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 FS20-1800 description: the FS20-1800 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 20.0v with a center-tap under a 1.8a load with the secondaries wired in series, or 10.0v under a 3.6a load with the secondaries wired in parallel. the split bobbin design eliminates the need for costly electrostatic shielding. electrical specifications (@25c) 1. maximum power: 36.0va 2. primary: series: 230v; parallel: 115v 3. secondary: series: 20.0v ct@ 1.8a; parallel: 10.0v @ 3.6a 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 construction with primaries and secondaries wound side by side for low capacitive coupling. agency file: ul: file e53148, ul 5085-2 (506), class b general purpose transformer, cul: 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 2, ul 5085-3 (1585) version as FS20-1800-c2 dimensions: units in inches. h w l a b c d e f 1.562 2.187 2.625 0.400 0.400 1.850 0.041 0.020 0.234 weight: 1.10 lbs schematic: 1 2 3 48 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 rohs compliance: as of manufacturing date february 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 printing, this document is considered ?uncontrolled?. please contact triad magnetics? website for the most current version. 12 3 4 l h w e a b a c 0.06" diameter hole d f 1 5 8 4 board layout
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