DATA SHEET SPECIFICATION REV. 1/1 FAST ETHERNET 10BASE-T/100BASE-TX TRANSFORMER MODULES B5 05/31 UM MODEL NO.: UT12118 ELECTRICAL SPECIFICATIONS @250 C : Inductance (uH MIN) Turn Ratio Insertion Loss (dB MAX) Idc=8mA 15.75Hz 1V 0.1-100MHz 1CT:1CT -1.0 350 Return Loss (dB MAX) 2-30 MHz -18 40MHz -14.4 Crosstalk (dB MIN) 50MHz 60-80MHz 1KHz -13.1 -12 -55 30MHz -45 60MHz Diff. To Com. Mode Rej. (dB MIN) 100MHz -40 -33 Hi-pot (Vrms MIN) 1-60 MHz 60-200MHz LEAKAGE CURRENT 0.5mAmax.2 SEC. -37 -25 1500 Operating temperature is 0°C to 70°C. DIMENSIONS & SCHEMATIC : 1.127 Max 28.62 Max UT12118 0.050(TYP) 1.27 1 0.018 0.46 12.18 1.27 20 17.00 21 0.472 12.00 0.640 Max 16.26 Max 40 24.13 0.96 SUGGESTED PAD LAYOUT 0.218 5.55 Date Code XXXXG 0.104/0.004 0.039 1.00 NOTE: 1. Packaging information-tape and reel according to item no. “SO40” of data sheet 01-00. 2. For RoHS compliant products: a.) UMEC Ordering Code: TG-UT12118 b.) Date Code suffix to “G” (xxxxG). c.) Solder: Sn/Ag/Cu. 3. Specifications are subject to change without prior notice. UNIVERSAL MICROELECTRONICS CO.,LTD. TEL:886-4-23590096 FAX:886-4-23590129 http://www.umec-web.com E-mail:[email protected] inches mm 0.013 0.345 0.011 0.290 0° 8° .XXX=±.010 .XX=±.254 Green Product Pb E10-007-C 3,27TH RD.,TAICHUNG INDUSTRIAL PARK, TAICHUNG,TAIWAN,R.O.C