turns ratio ocl pri @ 25c l l c ww dcr pri dcr sec part (pri:sec - 2%) (mh min) (h min) (pf max) ( ? max) ( ? max) number tx1281 1ct:1 2.0 1.2 65 2.7 2.7 tx1282 1.14ct:1 2.2 1.4 65 2.8 2.8 tx1283 1.35ct:1 2.0 1.4 65 2.7 2.0 tx1284 1.26ct:1 1.2 1.0 50 2.5 2.0 tx1491 1ct:1 1.2 1.2 35 2.7 2.7 tx1492 2ct:1 2.15 1.2 65 2.3 1.2 t1/e1/cept/isdn-pri smt transformers mechanical small surface mount package isolation voltage: 1500 vrms minimum extended temperature range: -40c to +85c designed to meet return loss requirements of itu g.703 schematic
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tx12xx/tx149x t669.b (8/04) for more information : performance warranty of products offered on this data sheet is limited to the parameters specified. data is subject to change w ithout notice. other brand and product names mentioned herein may be trademarks or registered trademarks of their respective owners. ?2004, pulse engineering, inc. all rigths reserved. electrical specifications @ 25c ? operating temperature -40c to 85c weight . . . . . . . . . . . . . .0.38 grams tape & reel . . . . . . . . . . .1000/reel tray . . . . . . . . . . . . . . . . . . .80/tray dimensions: inches mm unless otherwise specified, all tolerances are .010 0,25 united states (worldwide) 12220 world trade drive san diego, ca 92128 u.s.a. http://www.pulseeng.com tel: 858 674 8100 fax: 858 674 8262 united kingdom (northern europe) 5 huxley road surrey research park guildford, surrey gu2 5re united kingdom tel: 44 1483 401700 fax: 44 1483 401701 france (southern europe) zone industrielle f-39270 orgelet france tel: 33 3 84 35 04 04 fax: 33 3 84 25 46 41 taiwan, r.o.c. (northern asia) 3f-4, no. 81, sec. 1 hsintai wu road hsi-chih, taipei hsien taiwan, r.o.c. tel: 886 2 2698 0228 fax: 886 2 2698 0948 singapore (southern asia) 150 kampong ampat #07-01/02 ka centre singapore 368324 tel: 65 6287 8998 fax: 65 6280 0080 hong kong (china/hong kong) 9/f, phase 2, tai sang shatin warehouse centre 6 wong chuk yeung street fotan, shatin, hong kong tel: 852 2788 6588 fax: 852 2776 1055 distributor
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