
Drum Cores - Radial Leaded
ctparts.com
Manufacturer of Inductors, Chokes, Coils, Beads, Transformers & Toroids
800-684-5322 Inside US
949-453-1811 Outside US
Copyright 2005 by CT Magnetics, DBA Central Technologies. All rights reserved.
CT Magnetics reserves the right to make improvements or change specifications without notice
CENTRAL Technologies
04.20.05
Size
A
B
C
D
E
Max.
Typ.
mm
22.0
15±2
3.9
15
inches
0.87
0.59±0.08
0.15
0.59
PHYSICAL DIMENSIONS
A
C
B
D
E
SPECIFICATIONS
Part numbers indicate available tolerance.
K = ±10%, M = ±20%
CTDR2F Please specify “F” for RoHS compliant.
L Test
DCR
IDC
Part
Inductance
Freq.
Max.
Number
(H)
(kHz)
(
)
(A)
CTDR2_-1R0M
1.0
.003
11.4
CTDR2_-1R2M
1.2
1.0
.003
11.4
CTDR2_-1R5M
1.5
1.0
.003
11.4
CTDR2_-1R8M
1.8
1.0
.003
11.4
CTDR2_-2R2M
2.2
1.0
.004
11.4
CTDR2_-3R3M
3.3
1.0
.005
11.4
CTDR2_-3R9M
3.9
1.0
.005
11.4
CTDR2_-4R7M
4.7
1.0
.005
11.4
CTDR2_-5R6M
5.6
1.0
.006
11.4
CTDR2_-6R8M
6.8
1.0
.007
11.4
CTDR2_-8R2M
8.2
1.0
.007
11.4
CTDR2_-100M
10
1.0
.009
11.4
CTDR2_-120K
12
1.0
.009
11.4
CTDR2_-150K
15
1.0
.013
9.0
CTDR2_-180K
18
1.0
.018
7.2
CTDR2_-220K
22
1.0
.019
7.2
CTDR2_-270K
27
1.0
.026
5.5
CTDR2_-330K
33
1.0
.029
5.5
CTDR2_-390K
39
1.0
.030
5.5
CTDR2_-470K
47
1.0
.035
5.5
CTDR2_-560K
56
1.0
.039
5.5
CTDR2_-680K
68
1.0
.053
4.8
CTDR2_-820K
82
1.0
.060
4.8
CTDR2_-101K
100
1.0
.080
4.0
CTDR2_-121K
120
1.0
.090
4.0
CTDR2_-151K
150
1.0
.098
4.0
CTDR2_-181K
180
1.0
.110
4.0
CTDR2_-221K
220
1.0
.150
2.8
CTDR2_-271K
270
1.0
.213
2.0
CTDR2_-331K
330
1.0
.305
1.6
CTDR2_-391K
390
1.0
.320
1.6
CTDR2_-471K
470
1.0
.355
1.6
CTDR2_-561K
560
1.0
.388
1.6
CTDR2_-681K
680
1.0
.430
1.6
CTDR2_-821K
820
1.0
.590
1.3
CTDR2_-102K
1000
1.0
.818
1.0
CTDR2_-122K
1200
1.0
1.14
0.8
CTDR2_-152K
1500
1.0
1.26
0.8
CTDR2_-182K
1800
1.0
1.39
0.8
CTDR2_-222K
2200
1.0
1.54
0.8
CTDR2 Series
From 1.0 H to 2,200 H
Not shown at actual size.
CHARACTERISTICS
Description: Radial leaded drum core inductor
Applications: Used in switching regulators, power amplifiers,
power supplies, SCR and Triac controls, speaker crossover
networks, RFI suppression and filters
Operating Temperature: -25°C to +85°C
Temperature Rise: 50°C Max. at IDC
IDC: Current at which inductance drops 10% Max.
Inductance Tolerance: ±10%, ±20%
Testing: Inductance is tested on an HP4284A at 1.0 kHz
Packaging: Bulk pack
Sleeving: Coils finished with UL-VW-1 sleeving
Mounting: Center hole furnished for mechanical mounting
Miscellaneous: RoHS Compliant available. Non-standard
tolerances and other values available.
Additional Information: Additional electrical & physical
information available upon request
Samples available. See website for ordering information.
RoHS
Compliant
Available