SR12
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
110
Pulse Duration - tp ( μ s)
Pulse Waveform
33
Ambient Temperature - T A ( o C)
Clamping Voltage vs. Peak Pulse Current
e
100
90
80
70
60
50
-t
Waveform
Parameters:
tr = 8μs
td = 20μs
30
27
24
21
18
15
40
30
20
10
td = I PP /2
12
9
6
3
Waveform
Parameters:
tr = 8 μ s
td = 20 μ s
0
0
5
10
15
20
25
30
0
0
4
8
12
16
20
10
9
8
7
6
5
4
Time (μs)
Forward Voltage vs. Forward Current
0
-2
-4
-6
-8
-10
Peak Pulse Current - I R (A)
Capacitance vs. Reverse Voltage
3
2
1
Waveform
Parameters:
tr = 8 μ s
td = 20 μ s
-12
-14
-16
0
0
5
10
15
20 25 30
Forward Current - I F (A)
35
40
45
50
0
1
2 3 4
Reverse Voltage - V R (V)
5
6
? 2005 Semtech Corp.
3
www.semtech.com
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