8485 FILTRAN | Alldatasheet
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229 Colonnade Road, Ottawa, Ontario, Canada K2E 7K3
Tel: (613) 226-1626 Fax: (613) 226-7124 www.filtran.com ISDNS-Bus An ISO 9001 Registered Company ISSUE: D 123/04/02 8485-8489 Units matched to leading transceiver IC’s. Meet the impedance requirements of CCITT 1.430 for both TE and NT over extended temperature range –40 to + 85°C. Input/Output Modules 8485-8489 Mechanical and Schematic (All dimensions in inches) Unless specified all tolerances are XX +/- 0.01" SUGGESTED PAD LAYOUT SCHEMATIC Transformer Choke Part Number Ratio ±2% (Pri:Sec) L Pri (mH MIN) LL Sec (µH MAX) Cw/w (pF MAX) CD Pri (pF MAX) DCR Pri (Ω +25% MAX) DCR Sec (Ω +25% MAX) L DCR (Ω MAX) Secondary Pins 8485 1CT:1CT 30 10 150 100 3.4 3.4 4.7 mH 1.4 20-18, 13-11 8486 1CT:2.5CT 30 10 150 100 3.4 7.0 470 µH 1.4 20-18, 13-11 8487 1CT:2CT 30 10 150 100 3.4 5.4 470 µH 1.4 20-18, 13-11 8489 1CT:2CT 30 10 150 100 3.4 5.4 4.7 mH 1.4 20-18, 13-11 ELECTRICAL SPECIFICATION @ 25˚C IC MFG. FILTRAN P/N AMD LUCENT (AT&T) T7234, T7254, T7250, T7256, T7259 . . . . 8486, 8488 MIETEC MITEL MOTOROLA IC MFG. FILTRAN P/N NATIONAL SGS THOMSON SIEMENS YAMAHA