1797A

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 • • • • • 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 TM00332 ELECTRICAL SPECIFICATIONS AT 25° C Turns Ratio1 ±2% Part Number (1-3) : (4-2) (1-3) (1-3) min 2.854 2.34 4.14 7.35 (1-3) (4-2) (1-3) between (1-3) & (4-2) and 1, 2, & cores 1000 1000 1000 1000 Inductance2 mH DCR Ω Leakage Inductance3 µH max Dielectric Rating Vrms 1797A 1797B 1797C 1797D 1:1 1:1 1:1 1:1 3 - 3.3 2.4 - 2.65 4.3 - 4.73 7.6 - 8.4 2.1 - 2.7 3.0 - 3.6 4.0 - 5.1 4.3 - 5.8 2.1 - 2.7 3.0 - 3.6 4.0 - 5.1 4.3 - 5.8 5 5 6 6 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 TM00332 RM5 Through-Hole Inductors MECHANICAL 1797A 1797B 1797C 1797D LAYOUT OF HOLES VIEWED FROM COMPONENT SIDE OF PWB 0.650 (16.51) MAX 14 1 3 0.540 (13.72) MAX Ø0.043 (1.09) TYP 0.100 (2.54) TYP 2 2 3 0.100 (2.54) TYP 0.430 (10.92) MAX 0.018 (0.46) X 0.012 (0.3) TYP (SK7, SOLDER COATED) 0.016 (0.41) SQ TYP (COPPER-PLATED STEEL, SOLDER COATED) 0.126 (3.20) ©2000 Bel Fuse Inc. Specifications subject to change without notice. 07.00 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 T3-82