Toroidal Inductors High Current CTP4549 CTP4549 is a high current inductor with the following data and features: Four mounting styles are offered: 1 Flying leads (1.00”), for vertical or horizontal mounting. 2 4-pin header, for vertical mounting. 3 Threaded center hole, flying leads (2.00”). 4 2-pin header, for vertical mounting. • Core type: 1.06” o.d., Iron Powder, perm 33. • Power rating: 2.16 watts for temp. rise 50˚C. • Typical applications: Filter Inductors in Switch Mode Power Supplies. MECHANICAL Style 1 Style 2 1.25 Style 3 1.30 0.65 Style 4 1.25 0.60 0.72 Thread #10-32 1.25 1.30 0.90 0.50 1.30 0.80 0.80 1.00 0.75 2.00 0.50 ELECTRICAL SPECIFICATION CTP4549 Ordering Information: Substitute the style number for the asterisk (*). Example: CTP4549, Style 1, 56uH. Rated Current Amp. RMS I (amp.) @ Lsat. 10% I (amp.) @ Lsat. 50% Part No. Ind. CTP4549 - (uH) DCR Ohms 44.7 41.1 37.4 34.3 107.2 98.6 89.8 82.3 * 17 * 18 * 19 * 20 68 82 100 120 12.4 11.3 10.3 9.4 31.1 28.3 25.7 23.4 74.7 68.0 61.6 56.2 * 21 * 22 * 23 * 24 19.9 19.1 18.1 17.3 8.4 7.6 6.9 6.3 20.9 19.1 17.3 15.6 50.3 45.9 41.5 37.5 * 25 * 26 * 27 * 28 14.6 14.0 13.4 12.8 5.6 5.2 4.7 4.3 14.1 13.0 11.8 10.8 33.9 31.2 28.4 26.0 Part No. Ind. CTP4549 - (uH) DCR Ohms * 01 * 02 * 03 * 04 3.3 3.9 4.7 5.6 0.003 0.003 0.003 0.003 28.8 27.7 26.4 25.3 17.9 16.4 15.0 13.7 * 05 * 06 * 07 * 08 6.8 8.2 10 12 0.004 0.004 0.004 0.005 24.2 23.1 22.0 21.1 * 09 * 10 * 11 * 12 15 18 22 27 0.005 0.006 0.007 0.007 * 13 * 14 * 15 * 16 33 39 47 56 0.010 0.011 0.012 0.013 I (amp.) @ Lsat. 25% An ISO 9001 Registered Company Order: CTP4549 - 116 Rated Current Amp. RMS I (amp.) @ Lsat. 10% I (amp.) @ Lsat. 25% I (amp.) @ Lsat. 50% 0.014 0.020 0.022 0.024 12.2 10.4 9.9 9.5 3.9 3.6 3.2 3.0 9.8 9.0 8.1 7.4 23.6 21.5 19.5 17.8 150 180 220 270 0.034 0.047 0.052 0.057 8.0 6.8 6.5 6.1 2.6 2.4 2.2 2.0 6.6 6.0 5.5 4.9 15.9 14.5 13.1 11.8 330 390 470 560 0.080 0.109 0.120 0.165 5.2 4.4 4.2 3.6 1.8 1.6 1.5 1.4 4.5 4.1 3.7 3.4 10.7 9.9 9.0 8.2 229 Colonnade Road, Nepean, Ontario, Canada K2E 7K3 Tel: (613) 226-1626 Fax: (613) 226-7124 www.filtran.com 32-8