SFMC28-461™ – 0 to 50 Volts In – 2.7 Amps

Data Sheet

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The SFMC28-461 EMI space filter modules reduce the reflected input ripple current of high frequency space systems Interpoint® DC-DC converters. One filter can be used with multiple converters up to the rated output current of the filter. SFMC28-461 are available certified to Space Prototype (O), Class H, or Class K with radiation hardness assurance (RHA) levels of “-” (O, no rating) or H 1000 krad(Si) per MIL-PRF-38534. SFMC28-461 EMI filters are on DLA Drawing 94010.

Attenuation 60 dB at 500 kHz

• Operating temperature -55° to +125°C
• Qualified to MIL-PRF-38534 Class H and K
• Passive components used for maximum tolerance in space environments
• Nominal 28 V input, 0 V to 50 V operation
• Up to 2.7 A throughput current
• Compatible with MIL-STD-704 B-E 28 VDC power bus
• Compliant to MIL-STD-461C CE-03
• Compatible with SMTR, SMHF and SMSA Series of converters
• Case size: 2.125 × 1.125 × 0.400 (53.98 × 28.58 × 10.16 mm)
  • Flanged 2.910 × 1.125 × 0.400 inches (73.91 × 28.58 × 10.16 mm)

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