PD - 94588
ARF461 SERIES
ADVANCED ANALOG
EMI FILTER
HYBRID / HIGH RELIABILITY
Description
The ARF Series EMI filter has been designed to pro-
vide full compliance with the input line reflected ripple
current requirement specified by CE03 of MIL-STD-
461C over the full military temperature range while
operating in conjunction with the corresponding ART
and ARH series of DC/DC converters. These filters are
offered as part of a family of high reliability conversion
products providing single, dual and triple output volt-
ages while operating from nominal +28 volt input line.
Other converters operating with a similar switching fre-
quency will also benefit by use of this device.
These EMI filters are hermetically packaged in a seam
welded enclosure utilizing axially oriented copper-core
pins which minimize resistive DC losses. This package
has been configured to complement the ART and ARH
package as a convenience in system installation and
is fabricated with Advanced Analog鈥檚 rugged ceramic
lead-to-package seal assuring long term hermetic seal
integrity in harsh environments.
Designed to meet the the derating requirements of MIL-
STD-975 and manufactured in a facility fully qualified
to MIL-PRF-38534, these converters are available in
two screening grades. The flight grade is designed,
screened and processed for space as specified in MIL-
PRF-38534. The HB grade is processed and screened
ARF
Features
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Up to 3.0 Ampere Output Current
Attenuation > 40dB @ 100 KHz
Low Profile Seam Welded Package
Ceramic Feedthru Copper-Core Pins
Operation Over Full Military Temp. Range
No Derating for -55擄C to +125擄C Operation
to the class H requirement, but does not include
element evaluation. Both grades are tested to
meet the complete group 鈥淎鈥?test specification
over the full military temperature range with no
derating. Variations in electrical, mechanical and
screen requirements can be accommodated.
Contact Advanced Analog for special require-
ments.
Typical Connection Diagram
+Vin
+Vout
+Vin
System
Bus
ARF461/SF
EMI Filter
Input Return
Output Return
ARH28XX
(or Other)
DC/DC Converter
+Vout
R
L
Input Return
Output Return
+Vin
ARH28XX
(or Other)
DC/DC Converter
+Vout
R
L
Input Return
Output Return
www.irf.com
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12/05/02
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