8263

LAN 10/100 Base-T Single Port Transformer Module 8261- 8263 • Provides excellent EMI filtering • Designed for use with data grade unshielded twisted pair cable (UTP-5) • Suitable for adapter card cable and multiport applications • Meets IEEE 802.3 and ANSI X3.263 standards, including 350µH OCL with 8mADC bias MECHANICAL AND SCHEMATIC (All dimensions in inches) SUGGESTED PAD LAYOUT SCHEMATIC Center-tapped inductor not included in 8261, so pin 12 connects to the transformer center tap. ELECTRICAL SPECIFICATION @ 25˚C Insertion Loss (dB MAX) 0.1-100 MHz 8261 82621 8263 -1.0 -1.0 -1.0 1-30 MHz -22 -22 -20 Differential to Common Mode Rejection (dB MIN) 60-80 MHz -12 -12 -14 30 MHz -42 -45 -42 60 MHz -38 -40 -36 100 MHz -32 -35 -33 30 MHz -50 -50 -50 8261 - 8263 Part Number Return Loss (dB MIN @ 100Ω) 40 MHz -20 -20 -20 50 MHz -18 -18 -18 Crosstalk (dB TYP) 60 MHz -40 -40 -40 100 MHz -40 -40 -40 Hipot (Vrms MIN) ISSUE: A 24/07/01 1500 1500 1500 1. Rise time optimized for National’s DP83843. An ISO 9001 Registered Company 229 Colonnade Road, Nepean, Ontario, Canada K2E 7K3 Tel: (613) 226-1626 Fax: (613) 226-7124 www.filtran.com