2 µF

6800 pF

500 V

6800 pF

500 V

Positive

Input

Input

Common

Positive

Output

Output

Common

FMSA-461

>285 µH

6 µH

2 µF

20 Ω

20 Ω

0.65 Ω

6 µH

x 2

6800 pF / 500 V

Case Ground

(pins 4 and 8)

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.

RL

Positive

Output

FMSA-461

Positive

Input

Input

Common

Case

Ground

Output

Common

C

R

DC-DC Converter

Input

Common

Case

Ground

Output

Common

RL

The RC output is an optional

damping circuit. It is recommended in

applications where 80 volt line

transients may occur with rise times

<200 µs. See text page one

"Connection and Operation."

C = 10 µF, 100V –

R = 2.2 Ω, 5%, 1/4 W, Carbon comp.

Positive

Input

Positive

Output

Multiple units allowed

up to the maximum

rated output current

of the filter.

Crane Aerospace & Electronics Power Solutions

FMSA/FMGA eMi input Filters

28 VOlt iNput - 0.8 AMp

www.craneae.com/interpointcom

Page 2 of 14

FMSA/FMGA Rev AA - 2015.12.15