ISDN MAGNETICS U Interface Surface Mount Transformers • Designed to interface with Motorola MC145572 transceiver IC • TM00205 Minimum interwinding breakdown voltage of 1500 Vrms ELECTRICAL SPECIFICATIONS at 25° C Part Number S559-6204-06 Turns Ratio ± 3% 1.25 : 1 CT Primary Inductance* mH min DCR Ω max Leakage Inductance µH max 26.5 Interwinding Capacitance pF max Pri Sec 4 12 28 185 * Measured at 10 kHz, 0.1 Vac SCHEMATIC S559-6204-06 1 9 2 8 CT 4 7 5 Primary Secondary ©2000 Bel Fuse Inc. Specifications subject to change without notice. 05.00 Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com T2-11 ISDN MAGNETICS U Interface Surface Mount Transformers TM00205 MECHANICAL S559-6204-06 1.025–1.070 [26.00–27.20] 0.800 ±0.008 [20.32 ±0.20] .008 [0.20] 0.500 [12.70] max Transparent Mylar cover Pin 1 reference notch 0.920 [23.40] max 0.600 [15.20] 1 10 2 9 3 8 4 0.150 ±0.010 [3.81 ±0.25] typ 7 5 0.900 [22.90] ref 1.070 [27.20] max Dimensions are in inches [millimeters]. Standard dimension tolerance is ±0.005 [0.13] unless otherwise noted. ©2000 Bel Fuse Inc. Specifications subject to change without notice. 05.00 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 T2-12