100 BASE-T / FAST ETHERNET DUAL TRANSFORMERS Part Number T-15500 T-15501 T-15502 Turns Ratio Transmit Receive 1.41CT:1CT 2CT:1CT 1.25CT:1CT 1CT:1CT 1CT:1CT 1CT:1CT Designed for 100 Base-X and Twisted Pair FDDI Electrical Specifications at 25o C OCL (100KHz & 100 mVRMS @8mA) ....................... 350 µH Min. Leakage Inductance .............................................. 0.40 µH Max. CW/W ......................................................................... 20 pF Nom. DCR .......................................................................... 0.9 Ω Max. Rise Time ................................................................ 2.5 ns Nom. Cross Talk (0.1-100 MHz) ......................................... -38 dB Min. CMR (0.1-100MHz) ................................................. -40 dB Nom. Isolation ............................................................... 1500 VRMS Min. Supports 155Mbps ATM applications over UTP-5 cable Dual Module (Transmit and Receive channels) IEEE 802.3 Compatible Low common mode emisions Fast Rise Times Available on Tape & Reel Schematic Physical Dimensions in inches (mm) (Unused Pins Omitted) 1 7 3 5 2 6 16 10 14 11 15 12 TX .900 (22.86) MAX. .410 (10.41) MAX. .260 (6.60) .300 MAX. (7.62) MAX. .020 (0.51) TYP. .010 (0.25) TYP. RX .040 (1.02) TYP. .100 (2.54) TYP. .510 (12.95) .480 (12.19) Part Number T-15525 T-15526 100 BASE-T / FAST ETHERNET SINGLE TRANSFORMERS Designed for 100 Base-X and Twisted Pair FDDI Supports 155Mbps ATM applications over UTP-5 cable Supports either transmit or receive channels IEEE 802.3 Compatible Low common mode emisions Available on Tape & Reel Fast Rise Times Turns Ratio 1CT:1CT 1.41CT:1CT Part Number T-15527 T-15528 Turns Ratio 2CT:1CT 1.25CT:1CT Electrical Specifications at 25o C OCL (100KHz & 100 mVRMS @8mA) ....................... 350 µH Min. Leakage Inductance .............................................. 0.40 µH Max. CW/W ........................................................................... 0 pF Nom. DCR .......................................................................... 0.9 Ω Max. Rise Time ................................................................ 2.5 ns Nom. Cross Talk (0.1-100 MHz) ......................................... -38 dB Min. CMR (0.1-100MHz) ................................................. -40 dB Nom. Isolation ............................................................... 1500 VRMS Min. Dimensions in Inches (mm) Schematic 16 8 15 10 1 9 MAX. MAX. MAX. TYP. Rhombus Industries Inc. .285 (7.24) .205 (5.21) .016 (0.41) Specifications subject to change without notice. .505 (12.83) .050 (1.27) TYP. For other values & Custom Designs, contact factory. 28 .015 (0.38) TYP. .025 (0.64) TYP. .010 (0.25) TYP. .380 (9.65) .360 (9.14) FASTETHR - 1/99 15801 Chemical Lane, Huntington Beach, CA 92649-1595 Tel: (714) 898-0960 • Fax: (714) 896-0971