10/100BASE-T LAN MAGNETICS Dual Transformer Modules LM00405 • Dual, two-port designs provide excellent EMI and common mode noise suppression • Meets all IEEE 802.3 standards including 350µH with 8mA bias • Optimized for board layouts utilizing single row and dual stack RJ-45 connectors • Low profile, surface mount packaging rated to 225° C peak IR reflow temperature • Operating temperature 0° to 70° C • Minimum interwinding breakdown voltage of 1500 Vrms ELECTRICAL SPECIFICATIONS AT 25° C Insertion Loss dB max Common to Differential Mode Rejection dB min Return Loss dB min Part Number 100kHz to 100MHz 100kHz to 30MHz 30MHz to 60MHz 60MHz to 80MHz S558-5999-65 -1.0 -20 -18 -10 -40 S558-5999-75 -1.0 -20 -18 -10 S558-5999-79 -1.0 -20 -18 S558-5999-83 -1.0 -20 S558-5999-A4 -1.0 S558-5999-A6 Common to Common Mode Rejection dB min 100kHz to 100MHz Crosstalk dB min 1MHz 30MHz 60MHz 100MHz -30 -65 -55 -45 -35 -40 -30 -65 -55 -45 -35 -10 -40 -30 -65 -55 -45 -35 -18 -10 -40 -30 -65 -55 -45 -35 -20 -18 -10 -40 -30 -65 -55 -45 -35 -1.0 -20 -18 -10 -40 -30 -65 -55 -45 -35 S558-5999-A8 -1.0 -20 -18 -10 -40 -30 -65 -55 -45 -35 S558-5999-A9 -1.0 -20 -18 -10 -40 -30 -65 -55 -45 -35 Turns Ratio Turns Ratio Part Number Part Number TX RX S558-5999-65 2CT : 1 : 2CT 1CT : 1CT S558-5999-75 1CT : 1 S558-5999-79 S558-5999-83 TX RX S558-5999-A4 1CT : 1 1CT : 1CT 1CT : 1CT S558-5999-A6 1CT : 1 1CT : 1CT 1CT : 1 1CT : 1CT S558-5999-A8 1CT : 1CT 1CT : 1CT 1.23CT : 1CT 1CT : 1CT S558-5999-A9 1CT : 1CT 1CT : 1CT ©2001 Bel Fuse Inc. Specifications subject to change without notice. 09.01 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com L4-13 10/100BASE-T LAN MAGNETICS Dual Transformer Modules LM00405 SCHEMATICS S558-5999-65 S558-5999-75 2CT : 1 : 2CT 1 2 TX1 3 4 1CT : 1CT 2 39 RX1 3 38 4 37 40 38 5 1CT : 1CT 7 RX1 8 9 34 12 34 8 33 1CT : 1CT 12 13 TX2 14 15 28 16 27 1CT : 1CT 22 RX2 19 28 14 27 1CT : 1 16 TX2 17 24 18 23 S558-5999-79 TX1 1CT : 1 S558-5999-83 39 3 38 4 37 1CT : 1CT 6 35 RX1 7 34 8 33 12 1CT : 1 1.23CT : 1CT TX1 2 28 14 27 37 4 RX1 6 1CT : 1CT 7 8 25 RX2 17 24 18 23 35 33 32 12 TX2 13 1.23CT : 1CT 16 RX2 17 18 30 29 27 14 1CT : 1CT 40 39 3 29 TX2 13 16 25 23 21 20 2 29 RX2 13 29 18 35 7 TX1 32 2CT : 1 : 2CT 1CT : 1 6 33 39 1CT : 1CT 25 23 22 ©2001 Bel Fuse Inc. Specifications subject to change without notice. 09.01 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com L4-14 10/100BASE-T LAN MAGNETICS Dual Transformer Modules LM00405 SCHEMATICS S558-5999-A6 S558-5999-A4 1CT : 1CT RD1+ 2 RCT1 3 38 RCMT1 RD1- 4 37 RX1+ 39 RX1- 1CT : 1CT 2 RD1+ 39 TX138 TCMT1 RCT1 3 37 TX1+ RD1- 4 35 TX1- TD1+ 6 34 TCMT1 TCT1 7 33 TX1+ TD1- 29 RX2- TD2- 12 TCT2 13 28 RCMT2 TCT2 13 28 TCMT2 TD2+ 14 27 RX2+ TD2+ 14 27 TX2+ 25 TX2- RD2- 16 TD1+ 6 1CT : 1 TCT1 7 TD1- 8 TD2- 12 1CT : 1 RD2- 16 1CT : 1CT 1CT : 1 35 RX134 RCMT1 33 RX1+ 8 1CT : 1 29 TX2- 1CT : 1CT 25 RX2- RCT2 17 24 TCMT2 RCT2 17 24 RCMT2 RD2+ 18 23 TX2+ RD2+ 18 23 RX2+ S558-5999-A8 1CT : 1CT S558-5999-A9 1CT : 1CT 39 RX1- RD1+ 2 RCT1 3 38 RCMT1 RCT1 3 38 TCMT1 RD1- 4 37 RX1+ RD1- 4 37 TX1+ 35 TX1- TD1+ 6 TCT1 7 34 TCMT1 TCT1 7 34 RCMT1 TD1- 8 33 TX1+ TD1- 8 33 RX1+ RD1+ 2 TD1+ 6 TD2- 12 1CT : 1CT 1CT : 1CT 29 RX2- TCT2 13 28 RCMT2 TD2+ 14 27 RX2+ RD2- 16 1CT : 1CT 25 TX2- RCT2 17 24 TCMT2 RD2+ 18 23 TX2+ TD2- 12 1CT : 1CT 39 TX1- 35 RX1- 1CT : 1CT 29 TX2- TCT2 13 28 TCMT2 TD2+ 14 27 TX2+ RD2- 16 1CT : 1CT 25 RX2- RCT2 17 24 RCMT2 RD2+ 18 23 RX2+ ©2001 Bel Fuse Inc. Specifications subject to change without notice. 09.01 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com L4-15 10/100BASE-T LAN MAGNETICS Dual Transformer Modules LM00405 MECHANICAL S558-5999-65 S558-5999-75 S558-5999-79 S558-5999-83 S558-5999-A4 S558-5999-A6 S558-5999-A8 S558-5999-A9 1.100 [27.94] max 0.070 [1.78] ref 0.050 [1.27] 0.645 [16.38] 0.480 [12.19] 0.050 [1.27] 0.212 [5.38] ref 0.020 ±0.002 [0.51 ±0.05] 0.070 [1.78] R 0.015 [0.39] 0.030 [0.77] Suggested PCB Pad Layout R 0.005 [0.13] 0.225 [5.72] max 0.950 [24.13] 0.035 [0.89] 0.004 [0.10] 0.600 [15.24] 0.005 [0.13] min 0˚- 5˚ 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. 09.01 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 L4-16