Power Inductors - Shielded
ctparts.com
SPECIFICATIONS
Parts are available in ±30% tolerance only.
CTCDRH4D28F Please specify “F” for RoHS Compliant
CTCDRH4D28 Series
Inductance
@ 0.25Vrms,0Adc
(µH ±30%)
L Test
Freq.
(kHz)
DCR
Max.
(mΩ)
Rated DC
Current
(A)
Part
Number
From 1.2 µH to 390 µH
CTCDRH4D28_-1R2N
CTCDRH4D28_-1R8N
CTCDRH4D28_-2R2N
CTCDRH4D28_-2R7N
CTCDRH4D28_-3R3N
CTCDRH4D28_-3R9N
CTCDRH4D28_-4R7N
CTCDRH4D28_-5R6N
CTCDRH4D28_-6R8N
CTCDRH4D28_-8R2N
1.2
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
100
100
100
100
100
100
100
100
100
100
23.6
27.5
31.3
43.3
49.2
2.56
2.20
2.04
1.60
1.57
1.44
1.32
1.17
1.12
1.04
64.8
72.0
Not shown at actual size.
100.9
108.9
117.5
RoHS
Compliant
Available
CTCDRH4D28_-100N
CTCDRH4D28_-120N
CTCDRH4D28_-150N
CTCDRH4D28_-180N
CTCDRH4D28_-220N
CTCDRH4D28_-270N
CTCDRH4D28_-330N
CTCDRH4D28_-390N
CTCDRH4D28_-470N
CTCDRH4D28_-560N
CTCDRH4D28_-680N
CTCDRH4D28_-820N
10
12
15
18
22
27
33
39
47
56
68
82
100
100
100
100
100
100
100
100
100
100
100
100
128.5
131.6
149.0
166.0
235.0
261.0
378.0
383.7
587.0
624.5
699.0
914.8
1.00
0.84
0.76
0.72
0.70
0.58
0.56
0.50
0.48
0.41
0.35
0.32
CTCDRH4D28_-101N
CTCDRH4D28_-121N
CTCDRH4D28_-151N
CTCDRH4D28_-181N
CTCDRH4D28_-221N
CTCDRH4D28_-271N
CTCDRH4D28_-331N
CTCDRH4D28_-391N
100
120
150
180
220
270
330
390
100
100
100
100
100
100
100
100
1020.0
1270.0
1350.0
1540.0
1720.0
1950.0
2660.0
2830.0
0.29
0.27
0.24
0.22
0.22
0.16
0.14
0.13
CHARACTERISTICS
Description: SMD (shielded) power inductor
Applications: Power supplies for VTR, OA equipment, LCD
televisions, PC notebooks, portable communication equipment,
DC/DC converters, etc.
PHYSICAL DIMENSIONS
B
Size
A
C
D
E
F
Operating Temperature: -30°C to +100°C
Inductance Tolerance: ±30%
Max.
mm
4.7±0.3
4.7±0.3
4.5
1.5
4.5
3.0
Testing: Tested on a HP4285A at specified frequency
Packaging: Tape & Reel
inches
0.19±0.01
0.19±0.01
0.177
0.06
0.177
0.12
Marking: Parts are marked with inductance code
Rated DC Current: Indicates the current when the inductance
decreases to 65% more than its nominal value and temperature
rising ∆T=40°C lower at D.C. superposition.
Miscellaneous: RoHS Compliant available
Additional Information: Additional electrical & physical
information available upon request
Samples available. See website for ordering information.
PAD LAYOUT
12.05.05
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
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