10/100BASE-T LAN MAGNETICS Mini PCI Transformer Module LM00415 • Ultra low profile package height 0.084" (2.13mm) • Meets all IEEE 802.3 standards including 350 µH OCL with 8mA bias • Designed for use in symmetrical Auto MDIX TX and RX channels • IR reflow rating at 225° C peak Other ultra low profile transformer modules available: • UL 1950 file number E169987 • S558-5999-L1 package height 0.078" (1.98mm) • CB certificate number 16017 • S558-5999-L5 package height 0.084" (2.13mm) • Operating temperature 0° to 70° C • Minimum interwinding breakdown voltage of 1500 Vrms • ELECTRICAL SPECIFICATIONS AT 25° C Insertion Loss dB max Turns Ratio Part Number S558-5999-U1 Return Loss dB min Crosstalk dB min Common to Differential Mode Rejection dB min TX RX 1MHz to 100MHz 30MHz 60MHz 80MHz 1MHz to 100MHz 30MHz 50MHz 100MHz 150MHz 1CT : 1CT 1CT : 1CT -1.0 -18 -14 -12 -35 -40 -40 -30 -20 SCHEMATIC S558-5999-U1 Auto MDIX RD+ 1 1CT : 1CT RD- 2 15 RX- RDCT 3 TDCT 6 16 RX+ 14 RXCT 1CT : 1CT 11 TXCT TD+ 7 10 TX+ TD- 8 9 TX- ©2002 Bel Fuse Inc. Specifications subject to change without notice. 06.02 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com page 1 10/100BASE-T LAN MAGNETICS Mini PCI Transformer Module LM00415 MECHANICAL S558-5999-U1 0.375 [19.52] max 0.610 [15.49] max 0.050 [1.27] 0.280 [7.11] 0.420 [10.67] 0.020 ±0.002 [0.51 ±0.05] 0.050 [1.27] 0.065 [1.65] 0.025 [0.64] Suggested PCB Pad Layout 0.004 [0.10] 0.084 [2.13] max 0.350 ±0.005 [8.89 ±0.13] 0.068 [1.73] ref R0.005 [R0.13] typ 0.002 [0.05] min R0.005 [R0.13] typ 0.032 [0.81] 0˚- 5˚ Dimensions are inches [millimeters]. Standard dimension tolerance is ±0.005 [0.13] unless otherwise noted. Note: Other ultra low profile transformer modules available: • S558-5999-L1 package height 0.078" (1.98mm) • S558-5999-L5 package height 0.084" (2.13mm) ©2002 Bel Fuse Inc. Specifications subject to change without notice. 06.02 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