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| HIGH FREQUENCY MAGNETICS T3/E3/STS-1 Through Hole Transformer * Operates at pulse repitition rates of 30 Mb/s to 60 Mb/s (includes both the DS3 and the STS-1 rate) Has three separate windings which can be configured for both 1:1 and 1:4 impedance ratios * * * * 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 TM00147 * ELECTRICAL SPECIFICATIONS AT 25 C DCR max Leakage Inductance1 H max Turns Ratio 2% Part Number (1-6):(2-5):(3-4) Inductance2 H Min For 75:75 Configuration Interwinding Capacitance pF min (6-1) (1-6) (2-5) (3-4) (3-5) Typical Bandwidth (3 dB) 40 kHz to 260 MHz Typical Pulse Rise Time (10%-90%) 1.4 ns Minimum Interwinding Breakdown Voltage Vrms 2745AM2 1:1:1 65 0.2 0.3 15 1500 1. measured at 100 kHz, 0.01 Vac, connect 2 to 4 2. measured at 10 kHz, 0.1 Vac SCHEMATIC 2745AM2 5 6 5 4 6 2 4 1 2 3 1 3 (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 T1-111 HIGH FREQUENCY MAGNETICS TM00147 T3/E3/STS-1 Through Hole Transformer MECHANICAL 2745AM2 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) 0.023 (0.584) SQ TYP (PHOSPHOR BRONZE, SOLDER COATED) 0.150 (3.81) 1 2 3 0.250 (6.35) 6 5 4 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 T1-112 |
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