toroidal inductors medium current CTP4553 mechanical electrical specification 229 colonnade road, nepean, ontario, canada k2e 7k3 tel: (613) 226-1626 fax: (613) 226-7124 www.filtran.com an iso 9001 registered company 33-2 CTP4553 CTP4553 is a medium current inductor with the following data and features: core type: 0.68?o.d., moly-permalloy powder, perm 60. power rating: 0.86 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. style 1 style 2 style 3 style 4 0.85 0.33 0.80 1.00 0.95 0.25 0.60 0.67 0.75 0.85 0.45 thread #6-32 2.00 0.50 0.83 0.95 0.30 0.45 ordering information: substitute the style number for the asterisk (*). example: CTP4553, style 1, 56uh. order: CTP4553 - 116 * 01 3.3 0.006 11.7 13.5 22.6 37.6 * 02 3.9 0.007 11.2 12.5 20.8 34.6 * 03 4.7 0.007 10.7 11.3 18.9 31.5 * 04 5.6 0.008 10.3 10.4 17.3 28.9 * 05 6.8 0.009 9.8 9.4 15.7 26.2 * 06 8.2 0.010 9.4 8.6 14.3 23.9 * 07 10 0.011 9.0 7.8 13.0 21.6 * 08 12 0.012 8.6 7.1 11.8 19.7 * 09 15 0.013 8.1 6.4 10.6 17.6 * 10 18 0.014 7.8 5.8 9.7 16.1 * 11 22 0.016 7.4 5.2 8.7 14.6 * 12 27 0.017 7.0 4.7 7.9 13.1 * 13 33 0.019 6.7 4.3 7.1 11.9 * 14 39 0.021 6.4 3.9 6.6 10.9 * 15 47 0.023 6.1 3.6 6.0 10.0 * 16 56 0.025 5.9 3.3 5.5 9.1 rated i (amp.) i (amp.) i (amp.) part no. ind. dcr current @ lsat. @ lsat. @ lsat. CTP4553 - (uh) ohms amp. rms 10% 25% 50% rated i (amp.) i (amp.) i (amp.) part no. ind. dcr current @ lsat. @ lsat. @ lsat. CTP4553 - (uh) ohms amp. rms 10% 25% 50% * 17 68 0.027 5.6 3.0 5.0 8.3 * 18 82 0.030 5.4 2.7 4.5 7.5 * 19 100 0.033 5.1 2.5 4.1 6.8 * 20 120 0.046 4.3 2.2 3.7 6.2 * 21 150 0.064 3.7 2.0 3.3 5.6 * 22 180 0.071 3.5 1.8 3.1 5.1 * 23 220 0.098 3.0 1.7 2.8 4.6 * 24 270 0.137 2.5 1.5 2.5 4.2 * 25 330 0.151 2.4 1.4 2.3 3.8 * 26 390 0.164 2.3 1.2 2.1 3.5 * 27 470 0.180 2.2 1.1 1.9 3.2 * 28 560 0.248 1.9 1.0 1.7 2.9
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