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| ADSL MAGNETICS Transformer * * Designed for the Globespan's low-power ADSL chip set UL and CSA approved * * Operating temperature range of 0 C to +85 C Minimum interwinding breakdown voltage of 1500 Vrms TM99AF ELECTRICALS at 25 C DCR max Turns Ratio 3% Part Number TX : Line RX : Line Inductance H min Leakage Inductance* H max Chip Interwinding Capacitance pF max Line TX 2808J 1:4 1 : 2.05 25.0 7.0 1.60 2.40 30 * Measured at RX with line side shorted SCHEMATIC 1 TX 3 2 RX 4 Chip 8 6 Line 7 5 Line (c)1999 Bel Fuse Inc. Specifications subject to change without notice. Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com ADSL MAGNETICS TM99AF Transformer MECHANICAL 2808J 0.600 [15.24] 0.400 [10.16] 0.200 [5.08] 0.200 [ 5.08] ref 0.100 [2.54] 0.070 x 0.070 [1.78 x 1.78] Terminal foot 1.060 [26.92] max 0.102 [2.59] 1.060 [26.92] Terminal 1 Identifier 0.760 [19.30] max Suggested PCB Pad Layout 0.394 [10.00] max Terminal Pad 0.070 x 0.070 nom [1.78 x 1.78] 1 4 8 5 Note: Unless otherwise specified, dimensions are nominal and in inches [millimeters]. Tape and reel packaging: 200 parts/reel (c)1999 Bel Fuse Inc. Specifications subject to change without notice. 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 F23, Preston Lancashire, PR1 8UD, U.K. Tel 44-1772-556601 Fax 44-1772-888366 www.belfuse.com |
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