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DATASHEET
SEP 05, 2007
SFS5 Series AC-DC Converter Compact Miniature Type
With Your Electronics POWERPLAZA
www.powerplaza.co.kr
Thermal Test
After power supply SFS5 Series was molded, and Components Thermal measurement. Operating the
power supply At normal temperature. Until the temperature of components is saturated. Maximum permitted
degree of components ascertains the margins. We will calculate the maximum operation degree. Degree of
ambient temperature rises up and load derates.
Test Voltage(V), 60Hz
90VAC
Δ℃
254VAC
Δ℃
REMARK
Tamb
24.6
24.9
Temperature T of part
1.
5Vdc
F1 Body
42.8
18.2
43.5
18.6
2.
L1 Body
38.7
14.1
37.6
12.7
3.
C1 Body
40.3
15.7
40.5
15.6
4.
D1
45.4
20.8
45.4
20.5
5.
Transformer coil
47.2
22.6
50.7
25.8
6.
Transformer core
46.5
21.9
50.0
25.1
7.
Inside Enclosure
44.8
20.2
47.6
22.7
8.
Outside Enclosure
42.0
17.4
44.0
19.1
9.
3.3Vdc Transformer coil
47.0
22.4
50.0
25.1
10.
Transformer core
47.1
22.5
50.3
25.4
11. 12Vdc Transformer coil
47.4
22.8
48.6
23.7
12.
Transformer core
46.6
22.0
47.2
22.3
13. 15Vdc
Transformer coil
46.7
22.1
51.7
26.8
14.
Transformer core
46.2
21.6
51.0
26.1
15. 24Vdc Transformer coil
44.3
19.7
48.4
23.5
16.
Transformer core
42.2
17.6
45.4
20.5
17. Ambient
24.6
0.0
24.9
0.0
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