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 fs 20 - 0 55 description: the fs 20 - 0 55 is a dual primary and dual secondary, split bobbin design which operates with either a parallel input of 115v or a series input of 230v. the output voltage will be either 20 .0 v with a center - tap under a 0.0 55 a load with the secondaries wired in series, or 10 .0 v under a 0. 1 1 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: 1.1 va 2. primary: seri es: 230v ; parallel: 115v 3. secondary: series: 20 .0 v ct@ 0.0 55 a; parallel: 10 .0 v @ 0.1 1 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 w ith 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 2 2.2, no.66.2 - 06) this model is also available in class 2, ul 5085 - 3 (1585) version as fs20 - 055 - c2 dimensions: units in inches. h w l a b c d e f 0.937 1.125 1.375 0.250 0.250 1.200 0.041 0.020 0.234 weight: 0.17 lbs schematic : rohs compliance: as of manufacturing date february 2005, all standard products meet the requirements of 2011/65/eu, kn own 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 2 3 4 8 7 6 5 115/230v 50/60hz 1 2 3 4 115/230v 50/60hz parallel 1 2 3 4 115/230v 50/60hz series 1 2 3 4 l h w e a b a c 0.06" diameter hole d f 1 5 8 4
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