p o w e r t r a n s f o r m e r p c m o u n t : split pack web: www.triadmagnetics.com phone 951 - 277 - 0757 fax 951 - 277 - 2757 460 harley knox blvd. perris, california 92571 publish date: december 4, 2013 f 48 - 250 description: the f 48 - 250 is a single primary and dual secondary, split bobbin design which operates with an input of 115 v. the output voltage will be either 48.0 v with a center - tap under a 0.25 a load with the secondaries wired in series, or 24.0 v under a 0.5 a load with the secondaries wired in parallel. the split bobbin design eliminates the need for costly electrostatic shielding. electrical specifications (@25c) 1. maximum power: 12.0 va 2. primary: 115v 3. secondary: series: 48.0 v ct@ 0.25 a pa rallel: 24.0 v @ 0.5 a 4. voltage regulation: 25% typ @ full load to no load 5. temperature rise: 25c typ 6. hipot tested 100% at 2500 vrms construction: three flange bobbin const ruction with primaries and secondaries wound side by sid e for low capacitive coupling. agency file: ul: file e53148, ul 5085 - 2 ( 506 ) , class b general purpose transformer, c ul: file e53148, ul 5085 - 2 ( 506 ) , class b general purpose transformer, canadian use (csa 22.2, no.66.2 - 06) this model is also available in class 3, ul 5085 - 3 (1585) version as f48 - 250 - c2 dimensions: units in inches. h w l a b c d e f 1.437 1.562 1.875 0. 3 0 0 0. 4 0 0 1. 41 0 0.041 0.020 0.23 4 weight: 0.70 lbs schematic : rohs compliance: as of manufacturing date febru ary 2005, all standard products meet the requirements of 2011/65/eu, known as the rohs initiative. as of april 7, 2008, ul standards 506 and 1585 will be migrated to ul 5085 - 2 and 5085 - 3, respectively. * upon printin g, this document is considered uncontrolled . please contact triad magnetics website for the most current version. board layout 1 4 8 7 6 5 115v 50/60hz 1 4 l h w e a b a c 0.06" diameter hole d f 1 5 8 4
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