FMD/FME EMI FILTER
0.7 TO 15 AMP
135 H
Positive
Input
EMI I
NPUT
F
ILTERS
135 H
4.1 H
4.1 H
Positive
Output
1.3
0.1 F
50 V
6 F
50 V
10 F
50 V
4.1 H
Input
Common
0.015 F
500V
0.01 F
500 V
Output
Common
FMD28-461
F
IGURE
3: FMD28-461 S
CHEMATIC
– T
YPICAL
V
ALUES
844 H
Positive
Input
844 H
18.5 H
18.5 H
Positive
Output
1.3
0.015 F
0.68 F
0.68 F
Input
Common
Output
Common
0.015 F
FMD270-461
F
IGURE
4: FMD270-461 S
CHEMATIC
– T
YPICAL
V
ALUES
EMI FILTER
+Vin
+Vout
Case
Output
Input
Common Common
DC/DC CONVERTER
+Vin
+Vout
RL
Case
Output
Input
Common Common
Chassis
ground
Multiple units
allowed up to
rated output
current of filter
RL
The case ground connection between the filter and the converter should be as low an impedance as possible
to minimize EMI. Direct contact of baseplate to chassis ground provides the lowest impedance.
F
IGURE
5: C
ONNECTION
D
IAGRAM
B3-10
INTERPOINT [ INTERPOINT CORPORATION COMPANY ]
