Power Line Chokes - Radial
ctparts.com
CTH8RF Series
From 3.9 µH to 100,000 µH
Part
Number
SPECIFICATIONS
Parts are marked to indicate tolerance available.
K = ±10%
Inductance
(µH)
L Test
Freq.
(kHz)
SRF
Min.
(MHz)
DCR
Max.
Ω
(Ω)
Saturation
DC
(A)
Wire Dia.
Ref.
(mm)
Rated
AC
(A)
CTH8RF-3R9K
CTH8RF-4R7K
CTH8RF-5R6K
CTH8RF-6R8K
CTH8RF-8R2K
Not shown at actual size.
CTH8RF-100K
CTH8RF-120K
CTH8RF-150K
CTH8RF-180K
CTH8RF-220K
CTH8RF-270K
CTH8RF-330K
CTH8RF-390K
CTH8RF-470K
CTH8RF-560K
CTH8RF-680K
CTH8RF-820K
CTH8RF-101K
CTH8RF-121K
CTH8RF-151K
CTH8RF-181K
CTH8RF-221K
CTH8RF-271K
CTH8RF-331K
CTH8RF-391K
CTH8RF-471K
CTH8RF-561K
CTH8RF-681K
CTH8RF-821K
CTH8RF-102K
CTH8RF-122K
CTH8RF-152K
CTH8RF-182K
CTH8RF-222K
CTH8RF-272K
CTH8RF-332K
CTH8RF-392K
CTH8RF-472K
CTH8RF-562K
CTH8RF-682K
CTH8RF-822K
CTH8RF-103K
CTH8RF-123K
CTH8RF-153K
CTH8RF-183K
CTH8RF-223K
CTH8RF-273K
CTH8RF-333K
CTH8RF-393K
CTH8RF-473K
CTH8RF-563K
CTH8RF-683K
CTH8RF-823K
CTH8RF-104K
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1000
1200
1500
1800
2200
2700
3300
3900
4700
5600
6800
8200
10000
12000
15000
18000
22000
27000
33000
39000
47000
56000
68000
82000
100000
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
34
31
29
26
23
20
17
14
11
10
9.0
9.0
8.0
7.0
6.0
5.0
4.0
3.0
3.0
3.0
2.0
2.0
2.0
2.0
2.0
1.0
1.0
1.0
1.0
1.0
1.0
.75
.72
.70
.65
.60
.55
.50
.40
.35
.30
.30
.30
.30
.20
.20
.15
.15
.15
.10
.10
.10
.10
.10
.01
.01
.01
.01
.01
.02
.02
.02
.02
.03
.03
.03
.03
.04
.04
.05
.06
.09
.11
.13
.15
.16
.21
.21
.28
.38
.42
.55
.66
.84
1.0
1.2
1.6
2.0
2.1
2.6
2.8
3.2
3.9
5.7
6.3
7.3
10
11
15
17
19
27
29
32
43
47
65
72
15
14
12
11
9.9
8.7
8.2
7.3
6.6
6.1
5.3
4.8
4.3
4.0
3.6
3.3
3.1
2.8
2.5
2.2
2.0
1.9
1.6
1.5
1.4
1.2
1.2
1.0
.97
.87
.79
.70
.64
.58
.53
.47
.43
.39
.36
.32
.29
.26
.26
.23
.21
.19
.17
.15
.14
.13
.12
.11
.10
.10
1.2
1.2
1.0
.90
.90
.80
.80
.90
.80
.80
.80
.80
.80
.80
.80
.80
.75
.65
.65
.65
.60
.60
.55
.55
.50
.50
.45
.45
.40
.40
.40
.37
.32
.30
.30
.30
.29
.30
.30
.25
.25
.22
.22
.20
.20
.18
.17
.16
.16
.16
.16
.14
.14
.13
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
3.2
2.5
2.0
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.2
1.0
1.0
.80
.80
.60
.60
.60
.50
.40
.40
.40
.40
.32
.25
.25
.25
.16
.16
.13
.13
.13
.10
.10
.10
.08
.08
.07
.07
Compliant
RoHS
CHARACTERISTICS
Description:
Radial leaded power line inductor (UL sleeved)
Applications:
Used in switching regulators, power amplifiers,
power supplies, SCR and Triac controls, speaker crossover
networks, RFI suppression and filters. Various applications
Operating Temperature:
-55°C to +125°C
Inductance Tolerance:
±10%
Testing:
Inductance is tested on an HP4284A at 1.0 kHz
Packaging:
Bulk pack
Marking:
Coils are sleeved in heat resistant polyolefin and
labeled with the part number
Saturation Current:
Lowers inductance by 5%
Bobbin:
High saturation, allows for high inductance with low
DC resistance
Miscellaneous:
RoHS Compliant.
Higher current parts available.
Additional Information:
Additional electrical & physical
information available upon request
Samples available. See website for ordering information.
PHYSICAL DIMENSIONS
Size
mm
inches
A
Max.
23.3
0.92
B
Max.
11.9
0.47
C
7.62±0.5
0.30±0.020
D
Min.
20.32
0.80
A
B
C
D
CTH8RF
-XXXX
04.24.08
Technologies
Manufacturer of Passive and Discrete Semiconductor Components
800-684-5322
Inside US
949-453-1811
Outside US
Copyright © 2008 by CT Magnetics, DBA Central Technologies. All rights reserved.
CT Magnetics reserves the right to make improvements or change specifications without notice
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Analog electronics
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