Toroidal Inductors
High Current
CTP4551
CTP4551 is a high current inductor with the following data and features:
•
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.
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: CTP4551, Style 1, 56uH.
Part No.
Ind.
CTP4551 - (uH)
DCR
Ohms
Rated
Current
Amp. RMS
I (amp.)
@ Lsat.
10%
I (amp.)
@ Lsat.
25%
I (amp.)
@ Lsat.
50%
Part No.
Ind.
CTP4551 - (uH)
DCR
Ohms
Rated
Current
Amp. RMS
Order: CTP4551 - 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
0.003
0.003
0.003
0.003
0.004
0.004
0.005
0.005
0.007
0.008
0.009
0.012
0.013
47.2
45.3
43.3
41.5
39.6
37.8
36.0
34.5
32.6
31.2
29.7
25.1
23.9
23.0
19.5
18.7
28.6
26.3
24.0
22.0
19.9
18.2
16.4
15.0
13.4
12.3
11.1
10.0
9.1
8.3
7.6
7.0
71.6
65.8
60.0
55.0
49.9
45.4
41.1
37.5
33.6
30.6
27.7
25.0
22.6
20.8
19.0
17.4
171.8
158.0
144.0
131.9
119.7
109.0
98.7
90.1
80.6
73.6
66.5
60.1
54.3
50.0
45.5
41.7
* 17
* 18
* 19
* 20
* 21
* 22
* 23
* 24
* 25
* 26
* 27
* 28
68
82
100
120
150
180
220
270
330
390
470
560
0.018
0.020
0.022
0.030
0.033
0.037
0.040
0.045
0.050
0.068
0.074
0.081
15.9
15.1
14.4
12.3
11.6
11.1
10.5
10.0
9.5
8.2
7.8
7.4
6.3
5.7
5.2
4.7
4.2
3.9
3.5
3.2
2.9
2.6
2.4
2.2
15.8
14.4
13.0
11.9
10.6
9.7
8.8
7.9
7.2
6.6
6.0
5.5
37.8
34.5
31.2
28.5
25.5
23.3
21.0
19.0
17.2
15.8
14.4
13.2
CTP4551
An ISO 9001 Registered Company
229 Colonnade Road, Nepean, Ontario, Canada K2E 7K3
Tel: (613) 226-1626 Fax: (613) 226-7124 www.filtran.com
32-10