2768A

ISDN MAGNETICS Dual S Interface Transformer TM00201 • Consists of two identical transformer assemblies mounted in a molded 16-pin DIP terminal header UL and CSA approved • • Minimum interwinding breakdown voltage of 2400 Vrms Qualified per Bellcore TR-TSY-000357-1 • ELECTRICAL SPECIFICATIONS at 25° C DCR Ω max Part Number Turns Ratio ± 2% Primary Inductance mH min Leakage Inductance µH max Pri Interwinding Capacitance pF max Sec Distributed Parallel Capacitance pF max 2768A 1 : 2.5 22.0 4.0 2.3 5.8 100 100 SCHEMATIC 2768A Compatible Transceiver ICs 1 16 IC Mfr IC Part Number T7234 T7250C T7254 T7256 T7259 2 CT 3 Lucent 4 5 13 12 6 CT 7 8 9 Primary Secondary ©2000 Bel Fuse Inc. Specifications subject to change without notice. 05.00 Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com T2-3 ISDN MAGNETICS TM00201 Dual S Interface Transformer MECHANICAL 2768A 0.930 [23.62] max 0.510 [12.95] max 0.110 [2.79] 0.100 [2.54] Terminal 1 Identifier 1 2 3 4 5 6 7 8 0.110 [2.79] 0.495 [12.57] max 16 15 14 13 12 11 10 9 0.400 [10.16] Terminals 0.020 sq. Note: Unless otherwise specified, dimensions [0.508] are nominal and in inches [millimeters]. ©2000 Bel Fuse Inc. Specifications subject to change without notice. 05.00 CORPORATE Bel Fuse Inc. 198 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 T2-4