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 TM00147 * 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% Inductance2 H Min DCR max Leakage Inductance1 H max Part Number (1-6):(2-5):(3-4) (6-1) (1-6) (2-5) (3-4) 1:1:1 65 0.2 2745AM2 (3-5) 0.3 For 75:75 Configuration Interwinding Capacitance pF min 15 Typical Bandwidth (3 dB) Typical Pulse Rise Time (10%-90%) 40 kHz to 260 MHz 1.4 ns Minimum Interwinding Breakdown Voltage Vrms 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 T3/E3/STS-1 Through Hole Transformer TM00147 MECHANICAL 2745AM2 0.56 (14.22) MAX 0.46 (11.68) MAX TERMINAL 1 IDENTIFIER 0.35 (8.89) MAX 0.023 (0.584) SQ TYP (PHOSPHOR BRONZE, SOLDER COATED) 0.150 (3.81) 0.110 (2.79) 0.010 (0.25) 1 2 3 6 5 4 0.250 (6.35) Unless otherwise specified, dimensions are nominal and in inches (millimeters). (c)2000 Bel Fuse Inc. Specifications subject to change without notice. 09.00 CORPORATE FAR EAST EUROPE Bel Fuse Inc. 198 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com 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 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