Engineering Data
Derating Curves
Derating for Ambient Temperatures
Power rating
15 W
Output voltage
5 V
12 V
(1)
15 V
24 V
36 V
---
48 V
---
(1)
110
100
90
80
70
60
50
40
30
20
10
0
−30 −20 −10
0
10 20 30 40 50 60 70 80
Ambient temperature (°C)
(4)
110
100
90
80
70
60
50
40
30
20
10
0
−30 −20 −10
0
10 20 30 40 50 60 70 80
Ambient temperature (°C)
(7)
110
100
90
80
70
60
50
40
30
20
10
0
−30 −20 −10
0
10 20 30 40 50 60 70 80
Ambient temperature (°C)
Note: The internal parts may occasionally deteriorate or be damaged. Use the standard mounting method only. Do not use the Power Supply in
the area outside the derating curve.
25 W
35 W
50 W
(2)
(1)
(1)
(1)
---
---
---
---
---
(1)
(2)
110
100
90
80
70
60
50
40
30
20
10
0
−30 −20 −10
0
10 20 30 40 50 60 70 80
(5)
110
100
90
80
70
60
50
40
30
20
10
0
−30 −20 −10
0
10 20 30 40 50 60 70 80
75 W
100 W
(3)
(4)
(1)
(2)
---
(1)
(3)
110
100
90
80
70
60
50
40
30
20
10
0
−30 −20 −10
Ambient temperature (°C)
(6)
110
100
90
80
70
60
50
40
30
20
10
0
−30 −20 −10
Ambient temperature (°C)
S8FS-C
150 W
200 W
350 W
(5)
(7)
(1)
(6)
---
---
(1)
(6)
(1)
0
10 20 30 40 50 60 70 80
Ambient temperature (°C)
0
10 20 30 40 50 60 70 80
Ambient temperature (°C)
17