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| Document 222-1 ADSL Transformers For Alcatel, Motorola and TI chip sets This product is not RoHS-compliant. Contact Coilcraft for current status or possible alternatives. These transformers have been designed to provide optimum performance with the ADSL chip sets from a variety of leading manufacturers. They feature a compact size, minimum DC resistance and very low leakage inductance. Primary inductance is stable from -40C to +85C and the longitudinal balance is optimized for the best overall performance at the ADSL transmission speed. Most parts have been designed to meet UL 1950 requirements. For free evaluation samples or to discuss custom designs, please contact Coilcraft. Part number AS8426-A AS8446-A AS8696-B AS8697-B AS8425-A AS8397-B AS8578-A AS8579-A Style Chip set Line side inductance (mH) Leakage inductance max (H) 6.5 6.5 5.0 5.0 18 18 18 18 DCR max (Ohms) Chip side Line side 0.200 (1-3, 2-4) 0.200 (1-3, 2-4) 0.425 (1-3, 2-4) 0.415 (1-3, 2-4) 2.53 (1-4, 2-5) 2.53 (1-4, 2-5) 3.75 (10-7) 3.75 (10-7) Leaded Alcatel DynaMiTe MTK-20140 0.410 10% SMT Alcatel DynaMiTe MTK-20140 0.410 10% Leaded Alcatel DynaMiTe MTK-20140 0.442 5% SMT Alcatel DynaMiTe MTK-20140 0.442 5% Leaded Motorola MC145660/MS143462SK 3.96 5% SMT Motorola MC145660/MS143462SK 3.96 5% Leaded TI TNETD4000R/3000R 1.5 5% SMT TI TNETD4000R/3000R 1.5 5% Dielectric strength (V) 3000 2300 3000 2300 1875 1875 1875 1875 0.130 (10-8), 0.095 (9-7) 0.130 (10-8), 0.095 (9-7) 0.375 (10-8), 0.310 (9-7) 0.375 (10-8), 0.310 (9-7) 2.42 (10-6), 1.87 (9-7) 2.42 (10-6), 1.87 (9-7) 0.800 (1-4) 0.800 (1-4) THD @ 20 kHz typ (dB) -77 -77 -84 -84 -92 -92 -85 -85 Part number AS8426-A AS8446-A AS8696-B AS8697-B AS8425-A AS8397-B AS8578-A AS8579-A Turns ratio line:chip 2:1 2:1 1:1 1:1 1.2:1 1.2:1 1.42:1 1.42:1 Capacitance max (pF) N/A N/A N/A N/A N/A N/A 35.0 35.0 Longitudinal balance min (dB) 45 (30 kHz - 1.1 MHz) 45 (30 kHz - 1.1 MHz) 45 (30 kHz - 1.1 MHz) 45 (30 kHz - 1.1 MHz) 40 (20 kHz - 1.1 MHz) 40 (20 kHz - 1.1 MHz) 40 (20 kHz - 1.1 MHz) 40 (20 kHz - 1.1 MHz) Designed to meet UL UL UL UL UL UL UL UL 1950 1950 1950 1950 1950 1950 1950 1950 1. All electrical specifications referenced to line side. 2. Operating temperature range -40C to +85C. 3. Electrical specifications at 25C. Specifications subject to change without notice. Please check our website for latest information. Document 222-1 Revised 1/11/01 (c) Coilcraft, Inc. 2007 Document 222-2 ADSL Transformers for Alcatel, Motorola, TI Leaded Transformers B 10 1 Surface Mount Transformers Dot above pin1 C A 6 5 C D B E 6 5 E 6 5 F F G 10 1 F H A G 10 1 Recommended Board Layout A max B max C max 0.550 13,97 0.550 13,97 0.500 12,70 D min E 0.100 2,54 0.400 10,16 F typ 0.100 2,54 G dia 0.013 0,33 H dia 0.032 0,82 A max 0.530 13,46 B max 0.699 17,75 C max 0.500 12,70 E 0.590 14,99 Recommended Land Pattern F typ 0.098 2,50 G typ 0.050 x 0.061 1,27 x 1,55 Schematics AS8426-A, AS8446-A AS8696-B, AS8697-B Line side 4 Chip side 7 1 AS8425-A, AS8397-B Line side Chip side 10 AS8578-A, AS8579-A Line side 10 Chip side 1 2 3 9 8 4 2 6 9 7 4 1 10 5 7 Specifications subject to change without notice. Please check our website for latest information. Document 222-2 Revised 11/10/04 (c) Coilcraft, Inc. 2007 |
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