sm537-1 adsl line transformers features for use with analog devices ad20msp930 adsl chipset (co) excellent total harmonic distortion (thd) performance smt and small size package designed to meet ul1950 and en60950 supplementary insulation requirements for operating voltages up to 250 vrms operating temperature -40 c to +85 c lead free version available (see how to order) lead free versions are rohs compliant* applications adsl - analog ad20msp930 electrical specifications @ 25 c turns ratio (10-7):(1-4) ..........................1:1.1 ? % ocl @ 10 khz, 0.1v (1-4) with (2-3) shorted....2.03 mh min. (10-7) with (8-9) shorted..1.75 mh min. leakage inductance @ 100 khz 0.1 v (10-7) with (2-3), (1-4), (8-9) shorted ..........................................7.5 ? max. longitudinal balance 10 khz to 1.1 mhz ..............50 db min. insertion loss @ 300 khz ............<0.5 db isolation voltage ............1500 vrms max. load resistance ............................100 ? dc resistance (1-4) with (2-3) shorted......1.30 ? max. (10-7) with (8-9) shorted....1.50 ? max. thd linearity @ 30 khz..........-80 db typ. application ..........................................co product dimensions electrical schematic dimensions are: mm (inches) tolerance: 0.25 (.010) sm537-1 (datecode) 5 4 3 2 1 6 7 8 9 10 .711 .050 (.028 .002) recommended pad layout 10 plcs. 1.30 .050 (.051 .002) 10 plcs. 13.46 (.530) max. 10.00 (.394) 10.00 (.394) max. 17.65 (.695) max. 13.50 (.531) max. 12.32 (.485) max. 12.07 (.475) max. 2.50 (.098) 2.50 (.098) 15.37 (.605) 2.54 (.100) 0.13 (.005) 10 surfaces 10 8 9 7 1 line chip 1.1 : 1 3 2 4 packaging specifications tape & reel* ........................200 pcs./reel *??suffix at end of part number designates tape & reel packaging, e.g. sm537-1e. sm537-1 *rohs compliant versions available how to order sm537-1e __ model termination blank = tin-lead l = tin only (lead free) 03/05 *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.
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