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CTP4557 Datasheet, PDF (1/1 Pages) Filtran LTD – Toroidal Inductors Medium Current
Toroidal Inductors
Medium Current CTP4557
CTP4557 is a medium current inductor with the following data and features:
• Core type: 1.57” o.d., Moly-Permalloy
Powder, perm 60.
• Power rating: 4.50 watts for temp.
rise 50˚C.
• Typical applications:
Switching Inductors in
Switch Mode Power
Supplies.
Three 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”).
MECHANICAL
Style 1
Style 2
1.80
0.85
1.90
0.70
0.80 1.00
1.20
1.80
0.90
Style 3
1.80
0.85
Thread
#10-32
2.00
0.50
ELECTRICAL SPECIFICATION
Ordering Information: Substitute the style number for the asterisk (*). Example: CTP4557, Style 1, 56uH. Order: CTP4557 - 116
Rated I (amp.)
Part No. Ind. DCR Current @ Lsat.
CTP4557 - (uH) Ohms Amp. RMS 10%
I (amp.)
@ Lsat.
25%
I (amp.)
@ Lsat.
50%
Rated I (amp.)
Part No. Ind. DCR Current @ Lsat.
CTP4557 - (uH) Ohms Amp. RMS 10%
I (amp.)
@ Lsat.
25%
I (amp.)
@ Lsat.
50%
* 01
3.3 0.002 53.8
44.2
73.6
122.7
* 17
68 0.017 16.2
9.7
16.2
27.0
* 02
3.9 0.002 51.7
40.6
67.7
112.8
* 18
82 0.019 15.4
8.9
14.8
24.6
* 03
4.7 0.002 49.4
37.0
61.7
102.8
* 19
100 0.021 14.7
8.0
13.4
22.3
* 04
5.6 0.002 47.4
33.9
56.5
94.2
* 20
120 0.023 14.0
7.3
12.2
20.3
* 05
6.8 0.002 45.2
30.8
51.3
85.5
* 21
150 0.032 11.8
6.6
10.9
18.2
* 06
8.2 0.002 43.2
28.0
46.7
77.8
* 22
180 0.035 11.3
6.0
10.0
16.6
* 07
10 0.003 41.2
25.4
42.3
70.5
* 23
220 0.049 9.6
5.4
9.0
15.0
* 08
12 0.003 39.4
23.2
38.6
64.3
* 24
270 0.054 9.1
4.9
8.1
13.6
* 09
15 0.003 37.3
20.7
34.5
57.5
* 25
330 0.060 8.7
4.4
7.4
12.3
* 10
18 0.004 31.8
18.9
31.5
52.5
* 26
390 0.065 8.3
4.1
6.8
11.3
* 11
22 0.005 30.2
17.1
28.5
47.5
* 27
470 0.072 7.9
3.7
6.2
10.3
* 12
27 0.005 28.8
15.4
25.7
42.9
* 28
560 0.078 7.6
3.4
5.7
9.4
* 13
33 0.008 24.4
14.0
23.3
38.8
* 29
680 0.086 7.2
3.1
5.1
8.5
* 14
39 0.008 23.4
12.8
21.4
35.7
* 30
820 0.094 6.9
2.8
4.7
7.8
* 15
47 0.011 19.9
11.7
19.5
32.5
* 31 1000 0.131 5.9
2.5
4.2
7.0
* 16
56 0.012 19.1
10.7
17.9
29.8
* 32 1200 0.181 5.0
2.3
3.9
6.4
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229 Colonnade Road, Nepean, Ontario, Canada K2E 7K3
Tel: (613) 226-1626 Fax: (613) 226-7124 www.filtran.com
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