EMI I
NPUT
F
ILTERS
IN5649A
Positive
Input
1
6
F
1
F
6
F
277
H
35.6
H
FMC EMI FILTER
2.7 AMP
Positive
Output
68
Input
Common
1
4.7
Output
Common
1
3300 pF / 500 V
FMC-461
FMC-461/883
6800 pF / 500 V
(4 times)
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
1: S
CHEMATIC
– T
YPICAL
V
ALUES
PIN OUT
Dot on top of package indicates pin one
Pin
1
2
3
4
5
Designation
Positive Input
Positive Output
Case Ground
Output Common
Input Common
1
BOTTOM VIEW
FMC
NON-FLANGED AND FLANGED
5
2
3
4
Dotted line outlines flanged package option.
See Section B8, cases H1 and K2 for dimensions.
F
IGURE
2: P
IN
O
UT
DSCC NUMBER
DSCC D
RAWING
(5915)
FMC-461 F
ILTER
S
IMILAR
P
ART
MODEL NUMBERING KEY
FMC - 461
Base Model
MIL-STD-461 Reference
No Transorb Option
(Standard FMC-461 has no designator
in this position)
Case Option
(Non-flanged case has no designator in
this position)
Screening
(Standard screening has no designator
in this position.)
NT
F
/ 883
94010-01HXC
FMC-461/883
94010-01HZC
FMC-461F/883
94010-02HXC
1
FMC-461NT/883
1
1
94010-02HZC
FMC-461NTF/883
1
1. No transorb (NT)
Flanged SMDs have the suffix HZC instead of HXC.
For exact specifications for a DSCC product, refer to the
DSCC drawing. See Section A3, “SMD/DSCC Lists”, for
more information.
B3-15
CRANE [ Crane Aerospace & Electronics. ]
