Toroidal Inductors
Medium Current
CTP4557
CTP4557 is a medium current inductor with the following data and features:
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.
•
Core type:
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
1.80
0.85
Style 2
1.90
0.70
Style 3
1.80
0.85
Thread
#10-32
1.20
1.80
0.80
1.00
0.90
2.00
0.50
ELECTRICAL SPECIFICATION
Ordering Information:
Substitute the style number for the asterisk (*). Example: CTP4557, Style 1, 56uH.
Part No.
Ind.
CTP4557 - (uH)
DCR
Ohms
Rated
Current
Amp. RMS
I (amp.)
@ Lsat.
10%
I (amp.)
@ Lsat.
25%
I (amp.)
@ Lsat.
50%
Part No.
Ind.
CTP4557 - (uH)
DCR
Ohms
Rated
Current
Amp. RMS
Order: CTP4557 - 116
I (amp.)
@ Lsat.
25%
I (amp.)
@ Lsat.
50%
I (amp.)
@ Lsat.
10%
* 01
* 02
* 03
* 04
* 05
* 06
* 07
* 08
* 09
* 10
* 11
* 12
* 13
* 14
* 15
* 16
3.3
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
0.002
0.002
0.002
0.002
0.002
0.002
0.003
0.003
0.003
0.004
0.005
0.005
0.008
0.008
0.011
0.012
53.8
51.7
49.4
47.4
45.2
43.2
41.2
39.4
37.3
31.8
30.2
28.8
24.4
23.4
19.9
19.1
44.2
40.6
37.0
33.9
30.8
28.0
25.4
23.2
20.7
18.9
17.1
15.4
14.0
12.8
11.7
10.7
73.6
67.7
61.7
56.5
51.3
46.7
42.3
38.6
34.5
31.5
28.5
25.7
23.3
21.4
19.5
17.9
122.7
112.8
102.8
94.2
85.5
77.8
70.5
64.3
57.5
52.5
47.5
42.9
38.8
35.7
32.5
29.8
* 17
* 18
* 19
* 20
* 21
* 22
* 23
* 24
* 25
* 26
* 27
* 28
* 29
* 30
* 31
* 32
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1000
1200
0.017
0.019
0.021
0.023
0.032
0.035
0.049
0.054
0.060
0.065
0.072
0.078
0.086
0.094
0.131
0.181
16.2
15.4
14.7
14.0
11.8
11.3
9.6
9.1
8.7
8.3
7.9
7.6
7.2
6.9
5.9
5.0
9.7
8.9
8.0
7.3
6.6
6.0
5.4
4.9
4.4
4.1
3.7
3.4
3.1
2.8
2.5
2.3
16.2
14.8
13.4
12.2
10.9
10.0
9.0
8.1
7.4
6.8
6.2
5.7
5.1
4.7
4.2
3.9
27.0
24.6
22.3
20.3
18.2
16.6
15.0
13.6
12.3
11.3
10.3
9.4
8.5
7.8
7.0
6.4
CTP4557
An ISO 9001 Registered Company
229 Colonnade Road, Nepean, Ontario, Canada K2E 7K3
Tel: (613) 226-1626 Fax: (613) 226-7124 www.filtran.com
33-6
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