Toroidal Inductors High Current CTP4550
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
32-9
CTP4550
CTP4550 is a high current inductor with the following data and features:
•Core type: 1.30” o.d., Iron Powder,
perm 33.
•Power rating: 3.13 watts for temp.
rise 50˚C.
•Typical applications:
Filter Inductors in Switch
Mode Power Supplies.
Three mounting styles are offered:
1Flying leads (1.00”), for vertical
or horizontal mounting.
24-pin header, for vertical mounting.
3Threaded center hole, flying leads
(2.00”).
Style 1 Style 2 Style 3
1.60 0.75
0.801.00
1.60 0.60
0.90
0.80
1.60
1.80 0.80
Thread
#10-32
2.00
0.50
Ordering Information: Substitute the style number for the asterisk (*). Example: CTP4550, Style 1, 56uH. Order: CTP4550 - 116
* 01 3.3 0.002 41.4 20.9 52.2 125.2
* 02 3.9 0.002 39.8 19.2 48.0 115.1
* 03 4.7 0.002 38.0 17.5 43.7 104.9
* 04 5.6 0.002 36.4 16.0 40.0 96.1
* 05 6.8 0.005 34.8 14.5 36.3 87.2
* 06 8.2 0.005 33.2 13.2 33.1 79.4
* 07 10 0.007 31.6 12.0 30.0 71.9
* 08 12 0.008 30.3 10.9 27.3 65.6
* 09 15 0.009 25.5 9.8 24.5 58.7
* 10 18 0.010 24.4 8.9 22.3 53.6
* 11 22 0.013 20.7 8.1 20.2 48.5
* 12 27 0.015 19.7 7.3 18.2 43.8
* 13 33 0.016 18.7 6.6 16.5 39.6
* 14 39 0.018 18.0 6.1 15.2 36.4
* 15 47 0.020 15.3 5.5 13.8 33.2
* 16 56 0.021 14.6 5.1 12.7 30.4
Rated I (amp.) I (amp.) I (amp.)
Part No. Ind. DCR Current @ Lsat. @ Lsat. @ Lsat.
CTP4550 - (uH) Ohms Amp. RMS 10% 25% 50%
Rated I (amp.) I (amp.) I (amp.)
Part No. Ind. DCR Current @ Lsat. @ Lsat. @ Lsat.
CTP4550 - (uH) Ohms Amp. RMS 10% 25% 50%
* 17 68 0.016 13.9 4.6 11.5 27.6
* 18 82 0.018 13.3 4.2 10.5 25.1
* 19 100 0.020 12.7 3.8 9.5 22.7
* 20 120 0.021 12.1 3.5 8.6 20.8
* 21 150 0.030 10.2 3.1 7.7 18.6
* 22 180 0.033 9.7 2.8 7.1 16.9
* 23 220 0.036 9.3 2.6 6.4 15.3
* 24 270 0.051 7.8 2.3 5.8 13.8
* 25 330 0.071 6.6 2.1 5.2 12.5
* 26 390 0.122 5.1 1.9 4.8 11.5
* 27 470 0.134 4.8 1.7 4.4 10.5
* 28 560 0.146 4.6 1.6 4.0 9.6
