Recom international rm series dcdc converter single output sip4 recom rm 3305s this recom rm 3305s dcdc converter is from the rm series it has been designed for isolating or converting dc power rails with very light loads the 025w single output converter has an efficiency that is typically 10 higher than a comparable 05w or 1w converter run at the same low load recom 10001981 rm 3305s 025w dcdc converter 33v in 5v out