Toroidal Inductors Medium Current CTP4558 CTP4558 is a medium current inductor with the following data and features: • Core type: 0.50” o.d., Moly-Permalloy Powder, perm 125. • Power rating: 0.50 watts for temp. rise 50˚C. • Typical applications: Switching Inductors in Switch Mode Power Supplies. 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. MECHANICAL Style 1 0.62 Style 2 Style 3 0.78 0.30 0.62 0.25 Style 4 0.35 Thread #4-40 0.65 0.75 0.60 0.30 0.75 0.80 0.67 1.00 0.45 2.00 0.50 ELECTRICAL SPECIFICATION Ordering Information: Substitute the style number for the asterisk (*). Example: CTP4558, Style 1, 56uH. CTP4558 Part No. CTP4558 - Order: CTP4558 - 116 Inductance (uH) DCR Ohms Rated Current Amp. RMS I (amp.) I (amp.) @ Lsat. 10% @ Lsat. 25% * 01 * 02 * 03 * 04 3.3 3.9 4.7 5.6 0.005 0.006 0.006 0.007 9.8 9.4 9.0 8.7 6.5 6.0 5.4 5.0 9.7 8.9 8.1 7.4 16.2 14.9 13.6 12.4 * 05 * 06 * 07 * 08 6.8 8.2 10 12 0.009 0.010 0.011 0.012 7.4 7.1 6.7 6.4 4.5 4.1 3.7 3.4 6.8 6.2 5.6 5.1 11.3 10.3 9.3 8.5 * 09 * 10 * 11 * 12 15 18 22 27 0.013 0.015 0.016 0.018 6.1 5.9 5.6 5.3 3.0 2.8 2.5 2.3 4.6 4.2 3.8 3.4 7.6 6.9 6.3 5.7 * 13 * 14 * 15 * 16 33 39 47 56 0.019 0.021 0.029 0.032 5.1 4.9 4.2 4.0 2.0 1.9 1.7 1.6 3.1 2.8 2.6 2.4 5.1 4.7 4.3 3.9 * 17 * 18 * 19 * 20 68 82 100 120 0.044 0.061 0.085 0.116 3.4 2.9 2.4 2.1 1.4 1.3 1.2 1.1 2.1 1.9 1.8 1.6 3.6 3.2 2.9 2.7 * 21 * 22 * 23 * 24 150 180 220 270 0.129 0.180 0.198 0.219 2.0 1.7 1.6 1.5 1.0 0.9 0.8 0.7 1.4 1.3 1.2 1.1 2.4 2.2 2.0 1.8 An ISO 9001 Registered Company I (amp.) @ Lsat. 50% 229 Colonnade Road, Nepean, Ontario, Canada K2E 7K3 Tel: (613) 226-1626 Fax: (613) 226-7124 www.filtran.com 33-7