S553-5999-28

10BASE-T LAN MAGNETICS Quad Transformer Module LM00502 • • Transformer turns ratio RX 1 : 1 and TX 1CT : 2CT Filterless quad, four-port designs with common footprint and pinouts Optimized for use with stackable RJ-45 connectors • Low profile, surface mount packaging rated to 225° C peak IR reflow temperature Quad design offers best space, performance and cost efficiency Operating temperature 0° to 70° C Minimum interwinding breakdown voltage of 1500 Vrms • • • • Utilizes standard 40 pin SMD packaging • ELECTRICAL SPECIFICATIONS AT 25° C Insertion Loss dB max Part Number 1MHz to 10MHz Return Loss dB min Common to Common Mode Rejection dB min Crosstalk dB min 5MHz to 10MHz 5MHz to 10MHz 10MHz to 30MHz 30MHz to 100MHz 100KHz to 30MHz S553-5999-28 -1.0 -16 -40 -35 -30 -40 SCHEMATIC 1 RX1 2 3 TX1 4 5 6 TX2 7 8 9 RX2 10 11 RX3 12 13 TX3 14 15 16 TX4 17 18 19 RX4 20 S553-5999-28 1:1 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 ©2001 Bel Fuse Inc. Specifications subject to change without notice. 09.01 1CT : 2CT 1CT : 2CT 1:1 1:1 1CT : 2CT 1CT : 2CT 1:1 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com L5-9 10BASE-T LAN MAGNETICS LM00502 Quad Transformer Module MECHANICAL S553-5999-28 0.070 [1.78] ref 1.100 [27.94] max 0.050 [1.27] 0.480 [12.19] 0.645 [16.38] 0.070 [1.78] R 0.015 [0.39] R 0.005 [0.13] 0.004 [0.10] 0.050 [1.27] 0.020 ±0.002 [0.51 ±0.05] 0.225 [5.72] max 0.030 [0.77] Suggested PCB Pad Layout 0.212 [5.38] ref 0.950 [24.13] 0.035 [0.89] 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 Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com FAR EAST 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 EUROPE 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 L5-10