DSL Magnetics RM5 Through-Hole Inductors • Designed with two well balanced and coupled windings for use in ADSL applications where filtering is required • Withstand 100A surge of 10/700 µs pulse • Operating temperature range: -40° C to +85° C TM00332 • 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 Ratio1 ±2% Inductance2 mH DCR Ω Leakage Inductance3 µH max Dielectric Rating Vrms Part Number (1-3) : (4-2) (1-3) (1-3) min (1-3) (4-2) (1-3) between (1-3) & (4-2) and 1, 2, & cores 1797A 1:1 3 - 3.3 2.854 2.1 - 2.7 2.1 - 2.7 5 1000 1797B 1:1 2.4 - 2.65 2.34 3.0 - 3.6 3.0 - 3.6 5 1000 1797C 1:1 4.3 - 4.73 4.14 4.0 - 5.1 4.0 - 5.1 6 1000 1797D 1:1 7.6 - 8.4 7.35 4.3 - 5.8 4.3 - 5.8 6 1000 1. measured at 20 kHz, 1 Vrms 2. measured at 10 kHz, 0.1 Vrms 3. measured at 100 kHz, 0.1 Vrms 4. measured at 10 kHz, 0.1 Vrms, 100 mA DC 5. measured at 10 kHz, 0.1 Vrms, 40 mA DC SCHEMATIC 1797A 1797B 1797C 1797D 1 4 3 2 ©2000 Bel Fuse Inc. Specifications subject to change without notice. 07.00 Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com T3-81 DSL Magnetics RM5 Through-Hole Inductors TM00332 MECHANICAL 1797A 1797B 1797C 1797D LAYOUT OF HOLES VIEWED FROM COMPONENT SIDE OF PWB 0.650 (16.51) MAX 1 4 1 3 0.540 (13.72) MAX 2 Ø0.043 (1.09) TYP 2 3 0.100 (2.54) TYP 0.100 (2.54) TYP 0.430 (10.92) MAX 0.018 (0.46) X 0.012 (0.3) TYP (SK7, SOLDER COATED) 0.126 (3.20) 0.016 (0.41) SQ TYP (COPPER-PLATED STEEL, SOLDER COATED) ©2000 Bel Fuse Inc. Specifications subject to change without notice. 07.00 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 T3-82