• 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
Environmental Data
• Storage temperature range: -40C to 105C
• Operating ambient temperature range: -40C to +75C
(range is application specific)
Family Table
Vertical
Part Number
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
Horizontal
Part Number
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
Header Mounted
Part Number
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
Inductance
µH (rated)
10
20
50
100
150
250
500
750
1000
10
20
50
100
150
250
500
750
10
20
50
100
150
250
10
20
50
100
150
10
20
50
100
10
20
Packaging
• Supplied in bulk packaging
OPTION CODE
Description
RoHS compliant version
I
SAT
(3)
Amperes
2.1
2.2
2.7
2.4
2.3
2.2
1.9
2.4
2.1
4.5
3.2
4.9
4.3
4.0
4.2
3.3
3.4
11.1
9.3
9.4
7.5
7.5
8.1
13.5
14.5
10.2
9.1
10.5
20.9
16.0
12.7
13.0
29.3
29.5
Volt-µSec
(4)
VµS
5.4
7.8
16.3
27.5
35.7
47.8
77.9
114.3
131.9
6.6
9.4
21.3
35.0
47.6
66.0
104.0
147.3
9.4
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
Energy
(5)
µJ
15
36
130
197
283
421
645
1530
1530
68
69
420
643
829
1540
1890
2960
417
643
1530
1890
2960
5860
640
1540
1900
2960
5900
1530
1900
2960
5880
2970
5860
DCR (Ω)
(6)
max
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
Option Code
-R
OCL
(1)
µH +/- 20%
10.14
20.22
50.29
100.40
151.70
250.90
505.00
754.40
1004.00
9.60
19.60
50.00
101.70
148.00
251.10
499.40
749.30
9.68
21.25
49.60
97.20
150.60
254.40
10.04
20.96
52.27
101.40
152.80
10.04
21.17
52.37
99.38
9.90
19.24
I
DC
(2)
Amperes
2.4
1.8
2.6
2.5
2.1
1.9
1.7
1.8
1.5
4.7
3.2
4.9
4.4
4.3
4.2
3.1
3.4
8.7
7.8
7.6
8.2
7.7
9.2
11.4
11.4
10.5
12.0
12.8
16.9
16.0
13.9
17.6
27.3
31.5
CTX10-7-52M
CTX20-7-52M
CTX50-7-52M
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 I
DC
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 I
SAT
. For other current levels see Chart 1.
(6) Maximum D.C. resistance at 20°C.
®
LOW COST POWER INDUCTORS
Toroidal Inductors
Mechanical Diagrams
Vertical and Horizontal Self Leaded Mounting Options
This bulletin is intended to present product design solutions and technical information that will help the end user with design applications. Cooper Electronic
Technologies reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Cooper
Electronic Technologies also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a product has been
selected, it should be tested by the user in all possible applications.
Life Support Policy: Cooper Electronic Technologies does not authorize the use of any of its products for use in life support devices or systems without the
express written approval of an officer of the Company. Life support systems are devices which support or sustain life, and whose failure to perform, when
properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user.
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