electrical specifications @ 25 c turns ratio ? % (1-2-3):(12-10)........................1.15 ct:1 turns ratio ? % (4-5-6):(9-8-7) ......................1 ct:2 ct polarity ..1,2 & 12; 4,5,9 & 8 same phase ocl (12-10) @ 10 khz, 0.01 v ..........................................1.6 mh min. ocl (4-6) @ 10 khz, 0.1 v ..........................................1.6 mh min. ocl (12-10) @ 10 khz, 0.01 v, -40 ? ..........................................0.6 mh min. ocl (4-6) @ 10 khz, 0.01 v, -40 ? ..........................................0.6 mh min. le (12-10) @ 100 khz, 0.1 v, short (1-2-3) ......................0.8 ? max. le (4-6) @ 100 khz, 0.1 v, short (9-8-7) ......................0.8 ? max. cww (1-12) @ 100 khz, 0.1 v ............................................60 pf max. cww (4-9) @ 100 khz, 0.1 v ............................................50 pf max. dcr (1-3) ( ? max.) ............................1.00 dcr (12-10) ( ? max.) ........................1.00 dcr (4-6) ( ? max.) ............................1.00 dcr (9-7) ( ? max.) ............................2.00 hipot (vac) ....................................1500 *ct : center tap sm75225 - t1/cept/isdn-pri dual transformers features compact surface mount packaging operating temperature -40 c to +85 c pe68825 equivalent lead free version available (see how to order) lead free versions are rohs compliant* applications telecom product dimensions electrical schematic sm75225 datecode 12 1 coplanarity: 8.63 (.340) max. 2.54 (.100) 12.7 (.500) 17.14 (.675) max. .508 (.020) typ. 11.58 (.456) max. 15.24 (.600) max. .254 - .508 (.010 - .020) 1.01 - 1.27 (.040 - .050) .102 (.004) note: dimensions are exclusive of solder dimensions are: mm (inches) tolerance: 0.25 (.010) 1 3 12 10 4 6 9 8 2pri pri 1.15 ct : 1 1 ct : 2 ct 5 7 packaging specifications tape & reel* ........................330 pcs./reel *??suffix at end of part number designates tape & reel packaging, e.g. sm75225e. sm75225 yyww *rohs compliant versions available *rohs directive 2002/95/ec jan 27 2003 including annex specifications are subject to change without notice. customers should verify actual device performance in their specific applications. 03/05 how to order sm75225e __ model termination blank = tin-lead l = tin only (lead free)
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