matched to turns ratio inductance - line side leakage inductance - line side dc resistance part mount. conexant's application line - chip @ 10khz, 100mv @100khz line side chip side number chipset no. (2%) (1-5) with (2-4) shorted (1-5) with (2-4) and (7-9) shorted (1-4) = (2-5) (7-9) b1017 tht bt8921/bt8970 784kpbs 2cs:1 3.0mh 6% 15h max @ 0.02vrms 1.25 ? 1.00 b1018 tht bt8921/bt8970 1168kpbs 2cs:1ct 2.0mh 10% 13h max @ 0.10vrms 1.25 ? 1.00 b1028 1 smt bt8921/bt8970 1168kpbs 2cs:1ct 2.0mh 6% 11h max @ 0.10vrms 1.20 ? 1.00 b1020a tht rs8973 272 to 2320kpbs 2cs:1 2.0mh 6% 6.5h max @ 0.02vrms 2.00 ? 1.10 B1040A 1 smt rs8973 272 to 2320kpbs 2cs:1 2.0mh 10% 6.5h max @ 0.02vrms 1.60 ? 1.05 b1075 tht rs8973 272 to 2320kpbs 2cs:1ct 2.0mh 6% 8h max @ 0.02vrms 2.00 ? 0.70 part longitudinal balance thd @ 135 insertion loss @ 135 return loss @ 135 isolation voltage number (db) (db) (db) (db) (vrms @ 60 sec) b1017 -53 (40khz to 200khz) - 70 (10khz, 5.0vrms) 0.40 (26khz to 200khz) 19 (40khz to 200khz) 1500 b1018 -53 (30khz to 300khz) - 70 (40khz, 1.85vrms) 0.50 (40khz) 16 (40khz to 300khz) 1500 b1028 -50 (40khz to 300khz) - 70 (20khz, 4.5vrms) ( data not available) 16.5 (40khz to 300khz) 1500 b1020a -50 (30khz to 300khz) - 70 (10khz, 5.0vrms) 0.65 (30khz to 580khz) 16 (40khz to 300khz) 1500 B1040A -50 (30khz to 420khz) - 70 (10khz, 5.0vrms) 0.60 (30khz to 580khz) 16 (40khz to 300khz) 1500 b1075 -50 (30khz to 300khz) - 70 (10khz, 5.0vrms) 0.50 (30khz to 580khz) 16 (40khz to 300khz) 1500 1 transformers are shipped in trays unless tape & reel packaging is specified by adding the suffix ?t? to the part number (i.e. b1028 t ) 2 dcr on the chip side of part number b1075 is given for (7-8) = (8-9) electrical specifications @ 25c ? operating temperature -40c to +85c excellent thd performance small footprint designed to meet ul1950 supplementary insulation requirements for working voltage up to 250vrms additional electrical specifications hdsl line transformers for conexant chipsets mechanicals schematics
! "#$% &" '( ' )* weight . . . . .6.2 grams tray . . . . . . . . .60/tray b10xx (tht) b10xx (smt) unless otherwise specified, all tolerances are .010 0,25 dimensions: inches mm www.pulseeng.com b978.b (12/05) for more information: pulse worldwide headquarters 12220 world trade drive san diego, ca 92128 u.s.a. www.pulseeng.com tel: 858 674 8100 fax: 858 674 8262 pulse northern europe 3 huxley road surrey research park guildford, surrey gu2 5re united kingdom tel: 44 1483 401700 fax: 44 1483 401701 pulse southern europe zone industrielle f-39270 orgelet france tel: 33 3 84 35 04 04 fax: 33 3 84 25 46 41 pulse south asia 150 kampong ampat #07-01/02 ka centre singapore 368324 tel: 65 6287 8998 fax: 65 6280 0080 pulse north asia 3f-4, no. 81, sec. 1 hsin tai wu road hsi-chih taipei hsien taiwan tel: 886 2 26980228 fax: 886 2 26980948 pulse china headquarters no. 1 industrial district changan, dongguan china tel: 86 769 5538070 fax: 86 769 5538870 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. ? copyright, 2005. pulse engineering, inc. all rights reserved. pulse north china room 1002 no. 819 nanjing west rd shanghai china tel: 86 21 32181071 fax: 86 21 32181396
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