Toroidal Inductors
Medium Current
CTP4552
CTP4552 is a medium current inductor with the following data and features: • Core type: 0.50” o.d., Moly-Permalloy Powder, perm 60. • 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 0.30
Style 2
0.78 0.25
Style 3
0.62 0.35 Thread #4-40 0.60 0.75
Style 4
0.65
0.75 0.80 1.00 0.67 2.00 0.50
0.30 0.45
ELECTRICAL SPECIFICATION
Ordering Information: Substitute the style number for the asterisk (*). Example: CTP4552, Style 1, 56uH. Part No. CTP4552 * 01 * 02 * 03 * 04 * 05 * 06 * 07 * 08 * 09 * 10 * 11 * 12 * 13 * 14 * 15 * 16
CTP4552
Order: CTP4552 - 116 I (amp.) @ Lsat. 50% 22.5 20.7 18.8 17.2 15.6 14.2 12.9 11.8 10.5 9.6 8.7 7.9 7.1 6.5 6.0 5.5 4.9 4.5 4.1 3.7 3.3 3.0 2.8 2.5
Inductance (uH) 3.3 3.9 4.7 5.6 6.8 8.2 10 12 15 18 22 27 33 39 47 56 68 82 100 120 150 180 220 270
DCR Ohms 0.006 0.006 0.007 0.007 0.008 0.009 0.010 0.011 0.012 0.013 0.014 0.016 0.017 0.019 0.026 0.036 0.050 0.069 0.076 0.083 0.093 0.101 0.141 0.198
Rated Current Amp. RMS 9.3 8.9 8.6 8.2 7.9 7.5 7.2 6.9 6.5 6.2 5.9 5.6 5.4 5.2 4.4 3.7 3.2 2.7 2.6 2.5 2.3 2.2 1.9 1.6
I (amp.) @ Lsat. 10% 8.1 7.4 6.8 6.2 5.6 5.1 4.6 4.2 3.8 3.5 3.1 2.8 2.6 2.4 2.1 2.0 1.8 1.6 1.5 1.3 1.2 1.1 1.0 0.9
I (amp.) @ Lsat. 25% 13.5 12.4 11.3 10.3 9.4 8.5 7.7 7.1 6.3 5.8 5.2 4.7 4.3 3.9 3.6 3.3 3.0 2.7 2.4 2.2 2.0 1.8 1.7 1.5
* 17 * 18 * 19 * 20 * 21 * 22 * 23 * 24
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33-1
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