®
LOW COST POWER INDUCTORS
Toroidal Inductors
Description
• Low loss, powdered iron cores with stable electrical
operating characteristics maximize inductor efficiency by
minimizing copper losses
• Available in vertical and horizontal self leaded and
header mounted configurations
• Inductance values range from 10uH to 1000uH
• Current values range from 1.5 to 29.5 Amps
• Meets UL 94V-0 flammability standard
• RoHS compliant (-R option)
Applications
• Filters
• Buck and boost switches
• Chokes
Packaging
• Supplied in bulk packaging
Environmental Data
• Storage temperature range: -40C to 105C
• Operating ambient temperature range: -40C to +75C
(range is application specific)
OPTION CODE
Description
RoHS compliant version
Option Code
-R
Family Table
Vertical
Horizontal
Header Mounted
Part Number
Inductance
µH (rated)
10
OCL(1)
µH +/- 20%
10.14
I
DC(2)
I
SAT(3)
Volt-µSec(4)
VµS
Energy(5)
µJ
DCR (Ω)(6)
max
Part Number
Part Number
Amperes
2.4
Amperes
2.1
CTX10-1-52
CTX20-1-52
CTX50-1-52
CTX100-1-52
CTX150-1-52
CTX250-1-52
CTX500-1-52
CTX750-1-52
CTX1000-1-52
CTX10-2-52
CTX20-2-52
CTX50-2-52
CTX100-2-52
CTX150-2-52
CTX250-2-52
CTX500-2-52
CTX750-2-52
CTX10-5-52
CTX20-5-52
CTX50-5-52
CTX100-5-52
CTX150-5-52
CTX250-5-52
CTX10-7-52
CTX20-7-52
CTX50-7-52
CTX100-7-52
CTX150-7-52
CTX10-10-52
CTX20-10-52
CTX50-10-52
CTX100-10-52
CTX10-16-52
CTX20-16-52
CTX10-1-52LP
CTX20-1-52LP
CTX50-1-52LP
CTX100-1-52LP
CTX150-1-52LP
CTX250-1-52LP
CTX500-1-52LP
CTX750-1-52LP
CTX1000-1-52LP
CTX10-2-52LP
CTX20-2-52LP
CTX50-2-52LP
CTX100-2-52LP
CTX150-2-52LP
CTX250-2-52LP
CTX500-2-52LP
CTX750-2-52LP
CTX10-5-52LP
CTX20-5-52LP
CTX50-5-52LP
CTX100-5-52LP
CTX150-5-52LP
CTX250-5-52LP
CTX10-7-52LP
CTX20-7-52LP
CTX50-7-52LP
CTX100-7-52LP
CTX150-7-52LP
CTX10-10-52LP
CTX20-10-52LP
CTX50-10-52LP
CTX100-10-52LP
CTX10-16-52LP
CTX20-16-52LP
CTX10-1-52M
CTX20-1-52M
CTX50-1-52M
CTX100-1-52M
CTX150-1-52M
CTX250-1-52M
CTX500-1-52M
CTX750-1-52M
CTX1000-1-52M
CTX10-2-52M
CTX20-2-52M
CTX50-2-52M
CTX100-2-52M
CTX150-2-52M
CTX250-2-52M
CTX500-2-52M
CTX750-2-52M
CTX10-5-52M
CTX20-5-52M
CTX50-5-52M
CTX100-5-52M
CTX150-5-52M
5.4
15
0.0481
0.0829
0.0715
0.1060
0.1620
0.2210
0.3610
0.4340
0.6380
0.0183
0.0392
0.0326
0.0534
0.0719
0.0833
0.1830
0.2080
0.0104
0.0260
0.0248
0.0267
0.0401
0.0400
0.0080
0.0110
0.0163
0.0167
0.0204
0.0051
0.0070
0.0124
0.0109
0.0032
0.0034
20
20.22
1.8
2.2
7.8
36
50
50.29
2.6
2.7
16.3
27.5
35.7
47.8
77.9
114.3
131.9
6.6
130
100
150
250
500
750
1000
10
100.40
151.70
250.90
505.00
754.40
1004.00
9.60
2.5
2.4
197
2.1
2.3
283
1.9
2.2
421
1.7
1.9
645
1.8
2.4
1530
1530
68
1.5
2.1
4.7
4.5
20
50
19.60
50.00
3.2
3.2
9.4
69
4.9
4.9
21.3
35.0
47.6
66.0
104.0
147.3
9.4
420
100
150
250
500
750
10
20
50
100
150
250
10
20
50
100
150
10
20
50
100
10
20
101.70
148.00
251.10
499.40
749.30
9.68
4.4
4.3
643
4.3
4.0
829
4.2
4.2
1540
1890
2960
417
3.1
3.3
3.4
3.4
8.7
11.1
9.3
21.25
7.8
16.0
29.3
45.7
66.0
102.4
11.0
19.1
33.5
54.2
79.3
13.2
21.3
38.9
64.0
16.9
28.1
643
49.60
7.6
9.4
1530
1890
2960
5860
640
97.20
8.2
7.5
150.60
254.40
10.04
7.7
7.5
9.2
8.1
CTX10-7-52M
CTX20-7-52M
CTX50-7-52M
11.4
11.4
10.5
12.0
12.8
16.9
16.0
13.9
17.6
27.3
31.5
13.5
14.5
10.2
9.1
10.5
20.9
16.0
12.7
13.0
29.3
29.5
20.96
52.27
1540
1900
2960
5900
1530
1900
2960
5880
2970
5860
101.40
152.80
10.04
21.17
52.37
99.38
9.90
19.24
Notes: (1) Open circuit inductance test parameters: 100kHz, 0.250Vrms, 0 Adc.
(2) DC current for an approximate ∆T of 30°C at 75°C Ambient with no core loss. See Chart 2 for derating of IDC with core loss.
(3) Peak current for an approximate 30% roll-off in OCL. For other current levels see Chart 1.
(4) Applied Volt-Time product (VµS) across the inductor. This value represents the VµS at 100kHz necessary to generate a core loss equal to 10% of the total losses for 30°C
rise. For other frequencies and operating levels see Chart 2. (Note: skin effect losses not included.)
(5) Energy storage (µJ) at ISAT. For other current levels see Chart 1.
(6) Maximum D.C. resistance at 20°C.
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