universal microelectronics co.,ltd. 3,27th rd.,taichung industrial park, tel:886 - 4 - 23590096 fax:886 - 4 - 2 3590129 taichung,taiwan,r.o.c http://www.umec - web.com e - mail:business@umec.com.tw data sheet specifications rev. um mo de l no.: UT12005 10/100base - t single port surface mount magnetics a2 03/15 features: 1. meets ieee 802.3 and ansi x.3.263 standards including 350uh ocl with 8ma bias 2. designed for reflow soldering at temp erature 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. ocl: 350uh min. 100khz ,0.1vrms,8ma pin(1 - 3), pin(6 - 8 ) 2. turns ratio tolerance: 3%, pin(1 - 3):(16 - 14), pin(6 - 8):(11 - 9) 3. pri. dcr: 0.9 w max. pin(9 - 11), pin(14 - 16) 4. ll: 0.4uh max. pin(1 - 3), pin(6 - 8) 1mhz , 1vrms 5. cw/w: 35pf max. pri. to sec. 1mhz, 1vrms 6. insertion loss: - 1.1db max. @ 0.10 -- 10 0mhz 7. return loss: - 18db min. @ 0.5 -- 30mhz - 15.5db min. @ 40mhz - 13.6db min. @ 50mhz - 12db min. @ 60 -- 80mhz 8. com. to com. mode rejection: - 40db typ. @ 0.10 -- 100mhz 9. crosstalk: - 40db min. @ 0.10 -- 100mhz 10. hi - pot: 1500vrms/2sec. leakage current 0.5ma max./input to output dimensions & schematic : note: 1. packaging information - tape and reel according to item no. ?so16a? of data sheet 01 - 00 2. specifications are sub ject to change without prior notice. unit: mm tolerances: 0.25mm e10 - 007 - c free datasheet http:///
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