SMD Power Inductor
CD73
Description
• Ferrite drum core construction.
• Magnetically unshielded.
• L×W×H: 8.1×7.3×4.0mm Max.
• Product weight:0.5g(Ref.)
• Moisture Sensitivity Level: 1
• RoHS compliance.
RoHS
Environmental Data
• Operating temperature range: -30℃~+100℃
(including coil’s self temperature rise)
• Storage temperature range: -30℃~+100℃
• Solder reflow temperature: 260 ℃ peak.
Dimension - [mm]
3.5±
0.5
7.0
2.1
φ7.8
φ7.8±0.3
7.0±
0.3
Applications
• Ideally used in PDA,MP3,DSC/DVC,HDD,
Portable DVD, etc as DC-DC converter
inductors.
Land pattern and Schematics - [mm]
7.5
2.0
8.0
PART OF
ELECTRODE
Packaging
• Carrier tape and reel packaging.
• 12.9”diameter reel
• 1000pcs per reel
R 1.0
PART OF SOLDER RESIST PRINTING
Page 1 of 5
Revised: 6-Jan-17
SMD Power Inductor
CD73
Electrical Characteristics
Part Name
Stamp
Inductance
(μH)
[ within ] ※1
D.C.R. (mΩ)
[Max.] (TYP.)
(at 20℃)
Rated Current
(A) ※2
CD73NP-100MC
100M
10±20%
80.3(61.8)
1.44
CD73NP-120MC
120M
12±20%
89.7(69.0)
1.39
CD73NP-150MC
150M
15±20%
104(80.3)
1.24
CD73NP-180MC
180M
18±20%
111(85.0)
1.12
CD73NP-220MC
220M
22±20%
129(99.2)
1.07
CD73NP-270MC
270M
27±20%
153(118)
0.94
CD73NP-330MC
330M
33±20%
170(131)
0.85
CD73NP-390MC
390M
39±20%
217(167)
0.74
CD73NP-470MC
470M
47±20%
252(194)
0.68
CD73NP-560KC
560K
56±10%
282(217)
0.64
CD73NP-680KC
680K
68±10%
332(255)
0.59
CD73NP-820KC
820K
82±10%
406(312)
0.54
CD73NP-101KC
101K
100±10%
481(370)
0.51
CD73NP-121KC
121K
120±10%
536(412)
0.49
CD73NP-151KC
151K
150±10%
755(581)
0.40
CD73NP-181KC
181K
180±10%
1022(786)
0.36
CD73NP-221KC
221K
220±10%
1200(923)
0.31
CD73NP-271KC
271K
270±10%
1306(1045)
0.29
CD73NP-331KC
331K
330±10%
1495(1196)
0.28
※1: Inductance measuring frequency: 10μH ~ 82μH;at 2.52 MHz.
100μH ~330μH;at1 kHz.
※2: Rated current: The DC current at which the inductance decreases to 90 % of it’s initial value or when △t=40℃,
whichever is lower (Ta=20℃).
Page 2 of 5
Revised: 6-Jan-17
SMD Power Inductor
CD73
Saturation Current & Temperature Rise Graph
L (25℃)
L (μH)
1. CD73NP-100MC
△T
L (105℃)
△T (℃)
L (μH)
2. CD73NP-120MC
△T (℃)
L (μH)
3. CD73NP-150MC
△T (℃)
12
60
18
60
18
60
10
50
15
50
15
50
8
40
12
40
12
40
6
30
9
30
9
30
4
20
6
20
6
20
2
10
3
10
3
10
0
0
0
0
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0
DC (A)
L (μH)
4. CD73NP-180MC
0.0
△T (℃)
L (μH)
0.5
1.0 1.5
DC (A)
2.0
5. CD73NP-220MC
2.5
0
0.0
△T (℃)
L (μH)
0.5
1.0 1.5
DC (A)
2.0
6. CD73NP-270MC
2.5
△T (℃)
24
60
30
60
30
60
20
50
25
50
25
50
16
40
20
40
20
40
12
30
15
30
15
30
8
20
10
20
10
20
4
10
5
10
5
10
0
0
0
0
0
0.0
L (μH)
0.5
1.0 1.5
DC (A)
2.0
7. CD73NP-330MC
2.5
0.0
△T (℃)
L (μH)
0.4
0.8 1.2
DC (A)
1.6
8. CD73NP-390MC
2.0
0
0.0
△T (℃)
L (μH)
0.4
0.8 1.2
DC (A)
1.6
9. CD73NP-470MC
2.0
△T (℃)
36
60
48
60
60
60
30
50
40
50
50
50
24
40
32
40
40
40
18
30
24
30
30
30
12
20
16
20
20
20
6
10
8
10
10
10
0
0
0
0
0
0.0
L (μH)
0.4
0.8 1.2
DC (A)
1.6
10. CD73NP-560KC
2.0
0.0 0.3 0.6 0.9 1.2 1.5 1.8
DC (A)
△T (℃)
L (μH)
11. CD73NP-680KC
0
0.0
△T (℃)
L (μH)
0.4
0.8
1.2
DC (A)
12. CD73NP-820KC
1.6
△T (℃)
90
60
90
60
120
60
75
50
75
50
100
50
60
40
60
40
80
40
45
30
45
30
60
30
30
20
30
20
40
20
15
10
15
10
20
10
0
0
0
0
0
0.0
0.3
0.6
DC (A)
0.9
1.2
1.5
0.0
0.3
0.6
0.9
DC (A)
Page 3 of 5
1.2
1.5
0
0.0 0.2 0.4 0.6 0.8 1.0 1.2
DC (A)
Revised: 6-Jan-17
SMD Power Inductor
CD73
Saturation Current & Temperature Rise Graph
L (25℃)
L (μH)
13. CD73NP-101KC
△T
L (105℃)
△T (℃)
L (μH)
14. CD73NP-121KC
△T (℃)
L (μH)
15. CD73NP-151KC
△T (℃)
120
60
120
60
180
60
100
50
100
50
150
50
80
40
80
40
120
40
60
30
60
30
90
30
40
20
40
20
60
20
20
10
20
10
30
10
0
0
0
0
0
0.0 0.2 0.4 0.6 0.8 1.0 1.2
0.0 0.2 0.4 0.6 0.8 1.0 1.2
DC (A)
L (μH)
0
0.0
0.2
△T (℃)
L (μH)
0.6
0.8
1.0
DC (A)
DC (A)
16. CD73NP-181KC
0.4
17. CD73NP-221KC
△T (℃)
L (μH)
18. CD73NP-271KC
△T (℃)
240
60
300
60
300
60
200
50
250
50
250
50
160
40
200
40
200
40
120
30
150
30
150
30
80
20
100
20
100
20
40
10
50
10
50
10
0
0
0
0
0
0
0.0
0.2
0.4
0.6
0.8
0.0
DC (A)
L (μH)
19. CD73NP-331KC
0.2
0.4
DC (A)
0.6
0.8
0.0
0.2
0.4
0.6
DC (A)
△T (℃)
360
60
300
50
240
40
180
30
120
20
60
10
0
0
0.0 0.1 0.2 0.3 0.4 0.5 0.6
DC (A)
Page 4 of 5
Revised: 6-Jan-17
0.8
SMD Power Inductor
CD73
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 5 of 5
Revised: 6-Jan-17
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