SMD Power Inductor CDH38D16D/LD
RoHS
Halogen Free
Dimension - [mm]
3.8±0.15
1.7±0.1
0.1 4.0±
3.5 1.0
Land pattern and Schematics - [mm]
3.8 0.8 1.5
3.2
Description • Ferrite drum core construction.
× × × ×• Magnetically unshielded.
• L W H: 4.1 3.95 1.8mm Max. • Product weight: 80mg(Ref.) • Moisture Sensitivity Level: 1 • RoHS compliance. • Halogen Free available.
℃~ ℃Environmental Data
• Operating temperature range: -40
+105
(including coil’s self temperature rise)
℃~ ℃• Storage temperature range: -40 +105 ℃• Solder reflow temperature: 260 peak.
3.0
Packaging • Carrier tape and reel packaging.
• 13.0”diameter reel
• 3000pcs per reel
Applications
• Ideally used in Mobilephone,PDA,MP3,DSC/ DVC,HDD etc as DC-DC converter inductors.
Page 1 of 4
Revised: 19-Dec-13
SMD Power Inductor CDH38D16D/LD
Electrical Characteristics
Part No.
Stamp
μInductance [ H] ※[Within] 1
ΩD.C.R. (m ) ℃[Within]
(at 20 )
(A)※Saturation current 2
℃ ℃(at 20 ) (at 105 )
CDH38D16DLDHF-1R0MC
A
± %1.0 20
± %25 25
2.40 1.90
CDH38D16DLDHF-1R7MC
C
± %1.7 20
± %33 25
1.90 1.50
CDH38D16DLDHF-2R0MC
E
± %2.0 20
± %38 25
1.70 1.35
CDH38D16DLDHF-3R3MC
G
± %3.3 20
± %53 25
1.35 1.05
CDH38D16DLDHF-4R7MC
J
± %4.7 20
± %73 25
1.15
0.90
CDH38D16DLDHF-6R8MC
L
± %6.8 20
± %108 20
0.95
0.75
CDH38D16DLDHF-100MC
N
± %10 20
± %157 20
0.76
0.60
CDH38D16DLDHF-150MC
Q
± %15 20
± %250 20
0.64
0.50
CDH38D16DLDHF-220MC
S
± %22 20
± %340 20
0.52
0.42
CDH38D16DLDHF-330MC
U
± %33 20
± %540 20
0.42
0.34
※1. Measuring condition: at 100kHz. ※2. Saturation current: The value of D.C. current when the inductance decreases to 70% of it’s nominal value. ※ △ = ℃ = ℃3. Temperature rise current: The value of D.C. current when the temperature rise is t 40 (Ta 20 ).
A ※Temperature rise
current ( ) 3
3.12 2.90 2.70 2.20 1.85 1.52 1.26 1.02 0.78 0.64
Page 2 of 4
Revised: 19-Dec-13
SMD Power Inductor CDH38D16D/LD
Saturation Current & Temperature Rise Graph
℃L (20 )
℃L (105 )
△T
1. CDH38D16DLDHF-1R0MC
μ △ ℃L ( H)
T( )
1.2 60
μ △ ℃2. CDH38D16DLDHF-1R7MC
L ( H)
T( )
1.8 60
1.0 50 1.5 50
0.8 40 1.2 40
0.6 30 0.9 30
0.4 20 0.6 20
0.2 10 0.3 10
0.0 0
0.0 0.6 1.2 1.8 2.4 3.0 3.6 DC (A)
4. CDH38D16DLDHF-3R3MC
μ △ ℃L ( H)
T( )
4.8 60
0.0 0
0.0 0.5 1.0 1.5 2.0 2.5 3.0
DC (A)
μ △ ℃5. CDH38D16DLDHF-4R7MC
L ( H)
T( )
6 60
4.0 50 5
50
3.2 40 4
40
2.4 30 3
30
1.6 20 2
20
0.8 10 1
10
0.0 0
0.0 0.4 0.8 1.2 1.6 2.0 2.4
DC (A)
7. CDH38D16DLDHF-100MC
μ △ ℃L ( H)
T( )
12 60
00
0.0 0.4 0.8 1.2 1.6 2.0 DC (A)
μ △ ℃8. CDH38D16DLDHF-150MC
L ( H)
T( )
18 60
10 50 15 50
8 40 12 40
6 30 9 30
4 20 6 20
2 10 3 10
00
0.0 0.3 0.6 0.9 1.2 1.5
DC (A)
10. CDH38D16DLDHF-330MC
μ △ ℃L ( H)
T( )
36 60
00 0.0 0.2 0.4 0.6 0.8 1.0 1.2 DC (A)
30 50
24 40
18 30
12 20
6 10
0 0.0
0.2 0.4 0.6 DC (A)
0 0.8
Page 3 of 4
μ △ ℃3. CDH38D16DLDHF-2R0MC
L ( H)
T( )
2.4 60
2.0 50
1.6 40
1.2 30
0.8 20
0.4 10
0.0 0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 DC (A)
μ △ ℃6. CDH38D16DLDHF-6R8MC
L ( H)
T( )
9.0 60
7.5 50
6.0 40
4.5 30
3.0 20
1.5 10
0.0 0
0.0 0.4 0.8 1.2 1.6
DC (A)
μ △ ℃9. CDH38D16DLDHF-220MC
L ( H)
T( )
24 60
20 50
16 40
12 30
8 20
4 10
0 0.0
0.2 0.4 0.6 DC (A)
0 0.8
Revised: 19-Dec-13
SMD Power Inductor CDH38D16D/LD
Solder Reflow Condition
T (℃) 300 250
200
150
100
50 0
0
Heat Endurance 60 120 180
260℃
10 60
230℃
240 300 T (s)
T (℃) 300 250
200 150
100
50 0
0
Temperature Chart
± ℃170 10 ,60~120s
245℃ PEAK
℃230
40s
60 120 180 240 300 T (s)
Please refer to the sales offices on our website - http://www.sumida.com
Hong Kong
Tel.+852-2880-6781 FAX.+852-2565-9600
[email protected]
Saitama(Japan)
Tel.+81-48-691-7300 FAX.+81-48-691-7340
[email protected]
Chicago
Tel.+1-847-545-6700 FAX. +1-847-545-6720
[email protected]
Shanghai
Shenzhen
Tel.+86-21-5836-3299
Tel.+86-755-8291-0228
FAX.+86-21-5836-3266
FAX.+86-755-8291-0338
[email protected] [email protected]
Seoul
Singapore
Tel.+82-2-6237-0777
Tel.+65-6296-3388
FAX.+82-2-6237-0778
FAX.+65-6841-4426
[email protected]
[email protected]
Obernzell
Neumarkt
Tel.+49-8591-937-0
Tel.+49-9181-4509-110
FAX. +49-8591-937-103
FAX. +49-9181-4509-310
[email protected]
[email protected]
Page 4 of 4
Taipei
Tel.+886-2-8751-2737 FAX.+886-2-8751-2738
[email protected]
San Jose
Tel.+1-408-321-9660 FAX.+1-408-321-9308
[email protected]
Revised: 19-Dec-13
.