turns ratio (tol. ?2%) dcr ( w max.) electrical parameters @ 25?c dual t1/e1 interface transformer csr1571se rev. - 1/24/01 ? 1500 vrms isolation ? transmit and receive transformers in one smd package ? operating temperature -40? to +85? EPR1571SE e l e c t r o n i c s i n c . tel: (818) 892-0761 fax: (818) 894-5791 http://www.pca.com pca electronics, inc. 16799 schoenborn st. north hills, ca 91343 primary inductance (mh min.) schematic product performance is limited to specified parameters. data is subject to change without prior notice. 1:1.91ct pins 1-2 to 16-14 1:2.42ct pins 1-2 to 13-11 1:1.91 pins 10-9 to 7-8 1:2.42 pins 10-9 to 6-8 1.5 pins 1-2 leakage inductance (? max.) 0.80 pri. to each sec. shorted interwinding capacitance (pf max.) 35 pri. to each sec. 1.27 pins 1-2 or 9-10 2.4 pins 16-14 or 13-11 or 6-8 package dimensions a b c d e f g h i j k l m n p q dim. min. .510 .280 .250 --- .015 --- .390 .022 .012 --- 8 .045 --- --- --- --- max. .500 .270 .240 .350 .010 .050 .380 .020 .010 .075 4 .035 .030 .050 .085 .440 nom. (inches) (millimeters) 12.45 6.60 5.84 --- .127 --- 9.40 .457 .203 --- 0 .635 --- --- --- --- min. 12.95 7.11 6.35 --- .381 --- 9.91 .559 .305 --- 8 1.14 --- --- --- --- max. 12.70 6.86 6.09 8.90 .254 1.27 9.65 .508 .254 1.90 4 .889 .762 1.27 2.16 11.18 nom. .490 .260 .230 --- .005 --- .370 .018 .008 --- 0 .025 --- --- --- --- g k l i solder pad layout q n m p c f h e pca EPR1571SE d.c. a b j d pin 1 i.d. 1.5 pins 9-10 1 2 6 7 8 9 10 11 12 13 14 15 16 pri. sec. a sec. b pri. sec. b sec. a
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