PDF Datasheet

SMD Power Inductor
CDH25D11
Description
• Ferrite drum core construction.
• Magnetically unshielded.
• L W H: 2.6 2.1 x1.2 mm Max.
• Product weight:20.0 mg(Ref.)
• Moisture Sensitivity Level: 1
• RoHS compliance.
• Halogen Free available.
RoHS
× ×
Halogen
Free
×
Environmental Data
• Operating temperature range: -40
+105
(including coil’s self temperature rise)
+105
• Storage temperature range: -40
• Solder reflow temperature: 260
peak.
℃~ ℃
℃~ ℃
℃
Dimension - [mm]
Packaging
• Carrier tape and reel packaging
Applications
• Ideally used in Mobile Phone,PDA,MP3,DSC/
DVC,HDD,ets as DC-DC converter inductors.
2.00
Land pattern and Schematics - [mm]
0.85
0.8
1
2
0.85
Electrical Characteristics
Part Name
Stamp
CDH25D11HF-R47NC
A
CDH25D11HF-R68NC
K
CDH25D11HF-1R0NC
B
CDH25D11HF-1R5NC
C
CDH25D11HF-2R2MC
D
CDH25D11HF-3R3MC
E
CDH25D11HF-4R7MC
F
CDH25D11HF-6R8MC
G
CDH25D11HF-100MC
J
Inductance
( H) 1MHz
μ
±
0.68±30%
1.0±30%
1.5±30%
2.2±20%
3.3±20%
4.7±20%
6.8±20%
10.0±20%
0.47 30%
Ω
D.C.R. ( ) Max.
(Typ.) (at 20 )
(A)※1 (at 20℃)
Saturation Current
Temperature Rise
Current (A)
2
67m(54m)
3.40(4.00)
1.89
95m(76m)
2.67(3.15)
1.58
0.106(85m)
2.47(2.90)
1.55
0.156(0.125)
2.00(2.38)
1.32
0.184(0.147)
1.63(1.92)
1.17
0.288(0.230)
1.40(1.63)
0.92
0.421(0.337)
1.15(1.35)
0.75
0.611(0.489)
0.95(1.12)
0.57
0.978(0.782)
0.75(0.88)
0.45
℃
※1. Saturation current: The value of D.C. current when the inductance decreases to 70% of it’s nominal value.
※2. Temperature rise current: The value of D.C. current when the temperature rise is △t=40℃(Ta=20℃).
Page 1 of 3
※
Revised: 10-Dec-13
SMD Power Inductor
CDH25D11
Saturation Current & Temperature Rise Graph
℃
L (20 )
μ
L ( H)
1. CDH25D11HF-R47NC
0.6
△T (℃)
△T
μ
L ( H)
60
1.2
0.5
50
0.4
2. CDH25D11HF-R68NC
△T (℃)
μ
L ( H)
3. CDH25D11HF-1R0NC
△T (℃)
60
1.2
1.0
50
1.0
50
40
0.8
40
0.8
40
0.3
30
0.6
30
0.6
30
0.2
20
0.4
20
0.4
20
0.1
10
0.2
10
0.2
10
0
0.0
0
0.0
0.0
0
μ
L ( H)
1
2
DC (A)
3
4. CDH25D11HF-1R5NC
1.8
4
0.0
△T (℃)
μ
L ( H)
60
2.4
1.5
50
1.2
0.8
1.6
2.4
DC (A)
5. CDH25D11HF-2R2MC
3.2
△T (℃)
μ
60
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0
DC (A)
L ( H)
6. CDH25D11HF-3R3MC
△T (℃)
60
4.8
2.0
50
4.0
50
40
1.6
40
3.2
40
0.9
30
1.2
30
2.4
30
0.6
20
0.8
20
1.6
20
0.3
10
0.4
10
0.8
10
0.0
0
0.0
0.0
μ
0
0.0 0.4 0.8 1.2 1.6 2.0 2.4
DC (A)
L ( H)
7. CDH25D11HF-4R7MC
4.8
△T (℃)
0.0
μ
L ( H)
60
9.0
4.0
50
3.2
0.4
0.8 1.2
DC (A)
1.6
8. CDH25D11HF-6R8MC
2.0
△T (℃)
μ
60
0
0.0 0.3 0.6 0.9 1.2 1.5 1.8
DC (A)
L ( H)
9. CDH25D11HF-100MC
△T (℃)
60
12
7.5
50
10
50
40
6.0
40
8
40
2.4
30
4.5
30
6
30
1.6
20
3.0
20
4
20
0.8
10
1.5
10
2
10
0
0.0
0
0
0.0
0.0
0.3
0.6 0.9
DC (A)
1.2
1.5
0.0
0.3
0.6
DC (A)
0.9
Page 2 of 3
1.2
60
0
0.0
0.2
0.4 0.6 0.8
DC (A)
Revised: 10-Dec-13
1.0
SMD Power Inductor
CDH25D11
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]
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: 10-Dec-13