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COTS- compliant EMI filters tip for military, avionic apps

Posted: 24 Mar 2008 ?? ?Print Version ?Bookmark and Share

Keywords:EMI filters? COTS directive? military and avionics? DC-DC power systems?

Two EMI filters that satisfy the Department of Defense's Commercial-off-the-Shelf (COTS) directive have been introduced by VPT Inc. The 10A VPTF10-28 and 20A VPTF20-28 filter modules provide compliance to MIL-STD-461 C/D/E for conducted emissions in military and avionics DC-DC power systems.

Both filters satisfy the COTS directive in terms of low cost, high performance, and satisfaction of stringent military and avionics industry requirements. Specifically intended for use in harsh environments with extreme shock, vibration, and temperature cycling, the filters feature up to 20A maximum current; up to 300W output power; a wide input voltage range of 0 to 50V per MIL-STD-704, 28V nominal; a six-sided rugged metal enclosure; 45dB minimum attenuation at 500kHz; and high input transient voltage of 80V for 1sec per MIL-STD-704A.

The filters protect against conducted susceptibility specified in MIL-STD-461C, CS01 and CS02.They are manufactured to J-STD-001, ISO9001, and IPC-A-610, and operate over a wide -55C to +100C standard.

- Ismini Scouras

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