bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 fax 201-432-9542 www.belfuse.com high frequency magnetics ?2002 bel fuse inc. specifications subject to change without notice. 05.02 tm02134 page 1 ds3/e3/sts-1 dodecal transformer module schematic electrical specifications at 25 c 1. terminated in 75 ? on ic side S554-6500-27 optimized for line transceivers operating at e3, ds3 or sts-1 rates: 34.368 mb/s, 44.736 mb/s, 51.84 mb/s twelve line interface transformers in a single surface mount package meets itu-t g.703 return loss from -40 to +85 c from 860 khz to 51.55 mhz ul 1950 approved: file number e150991 operating temperature range -40 to +85c meets iec 695, 2-2 flammability requirements pwb process capability: standard printed wiring board assembly techniques, total-immersion cleaning reliability testing: shock, vibration, temperature cycling, temperature - humidity - bias interwinding breakdown voltage: 1500 vrms min the module is symmetrical and either side can be connected to the ic or to the line. all transformers will support either tx or rx operation. r e b m u n t r a p o i t a r s n r u t % 2 e c n a t c u d n i y r a m i r p z h k 0 0 1 t a e g a k a e l e c n a t c u d n i z h m 1 t a e c n a t i c a p a c w / w c z h m 2 7 . 1 t a s s o l n r u t e r 5 7 ? ? ? ? ? n o i t a c i l p p a 1 e n i l : c i c 5 2 n i m h c 0 4 - n i m h x a m h x a m f p c 5 2 p y t b d c 5 8 + o t 0 4 - n i m b d x t x r x t x r x t x r x t x r x r & x t x t x r x t x r 7 2 - 0 0 5 6 - 4 5 5 s1 : 11 : 10 80 80 40 40 1 . 00 1 . 00 15 25 28 18 1 1 1 : 1 16 5 8 12 13 14 15 47 48 37 45 42 43 44 ic side line side 1 : 1 1 : 1 1 : 1 1 : 1 1 : 1 1 : 1 1 : 1 4 6 7 10 11 38 39 40 2 3 9 33 34 35 36 41 24 20 21 22 23 29 1 : 1 1 : 1 1 : 1 1 : 1 18 30 31 32 17 25 26 27 28 19 46
corporate bel fuse inc. 206 van vorst street jersey city, nj 07302 tel 201-432-0463 fax 201-432-9542 www.belfuse.com far east bel fuse ltd. 8f / 8 luk hop street san po kong kowloon, hong kong tel 852-2328-5515 fax 852-2352-3706 www.belfuse.com europe bel fuse europe ltd. preston technology management centre marsh lane, suite g7, preston lancashire, pr1 8ud, u.k. tel 44-1772-556601 fax 44-1772-888366 www.belfuse.com high frequency magnetics ?2002 bel fuse inc. specifications subject to change without notice. 05.02 tm02134 page 2 ds3/e3/sts-1 dodecal transformer module mechanical tape and reel packaging 44 mm wide by 24 mm pitch; 13 inch od, 6 inch id 200 modules per reel, maximum meets ansi/eia 481-2 carrier tape standards - jedec so package S554-6500-27 1.105 [28.07] max 0.60 [15.24] 0.48 [12.19] 0.088 [2.22] 0.016 ?.002 [0.41 ?.05] 0.040 [1.02] typ 0.920 [23.37] 0.295 [7.49] max 0.010 [0.25] min 2 x 0.060 [1.52] 2 x 0.035 [0.89] 0.024 [0.61] 0?- 5? r0.005 [r0.13] r0.00 5 [r0.13] 0.070 [1.78] 0.645 [16.38] 0.040 [1.02] suggested pcb pad layout 0.004 [0.10] dimensions are in inches [millimeters]. standard dimension tolerance is ?.005 [0.13] unless otherwise noted.
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