Drum Core Inductors - Radial Leaded
www.ctparts.com
SPECIFICATIONS
Part numbers indicate available inductance tolerance.
K = ±±10% M = ±ꢀ10
CTDR5F
DCR
Max.
(Ω)
Current
Saturating
DC (Amps)
Rated
Current
(Amps)
Wire Dia. Dimension
Part
Number
Inductance
(µH)
Ref.
(D)
(inches)
(inches)
Series
CTDR5F-1R8M
CTDR5F-2R2M
CTDR5F-2R7M
CTDR5F-3R3M
CTDR5F-3R9M
CTDR5F-4R7M
CTDR5F-5R6M
CTDR5F-6R8M
CTDR5F-8R2M
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
.002
.002
.002
.002
.003
.003
.003
.003
.003
155.0
155.0
125.0
125.0
102.0
87.0
87.0
87.0
76.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
0.105
0.105
0.105
0.105
0.105
0.105
0.105
0.105
0.105
1.11
1.11
1.11
1.11
1.11
1.11
1.11
1.11
1.11
From 1.8µH to 15,000µH
CTDR5F-100K
CTDR5F-120K
CTDR5F-150K
CTDR5F-180K
CTDR5F-220K
CTDR5F-270K
CTDR5F-330K
CTDR5F-390K
CTDR5F-470K
CTDR5F-560K
CTDR5F-680K
CTDR5F-820K
10
12
15
18
22
27
33
39
47
56
68
82
.004
.004
.005
.007
.007
.008
.009
.010
.011
.013
.015
.017
67.0
60.0
49.0
45.0
42.0
35.0
34.0
30.0
28.0
26.0
23.0
20.0
35.0
35.0
35.0
27.0
27.0
27.0
27.0
27.0
27.0
21.0
21.0
21.0
0.105
0.105
0.105
0.094
0.094
0.094
0.094
0.094
0.094
0.084
0.084
0.084
1.11
1.16
1.16
1.16
1.16
1.16
1.16
1.16
1.16
1.16
1.25
1.28
CTDR5F-101K
CTDR5F-121K
CTDR5F-151K
CTDR5F-181K
CTDR5F-221K
CTDR5F-271K
CTDR5F-331K
CTDR5F-391K
CTDR5F-471K
CTDR5F-561K
CTDR5F-681K
CTDR5F-821K
100
120
150
180
220
270
330
390
470
560
680
820
.018
.022
.025
.035
.040
.044
.049
.070
.078
.105
.115
.127
19.0
18.0
16.0
14.0
13.0
11.0
10.0
9.7
8.8
8.1
7.4
6.7
21.0
17.0
17.0
13.5
13.5
13.5
13.5
11.4
11.4
9.0
0.084
0.075
0.075
0.068
0.068
0.068
0.068
0.060
0.060
0.054
0.054
0.054
1.25
1.16
1.16
1.10
1.10
1.10
1.11
1.15
1.07
1.07
1.07
1.12
Not Shown at Actual Size
9.0
9.0
CTDR5F-102K
CTDR5F-122K
CTDR5F-152K
CTDR5F-182K
CTDR5F-222K
CTDR5F-272K
CTDR5F-332K
CTDR5F-392K
CTDR5F-472K
CTDR5F-562K
CTDR5F-682K
CTDR5F-822K
1000
1200
1500
1800
2200
2700
3300
3900
4700
5600
6800
8200
.176
.195
.274
.302
.338
.459
.642
.699
.775
.843
1.15
1.26
6.1
5.5
5.0
4.5
4.1
3.7
3.4
3.0
2.8
2.6
2.3
2.1
7.2
7.2
5.5
5.5
5.5
4.5
4.0
4.0
4.0
4.0
2.8
2.8
0.048
0.048
0.043
0.043
0.043
0.039
0.035
0.035
0.035
0.035
0.031
0.031
1.12
1.12
1.12
1.13
1.16
1.02
1.02
1.14
1.14
1.14
1.06
1.16
CHARACTERISTICS
Description: Radial leaded drum core
Applications: Used in switching regulators, power amplifiers,
power supplies, SCR and Triac controls, speaker crossover
networks, RFI suppression and filters
Operating Temperature: -55°C to +125°C
Saturated Current: Lowers inductance by 5%
Testing: Inductance and DCR are tested on an HP4263A at
1kHz
CTDR5F-103K
CTDR5F-123K
CTDR5F-153K
10000
12000
15000
1.74
1.92
2.17
1.9
1.7
1.5
2.0
2.0
2.0
0.028
0.028
0.028
1.13
1.13
1.13
Packaging: Bulk
Sleeving: UL-VW-1 sleeving
Hi Pot Voltage Test: 500V from lead wire to core
Miscellaneous: RoHS Compliant.
Additional Information: Additional electrical & physical
information available upon request.
Samples available. See website for ordering information.
PHYSICAL DIMENSIONS
B
Size
A
C
Max.
Max.
Min.
mm
inches
36.8
38.1
12.7
1.45
1.50
0.50
Clearance hole for
8/32 screw with washer
D
A
C
B
REV 07.11.17
Manufacturer of Passive Components
800-684-5322 Inside US
949-453-1811 Outside US
Copyright © 2017 by CT Magnetics, DBA Central Technologies. All rights reserved.
CT Magnetics reserves the right to make improvements or change specifications without notice