Toroidal Inductors High Current CTP4548 CTP4548 is a high current inductor with the following data and features: • Core type: 0.80” o.d., Iron Powder, perm 33. • Power rating: 1.2 watts for temp. rise 50˚C. • Typical applications: Filter 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 1.00 Style 2 Style 3 1.10 0.40 1.00 0.25 Style 4 0.46 Thread #6-32 0.85 0.75 0.60 0.45 1.05 0.80 0.67 1.00 0.60 2.00 0.50 ELECTRICAL SPECIFICATION Ordering Information: Substitute the style number for the asterisk (*). Example: CTP4548, Style 1, 56uH. Inductance (uH) DCR Ohms Rated Current Amp. RMS I (amp.) @ Lsat. 10% I (amp.) @ Lsat. 25% * 01 * 02 * 03 * 04 3.3 3.9 4.7 5.6 0.004 0.004 0.004 0.005 18.1 17.4 16.6 15.9 9.5 8.7 7.9 7.3 23.7 21.8 19.8 18.2 56.9 52.3 47.6 43.6 * 05 * 06 * 07 * 08 6.8 8.2 10 12 0.005 0.006 0.006 0.007 15.2 14.5 13.8 13.2 6.6 6.0 5.4 5.0 16.5 15.0 13.6 12.4 39.6 36.1 32.7 29.8 * 09 * 10 * 11 * 12 15 18 22 27 0.010 0.010 0.012 0.016 11.2 10.7 10.2 8.6 4.4 4.1 3.7 3.3 11.1 10.1 9.2 8.3 26.7 24.3 22.0 19.9 * 13 * 14 * 15 * 16 33 39 47 56 0.018 0.024 0.027 0.029 8.2 7.0 6.7 6.4 3.0 2.8 2.5 2.3 7.5 6.9 6.3 5.8 18.0 16.5 15.1 13.8 * 17 * 18 * 19 * 20 68 82 100 120 0.040 0.044 0.062 0.068 5.4 5.2 4.4 4.2 2.1 1.9 1.7 1.6 5.2 4.8 4.3 3.9 12.5 11.4 10.3 9.4 * 21 * 22 * 23 * 24 150 180 220 270 0.096 0.105 0.116 0.161 3.5 3.4 3.2 2.7 1.4 1.3 1.2 1.0 3.5 3.2 2.9 2.6 8.4 7.7 7.0 6.3 Part No. CTP4548 - CTP4548 Order: CTP4548 - 116 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 32-7