universal microelectronics co.,ltd. 3,27th rd.,taichung industrial park, tel:886 - 4 - 23590096 fax:886 - 4 - 23590129 taichung,taiwan,r.o.c http://www.umec - web.com e - mail:business@umec.com.tw data sheet specifications rev. um mo d el no.: UT12002 10/100base - t single port surface mount magnetics a3 02/42 features: 1. meets ieee 802.3 and ansi x.3.263 standards including 350uh ocl with 8ma bias. 2. designed for reflow soldering at tem perature 230 5 o c. 3. compact footprint for use in the most space restrictive applications. 4. turns ratio tolerance: 5% 5. operating temperature: - 40 o c to +85 o c electrical specification @25 o c : 1. insertion loss : - 1.1db max. @ 0.10 -- 100mhz. t x/rx 2. return loss : - 20db min. @ 30mhz. tx/rx - 14db min. @ 60mhz. tx/rx - 11.5db min. @ 80mhz. tx/rx 3. diff. to com. mode rejection : - 42db min. @ 30mhz. tx/rx - 37db min. @ 60mhz. tx/rx - 33db min. @ 100mhz. tx/rx 4. cross talk : - 45db min. @ 30mhz. tx to rx - 40db min. @ 60mhz. tx to rx - 35db min. @ 100mhz. tx to rx. 5. hi - pot : 1500vrms/2sec. leakage current 0.5ma max./input to output. di mensions & schematic : note: 1. packaging information - tape and reel according to item no. ?so16a? of data sheet 01 - 00 2. specifications are subject to change without prior notice. unit: mm tolerances: 0.25mm e10 - 007 - c suggested pad layout coplanarity: 0.1mm transmit 8 7 6 3 2 1 1ct:1ct 1ct:1ct receive 10 15 9 11 14 16 free datasheet http:///
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