june 6, 2011 obsolete datatronic: 28151 highway 74, romoland, ca 92585 tel: 951-928-7700, fa x: 951-928-7701, e-mail: ddisales@datatronics.com 499 king?s road, hong kong tel: (852) 2562 3858, ( 852) 2564 84 77 fax: (852) 2565 7214, (852) 2563 1290 all specification are subj ect to change without notice. this part is obsolete, the sm501-1 is a possible replacement ( inventory available letter www.datatronics.com/pdf/SM502-1-inventory-available.pdf ) surface mount telecom transformer SM502-1 features ? subminature ? 7.36mm seated height ? vacuum encapsulated ? tested at 4600 vrms ? ul1459 file no. e173817 insulation system ? weight ? 2 gram ? en60950 recognized file e173817 ? babt approval no. crc 0047 ? operating temperature -20c to +85c ? storage temperature -20c to +85c applications ? modems ? telecommunications ? laptop computers ? instrumentation electrical specifications at 25c impedance primary secondary 600 ? 600 ? shunt inductance (min) shunt loss (min) 3.8 h 7500 ? turns ratio 1 : 1 leakage inductance @1khz (typ) 7 mh insertion loss @2khz (max) frequency response @200-4000hz (max) 3.0 db 0.25 db unbalance d.c. current dc resistance* primary ( 15%) 0 ma 150 ? return loss @200-4000hz (min) longitudinal balance (min) distortion (typ) power level 24 db 80 db -85 db 10 dbm secondary ( 15%) insulation resistance @500vdc (min) dielectric strength for 1 minute 150 ? 100 m ? 4600 vrms note : for use with recommended circuit (bs 6305 impedance class a non-speech or class b speech) * SM502-1 is symmetrical meaning ther e is no real primary or secondary winding. **SM502-1 is identical to sm-lp5002. sm-lp5002 is european version. terminal finish is compliant to rohs requirements . solder in accordance with j-std-020d outline dimensions recommended circuits 600 ohm matching (speech) 1 : 1 600 ? 6.8 ? 430 ? ? ? ? 2% 6.8 nf ? ? 5% line 6.8 nf ? ? 5% bs6305 class (a) matching (non-speech) 1 : 1 370 ? ? ? ?? 5% 560 ? ?? 5% 680 ? ? ? SM502-1 date 1 2 3 4 5 6 12. 5 0.60 t yp 0.60 typ 9.60 all dimensions in millimeters tolerance : xx =+/ 0 25mm 7.36 leads coplanarity = 0.15 mm maximum 1 3 6 4 pri s e c schematic n/c n/c 2.50 x 0.95 suggested pcb layout 2.54 5.08 12.0
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