Filtran CTP4551-18 Toroidal inductors high current Datasheet

Toroidal Inductors
High Current
CTP4551
CTP4551 is a high current inductor with the following data and features:
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”).
• Core type:
1.57” o.d., Iron Powder,
perm 33.
• Power rating: 4.50 watts for temp.
rise 50˚C.
• Typical applications:
Filter Inductors in Switch
Mode Power Supplies.
MECHANICAL
Style 1
Style 2
1.80
Style 3
1.90
0.85
1.80
0.70
0.85
Thread
#10-32
1.80
1.20
0.80
0.90
1.00
2.00
0.50
ELECTRICAL SPECIFICATION
CTP4551
Ordering Information: Substitute the style number for the asterisk (*). Example: CTP4551, Style 1, 56uH.
Rated
Current
Amp. RMS
I (amp.)
@ Lsat.
10%
I (amp.)
@ Lsat.
50%
Part No.
Ind.
CTP4551 - (uH)
DCR
Ohms
71.6
65.8
60.0
55.0
171.8
158.0
144.0
131.9
* 17
* 18
* 19
* 20
68
82
100
120
19.9
18.2
16.4
15.0
49.9
45.4
41.1
37.5
119.7
109.0
98.7
90.1
* 21
* 22
* 23
* 24
32.6
31.2
29.7
25.1
13.4
12.3
11.1
10.0
33.6
30.6
27.7
25.0
80.6
73.6
66.5
60.1
* 25
* 26
* 27
* 28
23.9
23.0
19.5
18.7
9.1
8.3
7.6
7.0
22.6
20.8
19.0
17.4
54.3
50.0
45.5
41.7
Part No.
Ind.
CTP4551 - (uH)
DCR
Ohms
* 01
* 02
* 03
* 04
3.3
3.9
4.7
5.6
0.002
0.002
0.002
0.003
47.2
45.3
43.3
41.5
28.6
26.3
24.0
22.0
* 05
* 06
* 07
* 08
6.8
8.2
10
12
0.003
0.003
0.003
0.004
39.6
37.8
36.0
34.5
* 09
* 10
* 11
* 12
15
18
22
27
0.004
0.005
0.005
0.007
* 13
* 14
* 15
* 16
33
39
47
56
0.008
0.009
0.012
0.013
I (amp.)
@ Lsat.
25%
An ISO 9001 Registered Company
Order: CTP4551 - 116
Rated
Current
Amp. RMS
I (amp.)
@ Lsat.
10%
I (amp.)
@ Lsat.
25%
I (amp.)
@ Lsat.
50%
0.018
0.020
0.022
0.030
15.9
15.1
14.4
12.3
6.3
5.7
5.2
4.7
15.8
14.4
13.0
11.9
37.8
34.5
31.2
28.5
150
180
220
270
0.033
0.037
0.040
0.045
11.6
11.1
10.5
10.0
4.2
3.9
3.5
3.2
10.6
9.7
8.8
7.9
25.5
23.3
21.0
19.0
330
390
470
560
0.050
0.068
0.074
0.081
9.5
8.2
7.8
7.4
2.9
2.6
2.4
2.2
7.2
6.6
6.0
5.5
17.2
15.8
14.4
13.2
229 Colonnade Road, Nepean, Ontario, Canada K2E 7K3
Tel: (613) 226-1626 Fax: (613) 226-7124 www.filtran.com
32-10