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| ISDN MAGNETICS U Interface Transformers * Water-soluable flux and total-immersion cleaning compatible Qualified per Bellcore TR-TSY-000357-1 * * * Compatible with various Lucent transceiver ICs UL and CSA approved TM00203 ELECTRICAL SPECIFICATIONS at 25 C Part Number Turns Ratio 2% Secondary Inductance* mH min Leakage Inductance H max Pri DCR Isolation Vrms min Sec 2754H2 1.0 : 1.5 77.0 172 5.2 - 5.6 12.35 - 13.55 1000 2754J2 1.0 : 1.5 77.0 172 6.4 - 7.35 11.7 - 13.65 1000 2754K2 1.0 : 1.5 77.0 172 6.1 - 7.4 14.1 - 17.4 1500 * Measured at 1 kHz, 0.1 Vac SCHEMATIC Compatible Transceiver ICs Part Number IC Mfr IC Part Number 2754H2 2754J2 2754K2 5 9 2754H2 T7234 T7237 T7256 T7264 6 CT 10 Lucent 2754J2 2754K2 1 Primary 7 Secondary (c)2001 Bel Fuse Inc. Specifications subject to change without notice. 02.01 Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com T2-7 ISDN MAGNETICS TM00203 U Interface Transformers MECHANICAL 10 9 8 7 6 2754H2 2754J2 2754K2 0.800 [20.32] centers 1.08 [27.43] max 1 2 3 4 5 Terminal 1 index 1.03 [26.16] max 0.48 [12.19] max Terminals 0.023 sq. [0.584] 0.200 [5.08] Note: Unless otherwise specified, dimensions are nominal and in inches [millimeters]. 0.110 [2.79] (c)2001 Bel Fuse Inc. Specifications subject to change without notice. 02.01 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 T2-8 |
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