10/100BASE-T LAN MAGNETICS Single Port Transformer Modules • Meets all IEEE 802.3 standards including 350µH with 8mA bias • Low profile, surface mount packaging rated to 225° C peak IR reflow temperature LM00406 • Small form factor for board layout efficiency • 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 Common to Differential Mode Rejection dB min Return Loss dB min TX RX 100kHz to 100MHz 100kHz to 30MHz 30MHz to 60MHz 60MHz to 80MHz S558-5999-J1 1CT : 1CT 1CT : 1CT -1.0 -16 16 - 20log (f/30MHz) -10 -40 S558-5999-J2 1CT : 1CT 1CT : 1CT -1.0 -16 16 - 20log (f/30MHz) -10 S558-5999-K9 2CT : 1CT 1CT : 1CT -1.1 -16 16 - 20log (f/30MHz) S558-5999-N3 1CT : 1.41CT 1CT : 1CT -2.0 -16 S558-5999-T7 1CT : 1CT 1CT : 1CT -1.0 S558-5999-U7 1CT : 1CT 1CT : 1CT -1.0 Common to Common Mode Rejection dB min 100kHz to 100MHz Crosstalk dB min 1MHz 30MHz 60MHz 100MHz -30 -65 -55 -45 -35 -38 -30 -60 -50 -40 -30 -10 -40 -30 -65 -55 -45 -40 16 - 20log (f/30MHz) -10 -40 -30 -65 -55 -45 -35 -18 18 - 20log (f/30MHz) -12 -40 -30 -65 -55 -45 -35 -18 18 - 20log (f/30MHz) -12 -40 -30 -65 -55 -45 -35 SCHEMATICS S558-5999-J1 TD+ 1 1CT : 1CT 16 TX+ 15 TXCT TDCT 2 TD- 3 RD+ 6 S558-5999-J2 1CT : 1CT RD- 8 TD- 3 11 RX+ RD+ 6 9 TD+ 1 RX- 2CT : 1CT TD- 3 RD+ 6 RDCT 7 RD- 8 RDCT 7 RD- 8 16 TX+ 15 TXCT 14 TX- 1CT : 1CT 11 RX+ 10 RXCT 9 RX- 16 TX+ 15 TXCT TDCT 2 S558-5999-K9 1CT : 1CT TDCT 2 14 TX- 10 RXCT RDCT 7 TD+ 1 14 TX1CT : 1CT 11 RX+ 10 RXCT 9 RX- ©2006 Bel Fuse Inc. Specifications subject to change without notice. 03.06 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com L4-17 10/100BASE-T LAN MAGNETICS Single Port Transformer Modules LM00406 SCHEMATICS S558-5999-T7 S558-5999-N3 1CT : 1.414CT 1CT : 1CT 16 TX1 RD+ 16 1 15 TXCT RDCT 15 2 RXCT 14 TX+ RD- 11 RX- RDCT 7 10 RXCT RD+ 8 9 TD- 1 TDCT 2 TD+ 3 RD- 6 3 RX- TD+ 11 6 TX+ TDCT 10 7 TXCT TD- 8 14 1CT : 1CT 1CT : 1CT RX+ RX+ 9 TX- S558-5999-U7 TD1 1 1CT : 1CT 16 TX15 TXCT TDCT 2 TD+ 3 RD- 6 14 TX+ 1CT : 1CT 11 RX10 RXCT RDCT 7 RD+ 8 MECHANICAL S558-5999-J1 S558-5999-J2 S558-5999-K9 S558-5999-N3 S558-5999-T7 S558-5999-U7 9 RX+ 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. ©2006 Bel Fuse Inc. Specifications subject to change without notice. 03.06 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 L4-18