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| 1. configuration & dimensions : 3. electrical characteristics ( @ 25c ) : superworld electronics (s) pte ltd 2. schematic : 12a-2.5-28 (f) series power transformer pg. 1 note : specifications subject to change without notice. please check our website for latest information. 25.02.2008 indicates polarity 50/60hz 1 115v 50/60hz 3 2 115v 4 5 7 6 8 6.30 (0.250) 115.0 gram - 2.5 va (1.182) 30.00 (1.390) 35.30 - lw 32.00 (1.260) (0.250) 6.30 ha (1.210) 30.70 36.00 (1.420) bcd (0.027)sq dim pin unit : mm (inch) 0.70 sq - - - - ef b a a c h l w a b a 3.500(0.138) min. d c square pc terminals pcb pattern a. primary voltage ac 115/230 v 60/50 hz . b. no load primary current less than 40ma . c. secondary voltage ( 5%) series ac - v parallel ac - v d. secondary load current series 85 ma . parallel 170 ma . e. full load primary current less than - ma . f. full load secondary voltage (5%) series 28.0 v . pin 3-4 pin 1-2 g. dc resistance = 690 ohm . primary = 845 ohm . parallel 14.0 v . pin 5-6 pin 7-8 h. insulation resistance i. withstand voltage (hi-pot) secondary = - ohm . = - ohm . dc 500v 100meg ohm of more . ac 3750v 50hz 1 minutes . less than 75 deg c . ei-35 x 14.00 m/m . j. temperature rise k. core size
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