T1/E1 High Frequency Common Mode Choke 7198 • 8 X 2 Line Common Mode Choke • Designed for Quad Port T1/E1 applications • Exceeds high performance EMI reduction required for Multiplexers, Channel Routers and ISP Servers • 500 Vrms isolation MECHANICAL AND SCHEMATIC (All dimensions in inches) SCHEMATIC SUGGESTED PAD LAYOUT 7198 UNLESS OTHERWISE SPECIFIED, ALL TOLERANCES ARE ±0.010 ISSUE: B 23/04/02 ELECTRICAL SPECIFICATION @ 25˚C No. of Lines 16 Turns1 Ratio (±5%) Common Mode Attenuation OCL LL DCR CW/W (µH MIN) (µH MAX) (Ω MAX) (pF MAX) 1:1 47 0.18 0.40 25 (dB TYP) 100kHz 1MHz 10MHz 30MHz 50MHz 100MHz 300MHz 7 27 40 44 42 36 26 1. Turns Ratio: 8 places An ISO 9001 Registered Company 229 Colonnade Road, Nepean, Ontario, Canada K2E 7K3 Tel: (613) 226-1626 Fax: (613) 226-7124 www.filtran.com