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FMH-461 Fiches technique(PDF) 1 Page - Interpoint Corporation Company |
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FMH-461 Fiches technique(HTML) 1 Page - Interpoint Corporation Company |
1 / 9 page B3-17 DESCRIPTION Interpoint specifically designed the FMH-461™ EMI filter to reduce the input line reflected ripple current of the following high frequency DC/DC converters: MHD, MHF, MHF+, MHV, MSA1, and MTR series converters. It will also reduce EMI for several of Interpoint’s lower frequency converters: MHE/MLP, MHL, MTO, and MTW series. The FMH-461 filter is ideal for use in applications which must meet MIL-STD-461C levels of conducted and radiated emissions. Throughput current is 1.5 amps. At 16 VDC input (low line), the filter provides 24 watts of throughput power. MIL-STD NOISE MANAGEMENT When used in conjunction with Interpoint converters, the FMH-461 EMI filter reduces input ripple current by 35 dB or greater at 200 kHz and by at least 50 dB at 500 kHz (see Figures 5 and 6 and electrical characteristics table). This attenuation gives the converter/filter combination performance which exceeds MIL-STD-461C’s CE03 test. FILTER OPERATION FMH-461 filters are rated for full power operation from –55°C to +125°C baseplate temperature. Operation is offered up to the absolute maximum of +135°C with derating as defined in “Recommended Operating Conditions” on the following page. The maximum DC insertion loss at full load and nominal input voltage (28 VDC) represents a power loss of less than 2%. LAYOUT REQUIREMENTS The case of the filter must be connected to the case of the converter through a low impedance connection to minimize EMI. 1. MSA models may require an inductor in series with the MSA’s positive input. 2 µH is the suggested value. EMI INPUT FILTER 28 VOLT INPUT FMH EMI FILTER 1.5 AMP FEATURES • –55°C to +125°C operation • 50 dB minimum attenuation at 500 kHz • Compliant to MIL-STD-461C, CE03 • Compatible with MIL-STD-704E DC power bus Size (max.): Non-flanged, case E3 1.460 x 1.130 x 0.330 (37.08 x 28.70 x 8.38 mm) Flanged, case G3 2.005 x 1.130 x 0.330 inches (50.93 x 28.70 x 8.38 mm) See Section B8, cases E3 and G3, for dimensions. Weight: 22 grams typical, 28 grams maximum Screening: Standard, ES, or 883 (Class H). See Section C2 for screening options, see Section A5 for ordering information. MODEL FMH-461 1.5 amp |
Numéro de pièce similaire - FMH-461 |
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Description similaire - FMH-461 |
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