Electrical Power Solutions: Interpoint® STF28-461

Electrical Power Solutions: Interpoint® STF28-461

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Product Type: EMI Filters
Application: Space

The STF28-461 EMI filter module has been designed as a companion for the Interpoint SMSA converters. Multiple converters can be operated from a single filter up to the filter’s maximum current rating. The STF28-461 filter screening offers 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. STF28-461 EMI filters are on DLA Drawing 96003.

Attenuation 55 dB at 500 kHz
Small size, 0.79 in2 (5.1 cm2)
  • 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 0.8 A throughput current
  • Compatible with MIL-STD-704 A-E 28 VDC power bus
  • Compliant to MIL-STD-461C CE-03
  • Compatible with SMSA and SLH Series of converters
  • Case size: 0.980 × 0.805 × 0.270 (24.89 × 20.45 × 6.86 mm)
Model Input Voltage Total Output Power (W)/Current (A)
Model: STF28-461 EMI Filter Input Voltage: 50 Total Output Power (W)/Current (A): 0.8