e l e c t r o n i c s i n c . t3/ds3/e3/sts-1 interface transformer tel: (818) 892-0761 fax: (818) 894-5791 http://www.pca.com pca electronics, inc. 16799 schoenborn st. north hills, ca 91343 ? designed for leading transceiver ics ? eight transformers in a smd package ? return loss meets g.703 requirements ? operating temperature : -0c to +70c ? 1500 vrms isolation EPR1305S product performance is limited to specified parameters. data is subject to chan g e without prior notice. electrical parameters @ 25c unless otherwise specified dimensions are in inches /mm .010 /.25 csr1305s rev. 1 2/25/04 schematics package interwinding capacitance (pf max.) 10 leakage inductance (h max.) .15 40 primary inductance (mh min.) turns ratio ( 2%) 1: 1 crosstalk (db min.) 35 @ 100 mhz 32 31 12 30 29 34 28 27 56 26 25 78 24 23 910 22 21 11 12 20 19 13 14 18 17 15 16 sec. pri. sec. pri. .425 .005 (10.80 130) solder pad layout pca EPR1305S date code pin 1 i.d. .050 (1.27) .310 (7.87) .465 (11.81) .050 (1.27) .030 (.762) .100 (2.54) .280 (7.11) .035 (.889) .008/.012 (.254/.305 .010/.015 (.254/.381 ) .720 (19.05) .018 (.460) 1.00 max. (25.40) 0-8 .125 (3.18)
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