 μ s
16
14
12
Line-To-Line
70
60
50
40
30
e
-t
td = I PP /2
10
8
6
Line-To-Ground
20
10
0
0
5
10
15
Time ( μ s)
20
25
30
4
2
0
0
2
4
6
8
Waveform
Parameters:
tr = 8μs
td = 20μs
10
12
Peak Pulse Current - I PP (A)
Forward Voltage vs. Forward Current
10
9
8
7
6
5
4
3
2
1
0
Waveform
Parameters:
tr = 8μs
td = 20μs
0
5
10
15
20
25
30
35
40
45
50
Forward Current - I F (A)
? 2008 Semtech Corp.
3
www.semtech.com
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