SMD Power Inductor
CDRH40D18R
Description
• Ferrite drum core construction.
• Magnetically shielded.
• L W H:4.2 4.2 2.0mm Max.
• Product weight: 110mg (Ref.)
• Moisture Sensitivity Level: 1
• RoHS compliance.
• Halogen Free available.
Environmental Data
• Operating temperature range: -40
+105
(including coil’s self temperature rise)
+105
• Storage temperature range: -40
• Solder reflow temperature: 260
peak.
Packaging
• Carrier tape and reel packaging
RoHS
Halogen
Free
Dimension - [mm]
Land pattern and Schematics - [mm]
6.1
3.1
6.1
Applications
• Ideally used in Mobile phone,PDA,MP3,HDD,
DSC/DVC, Note book PC ,etc as DC-DC
converter power supply.
Page 1 of 4
Revised: 17-Apr-12
℃
℃
℃ ½℃
½℃
× ×
× ×
5.4
3
.
9
SMD Power Inductor
CDRH40D18R
Electrical Characteristics
CDRH40D18RNP-1R8NC
CDRH40D18RNP-2R2NC
CDRH40D18RNP-3R3NC
CDRH40D18RNP-4R7NC
CDRH40D18RNP-6R8NC
CDRH40D18RNP-100MC
CDRH40D18RNP-150MC
CDRH40D18RNP-220MC
CDRH40D18RNP-270MC
CDRH40D18RNP-330MC
D
E
G
J
L
N
Q
S
T
U
1.8
2.2
30
30
30
30
30
48.4(38.7)
55.4(44.3)
2.10
1.80
1.80
1.50
3.3
4.7
6.8
10
15
79.5(63.6)
99.5(79.6)
144(120)
185(154)
306(255)
443(369)
588(490)
671(559)
1.45
1.25
1.00
0.85
0.70
0.60
0.50
0.45
1.25
1.00
0.85
0.70
0.60
0.50
0.43
0.40
20
20
20
20
20
22
27
33
Page 2 of 4
℃ = ℃ =△
1 Inductance measuring condition at 100kHz .
2 Saturation current: The value of DC current when the inductance decreases to 70% of its nominal.
3 Temperature rise current: The value of DC current when the temperature rise is T 40 (Ta 20
Revised: 17-Apr-12
℃
).
℃
(at 20
)
(at 105
)
2.60
2.40
2.00
1.70
1.35
1.25
0.90
0.73
0.62
0.55
※
[
% ±
% ±
% ±
% ±
% ±
% ±
% ±
% ±
% ±
% ±
[
※ μ
Part name
Stamp
※
℃
Ω
Inductance
[ H] 1
W ithin ]
D.C.R. (m )
Max.] (Typ.)
(at 20 )
Saturation Current
(A) 2
Temperature
Rise Current
(A) 3
※
※
※
6.0 5.0 4.0 3.0 2.0 1.0 0.0
0
01
02
03
04
05
06
0
8
61
42
23
04
84
8.0
0
01
02
03
04
05
06
6.0
4.0
2.0
0.0
0
6
21
81
42
03
63
0
01
02
03
04
05
06
8.0
6.0
4.0
2.0
0.0
0
5
01
51
02
52
03
0
01
02
03
04
05
06
0.1
8.0
6.0
4.0
2.0
5.1
0
01
02
03
04
05
06
2.1
9.0
6.0
3.0
0.0
0
2
4
6
8
01
21
0
01
02
03
04
05
06
5.1
2.1
9.0
6.0
3.0
0.0
0.0
5.1
0.3
5.4
0.6
5.7
0.9
0
01
02
03
04
05
06
8.1 5.1 2.1 9.0 6.0 3.0 0.0
0
1
2
3
4
5
6
4.2 0.2 6.1 2.1 8.0 4.0 0.0
0
01
02
03
04
05
06
0.0
8.0
6.1
4.2
2.3
0.4
8.4
0
01
02
03
04
05
06
0.3 5.2 0.2 5.1 0.1 5.0 0.0
0.0
5.0
0.1
5.1
0.2
5.2
0.3
0
01
02
03
04
05
06
0.3 5.2 0.2 5.1 0.1 5.0 0.0
0.0
4.0
8.0
2.1
6.1
0.2
4.2
SMD Power Inductor
CDRH40D18R
Saturation Current & Temperature Rise Graph
L (20 )
L (105 )
△
℃
℃
L ( H)
1. CDRH40D18RNP-1R8NC
T( )
L ( H)
2. CDRH40D18RNP-2R2NC
T
T( )
L ( H)
3. CDRH40D18RNP-3R3NC
℃ △
μ
℃ △
μ
℃ △
L ( H)
4. CDRH40D18RNP-4R7NC
DC (A)
T( )
L ( H)
5. CDRH40D18RNP-6R8NC
DC (A)
T( )
L ( H)
6. CDRH40D18RNP-100MC
℃ △
μ
℃ △
μ
℃ △
L ( H)
7. CDRH40D18RNP-150MC
DC (A)
T( )
L ( H)
8. CDRH40D18RNP-220MC
DC (A)
T( )
L ( H)
9. CDRH40D18RNP-270MC
℃ △
μ
℃ △
μ
℃ △
L ( H)
10. CDRH40D18RNP-330MC
℃ △
DC (A)
DC (A)
T( )
Page 3 of 4
DC (A)
Revised: 17-Apr-12
DC (A)
DC (A)
DC (A)
T( )
T( )
T( )
μ
0.0
0
3
6
9
21
51
81
μ
μ
μ
SMD Power Inductor
CDRH40D18R
Solder Reflow Condition
Heat Endurance
052
003
)℃( T
℃062
052
003
)℃( T
Temperature Chart
KAEP ℃542
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http://www.sumida.com
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FAX.+852-2565-9600
sales@hk.sumida.com
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Page 4 of 4
Revised: 17-Apr-12
)s( T 003
042
081
℃ ±
021
170 10
,60~120s
℃
s04
06
0
002
051
001
0
05
)s( T
003
℃032
01
06
042
081
021
06
230
0
002
051
001
0
05