1 adsl/adsl2+ cpe transformers for pots and isdn applications, matched to texas instruments ar7, au7 and ap7 chipset designed to meet en60950 supplementary insulation requirements for working voltages up to 250vrms bx2479h / bx2243h bx2479h / bx2243h mechanicals (and nl versions) (and nl versions) schematic electrical specifcations @ 25c - operating temperature -40c to +85c rohs-5 compliant part number rohs-6 compliant part number ocl (mh 5%) turns ratio (line:chip) isolation voltage (vrms) thd @ 30khz ( db min) bx2479h BX2479HNL 1.50 2:1 1500 -85 bx2479w bx2479wnl 1.50 2:1 1500 -85 bx2243h bx2243hnl 0.40 2:1 1500 -85 bx2443w bx2443wnl 0.40 2:1 1500 -85 bx2900w bx2900wnl 0.10 2:1 1500 -85 notes: 1. optional tape & reel packaging can be ordered by adding a t sufx to the part number (ex. bx2479w t and bx2479wnl t ). for texas instruments cpe chipsets for more information pulse worldwide headquarters 12220 world trade drive san diego, ca 92128 u.s.a. tel: 858 674 8100 fax: 858 674 8262 pulse europe einsteinstrasse 1 d-71083 herrenberg germany tel: 49 7032 78060 fax: 49 7032 7806 135 pulse china headquarters b402, shenzhen academy of aerospace technology bldg. 10th kejinan road high-tech zone nanshan district shenzen, pr china 518057 tel: 86 755 33966678 fax: 86 755 33966700 pulse north china room 2704/2705 super ocean finance ctr. 2067 yan an road west shanghai 200336 china tel: 86 21 62787060 fax: 86 2162786973 pulse south asia 135 joo seng road #03-02 pm industrial bldg. singapore 368363 tel: 65 6287 8998 fax: 65 6287 8998 pulse north asia 3f, no. 198 zhongyuan road zhongli city taoyuan county 320 taiwan r. o. c. tel: 886 3 4356768 fax: 886 3 4356823 (pulse) fax: 886 3 4356820 (fre) performance warranty of products ofered on this data sheet is limited to the parameters specifed. data is subject to change without notice. other brand and product names mentioned herein may be trademarks or registered trademarks of their respective owners. ? copyright, 2012. pulse electronics, inc. all rights reserved. weight .....6.2 grams tray ...............60/tray weight .....6.2 grams tray ...............65/tray dimensions: unless otherwise specifed, all tolerances are inches mm .010 0,25 1 1 1 1 1 1 b834.d (02/12) pulseelectronics.com adsl line transformers
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