SMD Power Inductor
CDPH40D18
Description
• Ferrite core construction.
• Magnetically shielded.
• L W H: 4.2 4.2 2.0mm Max.
• Product weight: 120mg(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.
• 13.0”diameter reel
• 3000pcs per reel
RoHS
Dimension - [mm]
Land pattern and Schematics - [mm]
Applications
• Ideally used in Mobilephone,PDA,MP3,
DSC/DVC, etc as DC-DC converter inductors.
Electrical Characteristics
CDPH40D18NP-4R7MC
CDPH40D18NP-100MC
CDPH40D18NP-330MC
4.7
20
103
231
764
20
20
20
1.84
1.22
1.30
0.82
10.0 20
33.0 20
0.64
0.43
1. Inductance measuring condition: at 100kHz.
2. Saturation current: The value of D.C. current when the inductance decreases to 70% of it’s nominal value.
Page 1 of 2
℃ = ℃ =△
3. Temperature rise current: The value of D.C. current when the temperature rise is
t 40
(Ta
20
).
Revised: 1-Nov-12
※
※
% ±
% ±
% ±
※
μ
Part No.
% ±
% ±
% ±
℃
Ω
Inductance
( H)
1
[Within]
D.C.R. (m )
[Within]
(At 20 )
Saturation current
(A)
2
Temperature
rise current
3
(A)
℃
℃
℃
½℃
℃
× ×
× ×
※
※
※
SMD Power Inductor
CDPH40D18
Saturation Current & Temperature Rise Graph
1. CDPH40D18NP-4R7MC
L ( H)
DC (A)
DC (A)
DC (A)
Solder Reflow Condition
Heat Endurance
052
003
)℃( T
℃062
052
003
)℃( T
Temperature Chart
KAEP ℃542
Please refer to the sales offices on our website -
http://www.sumida.com
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FAX.+852-2565-9600
sales@hk.sumida.com
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FAX.+86-755-8291-0338
shenzhen.sales@cn.sumida.com
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Tel.+886-2-8751-2737
FAX.+886-2-8751-2738
sales@tw.sumida.com
Tokyo
Tel.+81-3-5202-7112
FAX.+81-3-5202-7105
sales@jp.sumida.com
Seoul
Tel.+82-2-6237-0777
FAX.+82-2-6237-0778
sales@kr.sumida.com
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Tel.+65-6296-3388
FAX.+65-6296-3390
sales@sg.sumida.com
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Tel.+1-408-321-9660
FAX.+1-408-321-9308
sales@us.sumida.com
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Tel.+1-847-545-6700
FAX. +1-847-545-6720
sales@us.sumida.com
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Tel.+49-8591-937-0
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Tel.+49-9181-4509-110
FAX. +49-9181-4509-310
infocomp@eu.sumida.com
Page 2 of 2
Revised: 1-Nov-12
)s( T 003
042
081
℃ ±
170 10
,60~120s
℃
230
06
05
04
03
02
01
℃ △
0
0.1
8.0
s04
6.0
4.0
2.0
0.0
μ
84
04
23
42
61
8
0
021
06
05
04
03
02
01
℃ △
0
6.1
06
2.1
0
002
051
001
8.0
0
05
)s( T
4.0
℃032
003
0.0
μ
T( )
81
51
21
9
6
3
0
01
06
042
△
L (20 )
06
05
04
03
02
01
℃ △
0
5.2
081
0.2
℃
T
2. CDPH40D18NP-100MC
L ( H)
T( )
3. CDPH40D18NP-330MC
L ( H)
T( )
021
5.1
0.1
06
5.0
0
0.0
002
051
001
μ
0
05
6
5
4
3
2
1
0