mechanicals schematics T3020 (date code) (country of origin) .505 max 12,83 .350 8,89 .245 max 6,22 .050 1,27 .375 max 9,53 .280 max 7,11 .004/0,10 16 surfaces 16x .018 .002 0,46 0,05 .050 1,27 .350 8,89 .328 8,33 suggested pad layout 16x .029 .001 0,74 0,03 .075 1,91 0? 8 .010 0,25
dimensions: inches mm unless otherwise specified, all tolerances are .010 0,25 turns ocl primary ocl primary l l c w/w isolation primary part ratio @ 25c @ -40c (h max) (pf max) voltage package/ pins number (2%) (h min) (h min) (vrms min) schematic tx rx tx rx tx rx tx rx tx rx tx rx T3020 1:2ct 1:1 40 100 19 40 .120 .120 10 10 1500 bh/1 16-14 6-8 tx3025 1ct:1ct 1:1 100 100 40 40 .120 .120 10 10 1500 bh/2 6-8 16-15 tx3026 1:2ct 1:1 100 100 40 40 .120 .120 10 10 1500 bh/3 7-8 16-15 note: optional tape & reel packaging can be ordered by adding a ? t ? suffix to the part number (ex: T3020 t ). t3/ds3/e3/sts-1 transformers dual smt, extended temperature range electrical specifications @ 25c ? operating temperature -40c to +85c dual smt package contains both transmit and receive transformers operating temperature of -40c to +85c models matched to leading transceiver ics return loss meets requirements of g.703 1500 vrms isolation per ul1459 and ul1950 bh preliminary t655.p (3/02) u.s: 858 674 8100 u.k: 44 1483 401 700 france: 33 3 84 35 04 04 singapore: 65 287 8998 taiwan: 886 2 2698 0228 http://www.pulseeng.com weight . . . . . . . . . . . . . .1.0 grams tape & reel . . . . . . . . . . . .600/reel tube . . . . . . . . . . . . . . . . . .40/tube
performance warranty of products offered on this data sheet is limited to the parameters specified. data is subject to change without notice. other brand and product names mentioned herein may be trademarks or registered trademarks of their respective owners. for more information : printed on recycled paper. ?2002, pulse engineering, inc. preliminary t655.p (3/02) transformer selection guide ic manufacturer octal smt dual smt single smt single tht single tht ic part number standard temp ext temp standard temp extended temp 3 kvrms tx & rx tx &rx transmit receive transmit receive transmit receive transmit receive conexant (rockwell) cn8331, cn8332, cn8333 t3048 T3020 1 pe-65967 pe-65967 t3001 t3001 pe-65966 pe-65966 pe-68629 pe-68629 infineon technologies t3011/ peb3452 ? ? ? ? t3027 t3001 ???? lucent technologies t7296 t3048 ? pe-65967 ? t3001 ? pe-65966 ? pe-68629 exar xrt7295, xrt7295e t3048 T3020 1 ? pe-65967 ? t3001 ? pe-65966 ? pe-68629 xrt7296, xrt7298 t3048 T3020 1 pe-65967 ? t3001 ? pe-65966 ? pe-68629 ? xrt73l00, l03,l04 t3048 T3020 1 pe-65967 pe-65967 t3001 t3001 pe-65966 pe-65966 pe-68629 pe-68629 xrt7300, xrt7302 t3048 T3020 1 pe-65967 pe-65967 t3001 t3001 pe-65966 pe-65966 pe-68629 pe-68629 tdk semiconductor 78p2241 t3049/t3048 T3020 pe-65968 pe-65967 t3002 t3001 pe-65969 pe-65966 pe-68630 pe-68629 78p2244/43/42 t3049/t3048 T3020 pe-65968 pe-65967 t3002 t3001 pe-65969 pe-65966 pe-68630 pe-68629 78p7200l t3049/t3048 T3020 pe-65968 pe-65967 t3002 t3001 pe-65969 pe-65966 pe-68630 pe-68629 78p7200 t3049 2 T3020 1 pe-65968 pe-65968 t3002 t3002 pe-65969 pe-65969 pe-68630 pe-68630 78p2362, 78p2361 t3049/t3048 T3020 pe-65968 pe-65967 t3002 t3001 pe-65969 pe-65966 pe-68630 pe-68629 transwitch mrt txc-02050 e3 t3049/t3048 T3020 pe-65968 pe-65967 t3002 t3001 pe-65969 pe-65966 pe-68630 pe-68629 art txc-02020 t3048 T3020 1 pe-65967 pe-65967 t3001 t3001 pe-65966 pe-65966 pe-68629 pe-68629 arte txc-02021 t3048 T3020 1 pe-65967 pe-65967 t3001 t3001 pe-65966 pe-65966 pe-68629 pe-68629 dart txc-2030, ds3 t3048 T3020 1 pe-65967 pe-65967 t3001 t3001 pe-65966 pe-65966 pe-68629 pe-68629 dart txc-2030, e3 t3049/t3048 T3020 pe-65968 pe-65967 t3002 t3001 pe-65969 pe-65966 pe-68630 pe-68629 ds3lim-sn txc20153g t3048 T3020 1 pe-65967 pe-65967 t3001 t3001 pe-65966 pe-65966 pe-68629 pe-68629 e3lim txc-20163 t3049/t3048 T3020 pe-65968 pe-65967 t3002 t3001 pe-65969 pe-65966 pe-68630 pe-68629 note: for other t3/ds3/e3/sts-1 transformers, please see data sheets t606 and t619 . application notes 1. the transformers have been developed for use as transmit and receive transformers in t3 or ds3 links, using bit rates of 44.736 mbps and b3zs coding on coaxial cable. the charac- teristics allow compliance with the pulse templates of ccitt g.703 as well as att t.a.34. the transformers are also suit- able for the e3 interface at 34.368 mbps with hdb3 coding or sts-1 applications, at 51.84 mbps according to bellcore ta- nwt-000253. 2. bandwidth specifications are typical in a 75 w system. return loss meets the requirements of g.703. materials used in the products are ul94-v0 recognized. products meet the require- ments of iec 695-2-2 (needle flame test). 3. for those applications requiring a 1:1 turns ratio on the trans- mit side, use only one half of the secondary (2ct) winding. 4. optional tape & reel packaging can be ordered by adding a ?t? suffix to the part number (i.e. ts3026 t ) t3/ds3/e3/sts-1 transformers dual smt, extended temperature range 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) 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 hong kong (china/hong kong) 19/f, china united plaza 1008 tai nan west street cheung sha wan, kowloon hong kong, china tel: 852 2788 6588 fax: 852 2776 1055 distributor
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