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. 02.02 tm02129 page 1 ds3/e3/sts-1 dual transformers schematics electrical specifications at 25 c s554-6500-15 ? optimized for line transceivers operating at e3, ds3 or sts-1 rates: 34.368 mb/s, 44.736 mb/s, 51.84 mb/s ? transmit transformer and receive transformer in one 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 1. terminated in 75 w for 1 : 1 ratios and 300 w for 1 : 2 ratios 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 w w w w w n o i t a c i l p p a 1 c e s : i r p 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 a l i o c b l i o c a l i o c b l i o c a l i o c b l i o c a l i o c b l i o c b & a l i o c a l i o c b l i o c a l i o c b l i o c 5 1 - 0 0 5 6 - 4 5 5 s1 : 11 : 10 80 80 40 49 0 . 09 0 . 00 15 25 28 18 1 6 1 - 0 0 5 6 - 4 5 5 s1 : 1t c 1 : t c 10 80 80 40 49 0 . 00 1 . 00 15 25 28 18 1 7 1 - 0 0 5 6 - 4 5 5 st c 2 : 11 : 10 80 80 40 49 0 . 09 0 . 00 15 25 28 18 1 8 1 - 0 0 5 6 - 4 5 5 s1 : 1t c 2 : 10 80 80 40 49 0 . 09 0 . 00 15 25 28 18 1 s554-6500-16 secondary p r im ary c o i l a c o i l b 1 : 1 1 : 1 1 2 3 4 5 6 7 8 9 1 0 11 1 2 1 3 1 4 1 5 1 6 coil a coil b 1 : 1 1 c t : 1 c t sec o ndary p r i m ary 1 2 3 4 5 6 7 8 9 1 0 11 1 2 1 3 1 4 1 5 1 6
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. 02.02 tm02129 page 2 ds3/e3/sts-1 dual transformers 0.485 [12.32] max 0.3 7 5 [ 9 .53] max 0.285 [ 7 .24] max 0.018 0.002 [0.4 6 0.05] 0.225 [5. 7 2] max 0.050 [1.2 7 ] 0.003 [0.08] m in 0.350 0.010 [8.8 9 0.25] 0.008 - 0.012 [0.20 - 0.30] 0.035 [0.8 9 ] 6 n o m 0.025 [0. 6 4] 0.0 7 0 [1. 7 8] 0.050 [1.2 7 ] 0.425 [10.80] suggested pcb p a d l a y o ut d i m e n s i o n s a r e in in ch es [m i ll i m ete r s ]. st a n d a r d d i m e n s i o n t o l e r a n c e i s 0.005 [0.13] u n l ess o t h e rw i se n o ted . 0.004 [0.10] mechanical s554-6500-15 s554-6500-16 s554-6500-17 S554-6500-18 tape and reel packaging 24 mm wide by 12 mm pitch; 13 inch od, 4 inch id 750 modules per reel, maximum meets ansi/eia 481-2 carrier tape standards - jedec so package s554-6500-17 S554-6500-18 secondary p r im ary c o i l a c o i l b 2 c t : 1 1 : 1 1 2 3 4 5 6 7 8 9 1 0 11 12 1 3 1 4 1 5 1 6 coil a coil b 1 : 1 1 : 2 c t sec o ndary p r i m ary 1 2 3 4 5 6 7 8 9 1 0 11 1 2 1 3 1 4 1 5 1 6 schematics
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