turns ratio ocl @ 10 khz, 0.1 v leakage inductance longitudinal part application mounting (1-3):(10-8), (2-4):(9-7) (1-4) with (2-3) shorted @ 300 khz, 0.1 v (1-4) with (2-3), balance number (1-3):(2-4) (7-10) and (8-9) shorted (from 30 khz to 1.1 mhz) B2139 cpe tht 1:1 ( 2% ) 407 h ( 5%) 10.0 h max -50 db min electrical specifications @ 25c ? operating temperature -40c to +85c preliminary b958.p (2/00) mechanical for use with globespan adsl/radsl line driver ic (el-1501) at the customer premise excellent thd performance in a small footprint approved to ul1950 supplementary insulation requirements for working voltages up to 250 vrms schematic 10 1 4 2 3 7 8 9 chip line B2139 date code country of mfg. .394 10,00 .018 0,46 10 x .394 10,00 .098 2,50 .173 .015 4,39 0,38 .547 max 13,89 .500 max 12,70 .550 max 13,97 weight . . . . . . . . . . . . . .6.2 grams tray . . . . . . . . . . . . . . . . . .65/tray 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. printed on recycled paper. ?2000, pulse engineering, inc. B2139 adsl line transformers dimensions: inches mm unless otherwise specified, all tolerances are .010 0,25 united states (worldwide) 12220 world trade drive san diego, ca 92128 quick-facts: 858 674 9672 http://www.pulseeng.com tel: 858 674 8100 fax: 858 674 8262 united kingdom (northern europe) 1 & 2 huxley road the 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: 65 287 8998 fax:65 280 0080 distributor part thd dc resistance isolation voltage insertion loss 1 number (linearity - typical) (vrms) ( @ 772 khz) B2139 - 85 db min @ 100 khz 1-3 = 2-4 = .66 w ( 10%) 1875 <0.5 db 10-8 = 9-7 = .56 w ( 10%) 1 frequencyresponse: >3.0 db, from 30 khz to 2.0 mhz. additional specifications new!
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