CTP4557-02

Toroidal Inductors Medium Current CTP4557 CTP4557 is a medium current inductor with the following data and features: • Core type: 1.57” o.d., Moly-Permalloy Powder, perm 60. • Power rating: 4.50 watts for temp. rise 50˚C. • Typical applications: Switching Inductors in Switch Mode Power Supplies. Three 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”). MECHANICAL Style 1 1.80 0.85 Style 2 1.90 0.70 Style 3 1.80 0.85 Thread #10-32 1.20 1.80 0.80 1.00 0.90 2.00 0.50 ELECTRICAL SPECIFICATION Ordering Information: Substitute the style number for the asterisk (*). Example: CTP4557, Style 1, 56uH. Part No. Ind. CTP4557 - (uH) DCR Ohms Rated Current Amp. RMS I (amp.) @ Lsat. 10% I (amp.) @ Lsat. 25% I (amp.) @ Lsat. 50% Part No. Ind. CTP4557 - (uH) DCR Ohms Rated Current Amp. RMS Order: CTP4557 - 116 I (amp.) @ Lsat. 25% I (amp.) @ Lsat. 50% I (amp.) @ Lsat. 10% * 01 * 02 * 03 * 04 * 05 * 06 * 07 * 08 * 09 * 10 * 11 * 12 * 13 * 14 * 15 * 16 3.3 3.9 4.7 5.6 6.8 8.2 10 12 15 18 22 27 33 39 47 56 0.002 0.002 0.002 0.002 0.002 0.002 0.003 0.003 0.003 0.004 0.005 0.005 0.008 0.008 0.011 0.012 53.8 51.7 49.4 47.4 45.2 43.2 41.2 39.4 37.3 31.8 30.2 28.8 24.4 23.4 19.9 19.1 44.2 40.6 37.0 33.9 30.8 28.0 25.4 23.2 20.7 18.9 17.1 15.4 14.0 12.8 11.7 10.7 73.6 67.7 61.7 56.5 51.3 46.7 42.3 38.6 34.5 31.5 28.5 25.7 23.3 21.4 19.5 17.9 122.7 112.8 102.8 94.2 85.5 77.8 70.5 64.3 57.5 52.5 47.5 42.9 38.8 35.7 32.5 29.8 * 17 * 18 * 19 * 20 * 21 * 22 * 23 * 24 * 25 * 26 * 27 * 28 * 29 * 30 * 31 * 32 68 82 100 120 150 180 220 270 330 390 470 560 680 820 1000 1200 0.017 0.019 0.021 0.023 0.032 0.035 0.049 0.054 0.060 0.065 0.072 0.078 0.086 0.094 0.131 0.181 16.2 15.4 14.7 14.0 11.8 11.3 9.6 9.1 8.7 8.3 7.9 7.6 7.2 6.9 5.9 5.0 9.7 8.9 8.0 7.3 6.6 6.0 5.4 4.9 4.4 4.1 3.7 3.4 3.1 2.8 2.5 2.3 16.2 14.8 13.4 12.2 10.9 10.0 9.0 8.1 7.4 6.8 6.2 5.7 5.1 4.7 4.2 3.9 27.0 24.6 22.3 20.3 18.2 16.6 15.0 13.6 12.3 11.3 10.3 9.4 8.5 7.8 7.0 6.4 CTP4557 An ISO 9001 Registered Company 229 Colonnade Road, Nepean, Ontario, Canada K2E 7K3 Tel: (613) 226-1626 Fax: (613) 226-7124 www.filtran.com 33-6