bel fuse inc. 198 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com ?2000 bel fuse inc. specifications subject to change without notice. 09.00 tm00141 t1-91 electrical specifications at 25 c schematics ? operates at the rate of 1.544 mb/s and the e1 rate of 2.048 mb/s ? interwinding electrostatic shield provides low capacitance and high emi suppression ? 2771k and s553-6500-84: winding (4-1) is hardened to handle a 6a surge for 1 second ? 2771M: all windings are hardened to handle a 6a surge for 1 second ? minimum interwinding breakdown voltage of 1500 vrms high frequency magnetics t1/e1 surface mount shielded hardened transformers 2771M ? operating temperature range: -40 c to +85 c ? 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 s553-6500-84 2771k 6 5 8 4 2 3 1 s primary secondary r e b m u n t r a p o i t a r s n r u t % 2 y r a m i r p e c n a t c u d n i 1 n i m h m e g a k a e l e c n a t c u d n i 2 x a m h r c d w w w w w x a m g n i d n i w r e t n i e c n a t i c a p a c 3 x a m f p c e s : i r p i r p c e s 3 k 1 7 7 22 : t c 15 7 . 28 . 20 7 . 00 5 . 20 1 m 1 7 7 2t c 7 3 . 1 : 10 1 . 15 6 . 05 4 . 05 6 . 05 4 8 - 0 0 5 6 - 3 5 5 s1 : t c 15 7 . 28 . 20 7 . 05 2 . 10 1 c a v 1 . 0 , z h k 0 1 t a d e r u s a e m . 1 c a v 1 . 0 , z h k 0 0 1 t a d e r u s a e m . 2 d e d n u o r g d l e i h s h t i w . 3 4 1 5 7 6 8 2 s primary secondary
corporate bel fuse inc. 198 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 ?2000 bel fuse inc. specifications subject to change without notice. 09.00 tm00141 t1-92 mechanical s553-6500-84 2771k 2771M high frequency magnetics t1/e1 surface mount shielded hardened transformers 0.590 (14.99) max 0.120 (3.05) 0.160 (11.68) 0.495 (12.57) max 0.430 (10.92) max terminal 1 identifier 0.395 (10.03) max 0.23 (0.58) x 0.100 (2.54) foot (phosphor bronze, solder coated) 1 23 4 8 7 6 5 0.004 8 edges 0.100 (2.54) typ 0.255 (6.48) component center 0.008 (0.203) 2 places 0.045 (1.14) typ recommended pcb pattern 0.120 (3.05) typ unless otherwise specified, dimensions are nominal and in inches (millimeters).
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