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| HIGH FREQUENCY MAGNETICS Specialty Through Hole Shielded Transformer TM00104 * Operates as high frequency pulse transformer or as high frequency analog transformer in various telecom circuits requiring high voltage-step-up ratio Interwinding Electrostatic Shield provides low capacitance and high EMI suppression Minimum Interwinding Breakdown Voltage of 500 Vrms * * * 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 * * * ELECTRICAL SPECIFICATIONS AT 25 C Turns Ratio 2% Part Number (4-8) : (5-7) (4-8) : (3-1) (3-1) (4-8) (3-1) Secondary Inductance1 H Min DCR max Secondary Leakage Inductance1 H max Interwinding & Intershield Capacitance Inductance Unbalance % max (3-1) pF max2 pF max3 pF max4 (3-2)(2-1) 2741N2 1 : 3.0 1 : 3.17 660 0.78 2.4 3.0 4 15 20 0.2 1. measured at 100 kHz, 0.03 Vac 2. between (3-1) and (4-8) with 6 grounded 3. between (3-1) and 6 with (4-8) grounded 4. between (4-8) and 6 with (3-1) grounded SCHEMATIC 2741N2 4 S 3 5 2 7 8 6 1 : 3.0 1 : 3.17 1 (c)2000 Bel Fuse Inc. Specifications subject to change without notice. 09.00 Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com T1-9 HIGH FREQUENCY MAGNETICS TM00104 Specialty Through Hole Shielded Transformer MECHANICAL 2741N2 0.56 (14.22) MAX 0.46 (11.68) MAX TERMINAL 1 IDENTIFIER 0.35 (8.89) MAX 0.110 (2.79) 0.010 (0.25) 0.100 (2.54) 0.023 (0.584) SQ TYP (PHOSPHOR BRONZE, SOLDER COATED) 1234 0.250 (6.35) 876 5 Unless otherwise specified, dimensions are nominal and in inches (millimeters). (c)2000 Bel Fuse Inc. Specifications subject to change without notice. 09.00 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 T1-10 |
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