SMD Power Inductor
CDRH3D28
Description
• Ferrite drum core construction.
• Magnetically shielded.
• L×W×H:4.0×4.0×3.0 mm Max.
• Product weight:130m g (Ref.)
• Moisture Sensitivity Level: 1
• RoHS compliance.
RoHS
Environmental Data
• Operating temperature range: -40℃~+105℃
(including coil’s self temperature rise)
• Storage temperature range: -40℃~+105℃
• Solder reflow temperature: 260 ℃ peak.
Dimension - [mm]
4.
4±
0.
2
φ
2.
8
※3.8±0.2
2
0.
1±
1.
(2.8)
※3.8±0.2
ELECTRODE
Packaging
• Carrier tape and reel packaging
• 7.0”diameter reel
• 500pcs per reel
MAX.3.0
Land pattern and Schematics - [mm]
1
2
5.
1.
5
1
Applications
• Ideally used in Mobilephone,PDA,MP3,
DSC/DVC, Portable DVD, etc as DC-DC
converter inductors.
4
2.
4
1.
2
2
(3.3μH~15.0μH)
(22.0μH~47.0μH)
Electrical Characteristics
Part Name
Stamp
Saturation Current
(A)※2
Inductance
(μH)
[within]※1
D.C.R. (mΩ)
Max. (Typ.)
(at 20℃)
at 20℃
at 100℃
Temperature
Rise Current
(A) ※3
CDRH3D28NP-1R0NC
L
1.0μH±30%
37.5(30.0)
3.00
2.40
2.60
CDRH3D28NP-3R3NC
A
3.3±30%
72.1(57.7)
2.00
1.48
1.85
CDRH3D28NP-4R7NC
B
4.7±30%
88.3(70.6)
1.65
1.28
1.62
CDRH3D28NP-6R8NC
C
6.8±30%
119(95.0)
1.24
0.94
1.32
CDRH3D28NP-100NC
D
10±30%
145(116)
1.05
0.80
1.18
CDRH3D28NP-150NC
E
15±30%
213(170)
0.90
0.64
1.02
CDRH3D28NP-220NC
F
22±30%
335(268)
0.76
0.55
0.74
CDRH3D28NP-330NC
G
33±30%
481(385)
0.58
0.44
0.63
CDRH3D28NP-470NC
H
599(479)
0.48
0.36
47±30%
※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℃).
Page 1 of 3
0.56
Revised: 9-Jan-17
SMD Power Inductor
CDRH3D28
Saturation Current & Temperature Rise Graph
L (20℃)
1. CDRH3D28NP-1R0NC
L (μH)
△T
L (100℃)
△T (℃)
L (μH)
2. CDRH3D28NP-3R3NC
△T (℃)
L (μH)
3. CDRH3D28NP-4R7NC
△T (℃)
1.2
60
3.6
60
6
60
1.0
50
3.0
50
5
50
0.8
40
2.4
40
4
40
0.6
30
1.8
30
3
30
0.4
20
1.2
20
2
20
0.2
10
0.6
10
1
10
0.0
0
0.0
0
0
0
0.0
1.0
2.0 3.0
DC (A)
4.0
4. CDRH3D28NP-6R8NC
L (μH)
0.0
5.0
△T (℃)
0.5
1.0 1.5
DC (A)
2.0
5. CDRH3D28NP-100NC
L (μH)
2.5
0.0
△T (℃)
L (μH)
0.4
0.8 1.2
DC (A)
1.6
6. CDRH3D28NP-150NC
2.0
△T (℃)
9.0
60
12
60
18
60
7.5
50
10
50
15
50
6.0
40
8
40
12
40
4.5
30
6
30
9
30
3.0
20
4
20
6
20
1.5
10
2
10
3
10
0.0
0
0
0
0
0
0.0 0.3 0.6 0.9 1.2 1.5 1.8
DC (A)
L (μH)
7. CDRH3D28NP-220NC
0.0
△T (℃)
L (μH)
0.4
0.8
1.2
DC (A)
8. CDRH3D28NP-330NC
1.6
0.0 0.2 0.4 0.6 0.8 1.0 1.2
DC (A)
△T (℃)
9. CDRH3D28NP-470NC
L (μH)
△T (℃)
24
60
36
60
60
60
20
50
30
50
50
50
16
40
24
40
40
40
12
30
18
30
30
30
8
20
12
20
20
20
4
10
6
10
10
10
0
0
0
0
0
0.0
0.2
0.4 0.6
DC (A)
0.8
1.0
0.0
0.2
0.4 0.6
DC (A)
Page 2 of 3
0.8
1.0
0
0.0
0.2
0.4
0.6
DC (A)
Revised: 9-Jan-17
0.8
SMD Power Inductor
CDRH3D28
Solder Reflow Condition
T (℃)
300
250
Heat Endurance
T (℃)
300
250
260℃
230℃
200
100
50
0
50
0
60
120
180
240
230℃
40s
150
60
100
0
245℃ PEAK
200
10
150
Temperature Chart
300
T (s)
170±10 ℃,60~120s
0
60
120
180
240
300 T (s)
Please refer to the sales offices on our website - http://www.sumida.com
Hong Kong
Shanghai
Shenzhen
Taipei
Tel.+852-2880-6781
FAX.+852-2565-9600
sales@hk.sumida.com
Tel.+86-21-5836-3299
FAX.+86-21-5836-3266
shanghai.sales@cn.sumida.com
Tel.+86-755-8291-0228
FAX.+86-755-8291-0338
shenzhen.sales@cn.sumida.com
Tel.+886-2-8751-2737
FAX.+886-2-8751-2738
sales@tw.sumida.com
Saitama(Japan)
Seoul
Singapore
San Jose
Tel.+81-48-691-7300
FAX.+81-48-691-7340
sales@jp.sumida.com
Tel.+82-2-6237-0777
FAX.+82-2-6237-0778
sales@kr.sumida.com
Tel.+65-6296-3388
FAX.+65-6841-4426
sales@sg.sumida.com
Tel.+1-408-321-9660
FAX.+1-408-321-9308
sales@us.sumida.com
Chicago
Obernzell
Neumarkt
Tel.+1-847-545-6700
FAX. +1-847-545-6720
sales@us.sumida.com
Tel.+49-8591-937-0
FAX. +49-8591-937-103
contact@eu.sumida.com
Tel.+49-9181-4509-110
FAX. +49-9181-4509-310
infocomp@eu.sumida.com
Page 3 of 3
Revised: 9-Jan-17
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