SM74346E - t1/cept/isdn transformer features low height of 6.22 mm hipot of 1500 vac dual transformer for transmit and receive lead free version available (see how to order) lead free versions are rohs compliant* applications telecom electrical specifications @ 25 c ocl (16-14) mh min. @ 10 khz, 0.1 v ................1.2 ocl (6-8) mh min. @ 10 khz, 0.1 v ................1.2 l l (16-14) ? max. @ 100 khz, 0.1 v, short (1-3) ........................................0.6 l l (6-8) ? max. @ 100 khz, 0.1 v, short (11-9) ......................................0.6 cww (16-1) pf max. @ 100 khz, 0.1 v ................30 cww (6-11) pf max. @ 100 khz, 0.1 v ................30 dcr (16-14) ohm max.........................0.7 dcr (6-8) ohm max.............................0.7 dcr (1-3) ohm max.............................1.4 dcr (11-9) ohm max...........................1.4 turns ratio (16-14) : (1-3) ..............1ct : 2ct ? % (6-8) : (11-19) ..............1ct : 2ct ? % polarity (1, 16, 6, 11) ............same phase hipot between windings................1500 vac between transformers..........1500 vac operating temperature (?) ........0 to +70 *ct : center tap product dimensions electrical schematic sm74346 (date) 12.83 (.505) 16 9 18 max. 7.10 (.280) 0.10 (.004) max. 9.58 (.375) 1.27 (.050) 0.46 0.05 (.018 .002) 8.90 (.350) max. 6.22 (.245) max. 16 plcs. 16 surfaces dimensions are: mm (inches) tolerance: 0.254 (.010) 1 3 16 14 6 8 11 10 15 2 7 9 packaging specifications tape & reel..........................700 pcs./reel 0.25 (.010) 0 - 8 0.74 0.03 (.029 .001) 16x recommended pad layout 8.89 (.350) 8.83 (.328) 1.27 (.050) 1.91 (.075) sm74346 yyww *rohs compliant versions available how to order SM74346E __ model termination blank = tin-lead l = tin only (lead free) *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. 02/06
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