FEC40-12D15 查看數據表（PDF） - Power Mate Technology
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FEC40-12D15 Datasheet PDF : 4 Pages
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FEC40-48S05 Derating Curve
120
100
80
60
40
20
0
-40 -20
0
20
40 5690.1 80 100 120
AMBIENT TEMPERATURE(℃)
FEC40-48S05 Derating Curve
With Heatsink (Noottee1103)
120
100
80
60
40
20
0
-40
-20
0
20
40
60 66.2 80
AMBIENT TEMPERATURE(℃)
100 120
FEC40-48S05
Efficiency VS Input Voltage
91%
89%
87%
85%
83%
81%
79%
77%
75%
36 40 44 48 52 56 60 64 68 72
INPUT VOLTAGE (V)
Recommended Filter for EN55022 Class B Compliance
The components used in the above figure, together with the
manufacturers’ part numbers for these components, are as
follows:
FEC40-
12xxx
FEC40-
24xxx
FEC40-
48xxx
C1
4.7μF/50V
1812 MLCC
C2
C3
C4
N/A
4.7μF/50V
1812 MLCC
N/A
C5 & C6
1000pF/2KV
MLCC
6.8μF/50V
1812 MLCC
N/A
6.8μF/50V
1812 MLCC
N/A
1000pF/2KV
MLCC
2.2μF/100V 2.2μF/100V 2.2μF/100V 2.2μF/100V 1000pF/2KV
1812 MLCC 1812 MLCC 1812 MLCC 1812 MLCC MLCC
L1
450μH
Common
Choke
PMT-048
450μH
Common
Choke
PMT-048
830μH
Common
Choke
PMT-053
FEC40-48S05
Efficiency VS Output Load
95
90
85
80
75
70
65
60
55
50
45
10 20 30 40 50 60 70 80 90 100
OUTPUT LOAD (% of Full Load)
Recommended EN55022 Class B Filter Circuit Layout
Page 3 of 4 Issued Date：2008/06/12
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