10BASE-T LAN MAGNETICS Single Port Transformer Module LM01509 • Transformer turns ratio RX 1CT : 1CT and TX 1CT : 2.5CT • Low profile, surface mount packaging rated to 225° C peak IR reflow temperature • Utilizes standard surface mount packaging • Operating temperature 0° to 70° C • Minimum interwinding breakdown voltage of 1500 Vrms ELECTRICAL SPECIFICATIONS AT 25° C Insertion Loss dB max Part Number OCL µH min 1MHz to 10MHz S553-5999-F5 -1.0 230 Common to Common Mode Rejection dB min Return Loss dB min Crosstalk dB min 1MHz to 10MHz 10MHz to 30MHz 30MHz to 100MHz 1MHz to 10MHz -18 -40 -30 -40 SCHEMATIC S553-5999-F5 1 1CT : 1CT 16 RX 2 15 3 14 1CT : 2.5CT 6 11 TX 7 10 8 9 ©2001 Bel Fuse Inc. Specifications subject to change without notice. 12.01 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com page 1 10BASE-T LAN MAGNETICS Single Port Transformer Module LM01509 MECHANICAL S553-5999-F5 0.500 [12.70] max Suggested PCB Pad Layout 0.375 0.285 [9.53] [7.24] max max 0.018 ±0.002 [0.46 ±0.05] 0.425 [10.80] 0.050 [1.27] 0.050 [1.27] 0.025 [0.64] 0.070 [1.78] 0.225 [5.72] max 0.004 [0.10] 0.015 [0.38] 0.350 ±0.010 [8.89 ±0.25] 0.008 - 0.012 [0.20 - 0.30] 0.035 [0.89] 4˚ nom Dimensions are in inches [millimeters]. Standard dimension tolerance is ±0.005 [0.13] unless otherwise noted. ©2001 Bel Fuse Inc. Specifications subject to change without notice. 12.01 CORPORATE FAR EAST EUROPE Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com 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 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 page 2