PDF Datasheet

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
× ×
Dimension - [mm]
2.0
±
8.3
※
.8
φ2
(2.8)
※3.8±0.2
MAX.3.0
Environmental Data
• Operating temperature range: -40 ~+105
(including coil’s self temperature rise)
• Storage temperature range: -40
+105
• Solder reflow temperature: 260
peak.
℃
℃~
℃
1.
1±
0.
2
0.2
±
4
4.
ELECTRODE
Land pattern and Schematics - [mm]
5
1.
2.
4
1
5.
2
1.
4
1
2
× ×
℃
℃
Packaging
• Carrier tape and reel packaging
• 7.0”diameter reel
• 500pcs per reel
Applications
• Ideally used in Mobilephone,PDA,MP3,
DSC/DVC, Portable DVD, etc as DC-DC
converter inductors.
2
μ ~15.0μH)
(3.3 H
(22.0
μH~47.0μH)
Electrical Characteristics
Part Name
Stamp
CDRH3D28NP-3R3NC
A
CDRH3D28NP-4R7NC
B
CDRH3D28NP-6R8NC
C
CDRH3D28NP-100NC
D
CDRH3D28NP-150NC
E
CDRH3D28NP-220NC
F
CDRH3D28NP-330NC
G
CDRH3D28NP-470NC
H
μ
[within]※1
3.3±30%
4.7±30%
6.8±30%
10±30%
15±30%
22±30%
33±30%
47±30%
Inductance
( H)
Ω
℃
D.C.R. (m )
Max. (Typ.)
(at 20 )
( )※
at 20℃
at 100℃
Saturation Current
A
2
Temperature
Rise Current
(A) 3
※
72.1(57.7)
2.00
1.48
1.85
88.3(70.6)
1.65
1.28
1.62
119(95.0)
1.24
0.94
1.32
145(116)
1.05
0.80
1.18
213(170)
0.90
0.64
1.02
335(268)
0.76
0.55
0.74
481(385)
0.58
0.44
0.63
599(479)
0.48
0.36
0.56
※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
Revised: 7-Jan-14
SMD Power Inductor
CDRH3D28
Saturation Current & Temperature Rise Graph
℃
L (20 )
μ
1. CDRH3D28NP-3R3NC
L ( H)
3.6
℃
△T
L (100 )
△T (℃)
μ
2. CDRH3D28NP-4R7NC
L ( H)
60
6
3.0
50
2.4
△T (℃)
μ
3. CDRH3D28NP-6R8NC
L ( H)
△T (℃)
60
9.0
5
50
7.5
50
40
4
40
6.0
40
1.8
30
3
30
4.5
30
1.2
20
2
20
3.0
20
0.6
10
1
10
1.5
10
0
0
0
0.0
0.0
0.0
0.5
1.0 1.5
DC (A)
2.0
μ
4. CDRH3D28NP-100NC
L ( H)
12
2.5
0.0
△T (℃)
0.4
0.8 1.2
DC (A)
1.6
μ
5. CDRH3D28NP-150NC
L ( H)
60
18
10
50
8
2.0
60
0
0.0 0.3 0.6 0.9 1.2 1.5 1.8
DC (A)
△T (℃)
μ
6. CDRH3D28NP-220NC
L ( H)
△T (℃)
60
24
15
50
20
50
40
12
40
16
40
6
30
9
30
12
30
4
20
6
20
8
20
2
10
3
10
4
10
0
0
0
0
0
0.0
0.4
μ
0.8
1.2
DC (A)
7. CDRH3D28NP-330NC
L ( H)
36
1.6
△T (℃)
0.0 0.2 0.4 0.6 0.8 1.0 1.2
DC (A)
μ
8. CDRH3D28NP-470NC
L ( H)
△T (℃)
60
30
50
50
50
24
40
40
40
18
30
30
30
12
20
20
20
6
10
10
10
0
0
0
0.0
0.2
0.4 0.6
DC (A)
0.8
1.0
0
0.0
60
60
0.2
0.4 0.6
DC (A)
0.8
60
0
0.0
0.2
0.4
0.6
DC (A)
Page 2 of 3
0.8
Revised: 7-Jan-14
1.0
SMD Power Inductor
CDRH3D28
Solder Reflow Condition
T (℃)
300
250
Heat Endurance
260℃
230℃
200
0
60
120
180
240
245℃ PEAK
T (s)
40s
± ℃,60~120s
170 10
100
300
℃
230
150
60
100
Temperature Chart
200
10
150
50
0
T (℃)
300
250
50
0
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
[email protected]a.com
Tel.+86-21-5836-3299
FAX.+86-21-5836-3266
[email protected]
Tel.+86-755-8291-0228
FAX.+86-755-8291-0338
[email protected]
Tel.+886-2-8751-2737
FAX.+886-2-8751-2738
[email protected]
Saitama(Japan)
Seoul
Singapore
San Jose
Tel.+81-48-691-7300
FAX.+81-48-691-7340
[email protected]
Tel.+82-2-6237-0777
FAX.+82-2-6237-0778
[email protected]
Tel.+65-6296-3388
FAX.+65-6841-4426
[email protected]
Tel.+1-408-321-9660
FAX.+1-408-321-9308
[email protected]
Chicago
Obernzell
Neumarkt
Tel.+1-847-545-6700
FAX. +1-847-545-6720
[email protected]
Tel.+49-8591-937-0
FAX. +49-8591-937-103
[email protected]
Tel.+49-9181-4509-110
FAX. +49-9181-4509-310
[email protected]
Page 3 of 3
Revised: 7-Jan-14