Page 1 of 4 Revised: 7-Jan-14
SMD
SMD SMD
SMD Power Inductor
Power InductorPower Inductor
Power Inductor
CDRH3D18
Description
• Ferrite drum core construction.
• Magnetically shielded.
• L
×
W
×
H:4.0
×
4.0
×
2.0 mm Max.
• Product weight: 0.1g(Ref.)
• Moisture Sensitivity Level: 1
• RoHS compliance.
Environmental Data
• Operating temperature range: -40
℃
~+105
℃
(including coil’s self temperature rise)
• Storage temperature range: -40
℃～
+105
℃
• Solder reflow temperature: 260
℃
peak.
Packaging
• Carrier tape and reel packaging
• 7.0”diameter reel
• 1000pcs per reel
Applications
• Ideally used in Mobilephone,PDA,MP3,
DSC/DVC, etc as DC-DC converter inductors.
RoHS
Dimension - [mm]
Land pattern and Schematics - [mm]
1
22
1
S S
(1.0
μ
H
～
6.8
μ
H) (10
μ
H
～
47
μ
H)
5
.
2
2
.
4
1
.
4
1
.
5
(＊
3)4.4±
0.2
(
＊
3)1.1±
0.2
( ＊1) 3.8±0.2
φ
2.8
0.9±
0.2
(
＊
1
)
3
.
8
±
0
.
2
①
②
(＊
2)MAX.5.2
MAX.1.4
MAX. 2.0
ELECTRODE
Page 2 of 4 Revised: 7-Jan-14
SMD
SMD SMD
SMD Power Inductor
Power InductorPower Inductor
Power Inductor
CDRH3D18
Electrical Characteristics
※
1. Inductance measuring condition: at 100kHz.
※
2. Saturation current: The value of D.C. current when the inductance decreases to 65% of it’s nominal value.
※
3. Temperature rise current: The value of D.C. current when the temperature rise is
△
t
＝
40
℃
(Ta
＝
20
℃
).
0.350.300.40964(771)47.0
±
30
％
KCDRH3D18NP-470NC
0.450.350.50640(512)33.0
±
30
％
JCDRH3D18NP-330NC
0.600.450.60424(339)22.0
±
30
％
ICDRH3D18NP-220NC
0.750.550.75302(241)15.0
±
30
％
HCDRH3D18NP-150NC
0.800.600.80275(220)12.0
±
30
％
GCDRH3D18NP-120NC
0.900.650.90205(164)10.0
±
30
％
FCDRH3D18NP-100NC
1.100.801.10150(120)6.8
±
30
％
ECDRH3D18NP-6R8NC
1.350.951.35107.5(86)4.7
±
30
％
DCDRH3D18NP-4R7NC
1.801.201.6069(55) 3.0
±
30
％
CCDRH3D18NP-3R0NC
2.001.301.8063(50)2.2
±
30
％
BCDRH3D18NP-2R2NC
2.402.002.8050(40)1.0
±
30
％
ACDRH3D18NP-1R0NC
at 100
℃
at 20
℃
Temperature
Rise Current
(A)
※
3
Saturation Current
（
A
）※
2
D.C.R. (m
Ω
)
Max. (Typ.)
(at 20
℃
)
Inductance
(
μ
H)
[within]
※
1
StampPart Name
Page 3 of 4 Revised: 7-Jan-14
SMD
SMD SMD
SMD Power Inductor
Power InductorPower Inductor
Power Inductor
CDRH3D18
0
10
20
30
40
50
60
0.0 0.1 0.2 0.3 0.4 0.5
0
10
20
30
40
50
60
0
6
12
18
24
30
36
0.0 0.1 0.2 0.3 0.4 0.5 0.6
0
10
20
30
40
50
60
0
5
10
15
20
25
30
0.0 0.2 0.4 0.6 0.8
0
10
20
30
40
50
60
0
3
6
9
12
15
18
0.0 0.2 0.4 0.6 0.8 1.0
0
10
20
30
40
50
60
0
3
6
9
12
15
18
0.0 0.2 0.4 0.6 0.8 1.0
0
10
20
30
40
50
60
0
2
4
6
8
10
12
0.0 0.2 0.4 0.6 0.8 1.0 1.2
0
10
20
30
40
50
60
0.0
1.5
3.0
4.5
6.0
7.5
9.0
0.0 0.3 0.6 0.9 1.2 1.5
0
10
20
30
40
50
60
0
1
2
3
4
5
6
0.0 0.3 0.6 0.9 1.2 1.5
0
10
20
30
40
50
60
0.0
0.6
1.2
1.8
2.4
3.0
3.6
0.0 0.4 0.8 1.2 1.6 2.0
0
10
20
30
40
50
60
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0.0 0.4 0.8 1.2 1.6 2.0 2.4
0
10
20
30
40
50
60
0.0
0.2
0.4
0.6
0.8
1.0
1.2
0.0 0.6 1.2 1.8 2.4 3.0 3.6
0
10
20
30
40
50
60
Saturation Current & Temperature Rise Graph
1. CDRH3D18NP-1R0NC
△
T (
℃
)L (
μ
H)
DC (A) DC (A)
2. CDRH3D18NP-2R2NC
△
T (
℃
)L (
μ
H)
△
T (
℃
)
3. CDRH3D18NP-3R0NC
L (
μ
H)
DC (A)
△
T (
℃
)
4. CDRH3D18NP-4R7NC
L (
μ
H)
DC (A)
△
T (
℃
)
5. CDRH3D18NP-6R8NC
L (
μ
H)
DC (A)
△
T (
℃
)
6. CDRH3D18NP-100NC
L (
μ
H)
DC (A)
△
T (
℃
)
7. CDRH3D18NP-120NC
L (
μ
H)
DC (A)
△
T (
℃
)
8. CDRH3D18NP-150NC
L (
μ
H)
DC (A) DC (A)
△
T (
℃
)
9. CDRH3D18NP-220NC
L (
μ
H)
L (20
℃
)
△
T L (100
℃
)
△
T (
℃
)
10. CDRH3D18NP-330NC
L (
μ
H)
DC (A)
△
T (
℃
)
11. CDRH3D18NP-470NC
L (
μ
H)
DC (A)
Page 4 of 4 Revised: 7-Jan-14
SMD
SMD SMD
SMD Power Inductor
Power InductorPower Inductor
Power Inductor
CDRH3D18
Solder Reflow Condition
170
±
10
℃
,60~120s
40s
230
℃
245℃ PEAK
Heat Endurance Temperature Chart
300
60
120 180 240
0
0
100
150
200
250
300
50
10
T (℃)
T (s)
60
260℃
230℃
0
100
150
200
250
300
50
T (℃)
300120 180 240
0 T (s)
60
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