sm538-1 & pt539-1 adsl line transformers features for use with analog devices ad20msp910 / ad20msp918 adsl chipsets excellent total harmonic distortion (thd) performance in a small size smt and thru-hole package version operating temperature -40 c to +85 c designed to meet ul1950 and en60950 supplementary insulation requirements for operating voltages up to 250 vrms lead free version available (see how to order) lead free versions are rohs compliant* applications adsl - analog ad20msp910/918 electrical specifications @ 25 c turns ratio ................................1:1 ? % ocl @ 10 khz, 0.1 v (1-4) with (2-3) shorted ......................................5.0 mh ?0 % (10-7) with (8-9) shorted ......................................5.0 mh ?0 % leakage inductance @ 100 khz 0.1 v (1-4) with (2-3), (8-9), (10-7) shorted ........................................18.0 ? max. longitudinal balance 25 khz to 1.1 mhz ..............40 db min. insertion loss @ 100 khz ..........< 0.5 db isolation voltage ............1500 vrms max. load resistance ............................100 ? dc resistance (1-4), (10-7) ............................3 ? max. thd linearity sm538-1 @ 300 khz ..........-60 db typ. pt539-1 @ 30 khz..............-80 db typ. package sm538-1 ......................................smt pt539-1 ........................................tht product dimensions electrical schematic dimensions are: mm (inches) tolerance: 0.25 (.010) sm538-1 (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) max. 17.65 (.695) max. 13.50 (.531) max. 12.32 (.485) max. 12.07 (.475) max. 2.50 (.098) 2.54 (.100) 2.50 (.098) 10.00 (.394) 15.37 (.605) 0.13 (.005) 10 surfaces smt 10 8 9 7 1 3 2 4 pt539-1 sm538-1 tht pt539-1 (datecode) 2.6 (.102) dia. 10 plcs. 14.0 (.551) max. 14.2 (.559) max. 12.70 (.500) max. min. 0.6 (.024) 10.00 (.394) 10.00 (.394) 2.50 (.098) packaging specifications SM538-1E* ..........................200 pcs./reel pt539-1 ................................60 pcs./tray *??suffix at end of part number designates tape & reel packaging, e.g. SM538-1E. *rohs compliant versions available how to order SM538-1E or pt539-1 __ 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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