SMD Power Inductor
CDRH40D26R
Description
• Ferrite drum core construction.
• Magnetically shielded.
• L W H:4.2 4.2 2.8mm Max.
• Product weight: 150mg (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
RoHS
Dimension - [mm]
5.1
0.4
2.0 ±0.4
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 inductors.
Page 1 of 4
Revised: 29-Oct-12
℃
℃
℃ ½℃
½℃
× ×
× ×
3
.
3
2.0 ±6.2
5.4
3
.
9
4
.
0
±
0
.
2
SMD Power Inductor
CDRH40D26R
Electrical Characteristics
CDRH40D26RNP-2R4NC
CDRH40D26RNP-3R3NC
CDRH40D26RNP-3R9NC
CDRH40D26RNP-4R7NC
CDRH40D26RNP-6R8NC
CDRH40D26RNP-100MC
CDRH40D26RNP-150MC
CDRH40D26RNP-220MC
CDRH40D26RNP-330MC
CDRH40D26RNP-470MC
2.4
3.3
3.9
4.7
6.8
10
15
22
33
47
Page 2 of 4
℃ = ℃ =△
1 Inductance measuring condition at 100kHz .
2 Saturation current: The value of DC current when the inductance is over 70% of its nominal value.
3 Temperature rise current: The value of DC current when the temperature rise is T 40 (Ta 20
±
±
±
±
±
±
±
±
±
±
±
CDRH40D26RNP-1R8NC
1.8
30
30
30
30
30
30
42.1(33.7)
46.1(36.9)
57.5(46.0)
83.3(66.6)
91.4(73.1)
119(95.0)
166(138)
260(217)
320(267)
524(437)
764(637)
2.35
2.20
1.85
1.70
1.55
1.30
1.05
0.85
0.70
0.55
0.50
1.95
1.85
1.55
1.45
1.25
1.10
0.85
0.69
0.60
0.45
0.40
20
20
20
20
20
Revised: 29-Oct-12
℃
℃
(at 20
)
(at 105
)
2.90
2.60
2.50
1.80
1.75
1.60
1.35
1.05
0.95
0.65
0.55
).
※
%
%
%
%
%
%
%
%
%
%
%
※½
μ
Part name
※
℃
Ω
Inductance
[ H]
W ithin
1
D.C.R. (m )
[Max.] (Typ.)
(at 20 )
Saturation Current
(A) 2
Temperature
Rise Current
(A)
3
[
※
※
※
8.0
0
01
02
03
04
05
06
6.0
4.0
2.0
0.0
0
01
02
03
04
05
06
0
01
02
03
04
05
06
8.0
6.0
0.1
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
2.1 0.1 8.0 6.0 4.0 2.0 0.0
0
3
6
9
21
51
81
0
01
02
03
04
05
06
5.1
2.1
9.0
6.0
3.0
8.1 5.1 2.1 9.0 6.0 3.0 0.0
0
01
02
03
04
05
06
0.0
5.1
0.3
5.4
0.6
5.7
0.9
0
01
02
03
04
05
06
0.2
6.1
2.1
8.0
4.0
0.0
0
1
2
3
4
5
6
0
01
02
03
04
05
06
4.2 0.2 6.1 2.1 8.0 4.0 0.0
0.0
8.0
6.1
4.2
2.3
0.4
8.4
0.3 5.2 0.2 5.1 0.1 5.0 0.0
0
01
02
03
04
05
06
0.0
6.0
2.1
8.1
4.2
0.3
6.3
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
2.3
4.2
6.1
8.0
0.0
0.0
4.0
8.0
2.1
6.1
0.2
4.2
SMD Power Inductor
CDRH40D26R
Saturation Current & Temperature Rise Graph
L (20 )
L (105 )
△
℃
℃
L ( H)
1. CDRH40D26RNP-1R8NC
T( )
L ( H)
2. CDRH40D26RNP-2R4NC
T
T( )
L ( H)
3. CDRH40D26RNP-3R3NC
℃ △
μ
℃ △
μ
℃ △
L ( H)
4. CDRH40D26RNP-3R9NC
DC (A)
T( )
L ( H)
5. CDRH40D26RNP-4R7NC
DC (A)
T( )
L ( H)
6. CDRH40D26RNP-6R8NC
℃ △
μ
℃ △
μ
℃ △
L ( H)
7. CDRH40D26RNP-100MC
DC (A)
T( )
L ( H)
8. CDRH40D26RNP-150MC
DC (A)
T( )
L ( H)
9. CDRH40D26RNP-220MC
℃ △
μ
℃ △
μ
℃ △
L ( H)
10. CDRH40D26RNP-330MC
DC (A)
T( )
L ( H)
11. CDRH40D26RNP-470MC
℃ △
μ
℃ △
DC (A)
4.0
Page 3 of 4
DC (A)
DC (A)
2.0
0.0
0
8
61
42
23
04
84
T( )
Revised: 29-Oct-12
DC (A)
DC (A)
DC (A)
T( )
T( )
T( )
μ
0.0
0
2
4
6
8
01
21
μ
μ
μ
SMD Power Inductor
CDRH40D26R
Solder Reflow Condition
Heat Endurance
052
003
)℃( T
℃062
052
003
)℃( T
Temperature Chart
KAEP ℃542
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Page 4 of 4
Revised: 29-Oct-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