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HIGH FREQUENCY MAGNETICS T1/E1 Single Through Hole Transformers TM00112 * Designed for 3.3 volt T1/E1 line-interface applications requiring low leakage inductance Initial applications: Lucent T7633, T7693 and T7697 * * Operating Temperature Range: -40 C to +85 C Meets IEC 695, 2-2 flammability requirements PWB Process Capability: Standard Printed Wiring Board assembly techniques, total-immersion cleaning Reliability testing: Shock, vibration, temperature cycling, temperature - humidity - bias * * * Minimum interwinding breakdown voltage of 1500 Vrms * ELECTRICAL SPECIFICATIONS at 25 C DCR max Turns Ratio 2% Part Number Pri : Sec1 Primary Inductance2 H min Leakage Inductance2 H max (1 - 8) Interwinding Capacitance1 pF typ (4 - 5) (3 - 6) 2664AK 1 : 1.91 CT 780 0.50 0.7 0.7 0.6 20 2664AL 1 : 2.1 CT 780 0.55 0.9 1.0 1.0 20 2664AJ 1 : 2.43 CT 970 0.45 1.4 1.8 1.6 20 1. (4 - 6) Connect 3 and 5 2. Measured at 100 kHz, 0.5 Vac SCHEMATIC 2664AJ 2664AK 2664AL 8 6 3 CT 5 1 Primary 4 Secondary (c)2000 Bel Fuse Inc. Specifications subject to change without notice. 04.00 Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com T1-31 HIGH FREQUENCY MAGNETICS TM00112 T1/E1 Single Through Hole Transformers MECHANICAL 2664AJ 2664AK 2664AL 0.31 [7.87] max 0.110 [2.79] 0.100 [2.54] centers 0.500 [12.7] max 0.023 [0.58] Sq, typ, Phosphor bronze solder-coated Terminal 1 ID 1 2 3 4 0.400 [10.16] max 0.250 [6.35] 8 7 6 5 Note: Unless otherwise specified, dimensions are nominal and in inches [millimeters]. (c)2000 Bel Fuse Inc. Specifications subject to change without notice. 04.00 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 T1-32 |
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