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 tm00140 t1-89 high frequency magnetics t1/e1 surface mount shielded tranformers schematics electrical specifications at 25 c 2771D 2771e ? operate at the t1 rate of 1.544 mb/s and the e1 rate of 2.048 mb/s ? interwinding electrostatic shield provides low capaci- tance and high emi suppression ? minimum interwinding breakdown voltage of 1500 vrms 4 1 5 7 6 8 ct 2 s primary secondary ? 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 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 n i m h m e g a k a e l e c n a t c u d n i m m m m m 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 1 x a m f p d e d l e i h s - n o n n o i s r e v c e s : i r p i r p c e s d 1 7 7 2t c 4 1 . 1 : 13 . 15 . 13 5 . 02 6 . 05 b 5 9 7 2 e 1 7 7 2t c 2 : 15 1 . 32 . 30 . 14 . 35 h 5 9 7 2 c a v 1 . 0 , z h k 0 1 t a d e r u s a e m * d n u o r g d e d l e i h s h t i w . 1
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 tm00140 t1-90 high frequency magnetics t1/e1 surface mount shielded tranformers mechanical 2771D 2771e 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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