PDF Datasheet

SMD Power Inductor
CDBH128
Description
• Ferrite core construction.
• Magnetically shielded.
• L W H: 13.0 12.8 8.0mm Max.
• Product weight: 5.4g(Ref.)
• Moisture Sensitivity Level: 1
• RoHS compliance.
• Halogen Free available.
RoHS
× ×
Halogen
Free
Dimension - [mm]
12.8 Max.
8.0 Max.
4.0±0.2
.x
aM
0.
31
5
.
0
±
0
.
3
)
7
.
6
(
5
.
0
±
0
.
3
Environmental Data
• Operating temperature range: -40
+125
(including coil’s self temperature rise)
+125
• Storage temperature range: -40
• Solder reflow temperature: 260
peak.
℃~ ℃
℃~ ℃
℃
Packaging
• Carrier tape and reel packaging.
• 11.8”diameter reel
• 250pcs per reel
Applications
• Ideally used in the multiple chopper type DCDC converters for servers and various
decentralized power supplier.
Land pattern and Schematics - [mm]
5.0
0.
5
× ×
0.
61
Solder Resist
Electrical Characteristics
Part No.
Stamp
CDBH128NP-R22MC
R22
CDBH128NP-R36MC
R36
CDBH128NP-R45MC
R45
μ
※
0.22±20%
0.36±20%
0.45±20%
Inductance ( H)
[within]
1
Ω
℃
D.C.R. (m )
[Max.] (Typ.)
(at 20 )
Saturation current
2
(A)※
(at 20℃)
(at 125℃)
Temperature rise
current ( ) 3
A※
0.5(0.25)
52
40
54
0.5(0.25)
33
24
54
0.5(0.25)
23
18
54
※1. Measuring condition: at 100kHz.
※2. Saturation current: The value of D.C. current when the inductance decreases to 75% 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 2
Revised: 10-Dec-13
SMD Power Inductor
CDBH128
Saturation Current & Temperature Rise Graph
℃
L (20 )
μ
℃
△T
L (125 )
60
0.6
μ
△T (℃)
0.5
50
0.5
50
40
0.4
40
0.4
40
0.15
30
0.3
30
0.3
30
0.10
20
0.2
20
0.2
20
0.05
10
0.1
10
0.1
10
0.00
0
0.0
0
0.0
0
1. CDBH128NP-R22MC
L ( H)
0.30
△T (℃)
μ
60
0.6
0.25
50
0.20
0
20
40
DC (A)
60
△T (℃)
2. CDBH128NP-R36MC
L ( H)
80
0
10
20
30 40
DC (A)
50
3. CDBH128NP-R45MC
L ( H)
60
60
0
10
20 30 40
DC (A)
50
60
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 2 of 2
Revised: 10-Dec-13