SMD Power Inductor
CDRH4D18C
Description
• Ferrite drum core construction.
• Magnetically shielded.
• L×W×H:5.1×5.1×2.0 mm Max.
• Product weight: 135mg(Ref.)
• Moisture Sensitivity Level: 1
• RoHS compliance.
Environmental Data
• Operating temperature range: -40℃~+105℃
(including coil’s self temperature rise)
• Storage temperature range: -40℃½+105℃
• Solder reflow temperature: 260
℃
peak.
Packaging
• Carrier tape and reel packaging
• 7.0”diameter reel
• 1000pcs per reel
Applications
• Ideally used in Mobile phone,PDA,MP3,HDD,
DSC/DVC, Note book PC, etc as DC-DC
converter inductors.
RoHS
Dimension - [mm]
4.9±
0.2
2.0 Max.
1.
4±
0.
2
4.9 ±0.2
4.
4±
6
0.
3
Ma
x.
.2
Land pattern and Schematics - [mm]
6.
0
°
45
4.
5
１
2.
0
１
２
（1.1μH½6.8μH）
２
（10μH½100μH）
Page 1 of 4
Revised: 9-Jan-17
SMD Power Inductor
CDRH4D18C
Electrical Characteristics
Part No.
CDRH4D18CNP-1R1PC
CDRH4D18CNP-2R2PC
CDRH4D18CNP-3R0PC
CDRH4D18CNP-4R7PC
CDRH4D18CNP-6R8PC
CDRH4D18CNP-100PC
CDRH4D18CNP-150PC
CDRH4D18CNP-220PC
CDRH4D18CNP-330PC
CDRH4D18CNP-470PC
CDRH4D18CNP-680PC
CDRH4D18CNP-101PC
Stamp
A
B
C
D
E
F
G
H
I
J
K
L
Inductance
(μH)
[within]
※1
1.1
±
25%
2.2
±
25%
3.0
±
25%
4.7
±
25%
6.8
±
25%
10
±
25%
15
±
25%
22
±
25%
33
±
25%
47
±
25%
68
±
25%
100
±
25%
D.C.R.(Ω)
Max. (Typ.)
(at 20℃)
29m(23m)
39m(31m)
61m(49m)
110m(88m)
125m(100m)
156m(125m)
194m(155m)
323m(258m)
550m(440m)
783m(626m)
1.16(925m)
1.51(1.21)
Rated Current
(A)
※2
2.4
1.7
1.5
1.15
1.05
830m
700m
600m
460m
410m
305m
250m
※1.
Inductance measuring condition: at 100kHz.
※2.
Rated current: The DC current at which the inductance decreases to 65% of its nominal value or when
△t=40℃,
whichever is lower (Ta=20℃).
Page 2 of 4
Revised: 9-Jan-17
SMD Power Inductor
CDRH4D18C
Saturation Current & Temperature Rise Graph
L (20℃)
L (μH)
1. CDRH4D18CNP-1R1PC
△T
(℃)
L (100℃)
L (μH)
△T
△T
(℃)
3. CDRH4D18CNP-3R0PC
L (μH)
△T
(℃)
2. CDRH4D18CNP-2R2PC
1.8
1.5
1.2
0.9
0.6
0.3
0.0
0.0 0.6 1.2 1.8 2.4 3.0 3.6
DC (A)
4. CDRH4D18CNP-4R7PC
L (μH)
60
50
40
30
20
10
0
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0.0
L (μH)
60
50
40
30
20
10
0
0.5
1.0 1.5
DC (A)
2.0
2.5
△T
(℃)
3.6
3.0
2.4
1.8
1.2
0.6
0.0
0.0
L (μH)
60
50
40
30
20
10
0
0.4
0.8 1.2
DC (A)
1.6
2.0
△T
(℃)
△T
(℃)
5. CDRH4D18CNP-6R8PC
6. CDRH4D18CNP-100PC
6
5
4
3
2
1
0
0.0
L (μH)
60
50
40
30
20
10
0
0.4
0.8
1.2
DC (A)
1.6
△T
(℃)
12
10
8
6
4
2
0
0.0
0.3
0.6 0.9
DC (A)
1.2
1.5
60
50
40
30
20
10
0
12
10
8
6
4
2
0
0.0 0.2 0.4 0.6 0.8 1.0 1.2
DC (A)
L (μH)
9. CDRH4D18CNP-330PC
60
50
40
30
20
10
0
7. CDRH4D18CNP-150PC
8. CDRH4D18CNP-220PC
L (μH)
△T
(℃)
△T
(℃)
18
15
12
9
6
3
0
0.0
L (μH)
60
50
40
30
20
10
0
0.2
0.4 0.6
DC (A)
0.8
1.0
△T
(℃)
30
25
20
15
10
5
0
0.0
0.2
0.4
0.6
DC (A)
0.8
60
50
40
30
20
10
0
36
30
24
18
12
6
0
0.0
L (μH)
60
50
40
30
20
10
0
0.2
0.4
0.6
DC (A)
0.8
△T
(℃)
10. CDRH4D18CNP-470PC
11. CDRH4D18CNP-680PC
L (μH)
△T
(℃)
12. CDRH4D18CNP-101PC
60
50
40
30
20
10
0
0.0 0.1 0.2 0.3 0.4 0.5 0.6
DC (A)
60
50
40
30
20
10
0
90
75
60
45
30
15
0
0.0
0.1
0.2 0.3
DC (A)
0.4
0.5
60
50
40
30
20
10
0
120
100
80
60
40
20
0
0.0
0.1
0.2
0.3
DC (A)
0.4
60
50
40
30
20
10
0
Page 3 of 4
Revised: 9-Jan-17
SMD Power Inductor
CDRH4D18C
Solder Reflow Condition
T (℃)
300
250
200
150
100
50
0
0
60
120
180
240
300
T (s)
Heat Endurance
260℃
230℃
10
60
T (℃)
300
250
200
150
100
50
0
0
60
120
180
240
300 T (s)
170±10
℃,60~120s
Temperature Chart
245℃ PEAK
230℃
40s
Please refer to the sales offices on our website -
http://www.sumida.com
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Page 4 of 4
Revised: 9-Jan-17
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