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
Dimension - [mm]
70 03
. ±.
35 05
. ±.
70
.
φ7.8±0.3
Environmental Data
• Operating temperature range: -30℃½+100℃
(including coil’s self temperature rise)
• Storage temperature range: -30℃½+100℃
• Solder reflow temperature: 260
℃
peak.
2.1
φ7.8
Packaging
• Carrier tape and reel packaging.
• 12.9”diameter reel
• 1000pcs per reel
Applications
• Ideally used in PDA,MP3,DSC/DVC,HDD,
Portable DVD, etc as DC-DC converter
inductors.
Land pattern and Schematics - [mm]
7.5
PR O
AT F
EETOE
LCRD
R10
.
PR O SLE RSS PITN
AT F ODR EIT RNIG
2.0
8.0
Page 1 of 5
Revised: 6-Jan-17
SMD Power Inductor
CD73
Electrical Characteristics
Part Name
CD73NP-100MC
CD73NP-120MC
CD73NP-150MC
CD73NP-180MC
CD73NP-220MC
CD73NP-270MC
CD73NP-330MC
CD73NP-390MC
CD73NP-470MC
CD73NP-560KC
CD73NP-680KC
CD73NP-820KC
CD73NP-101KC
CD73NP-121KC
CD73NP-151KC
CD73NP-181KC
CD73NP-221KC
CD73NP-271KC
CD73NP-331KC
Stamp
100M
120M
150M
180M
220M
270M
330M
390M
470M
560K
680K
820K
101K
121K
151K
181K
221K
271K
331K
Inductance
(μH)
[ within ]
※1
10±20%
12±20%
15±20%
18±20%
22±20%
27±20%
33±20%
39±20%
47±20%
56±10%
68±10%
82±10%
100±10%
120±10%
150±10%
180±10%
220±10%
270±10%
330±10%
D.C.R. (mΩ)
[Max.] (TYP.)
(at 20℃)
80.3(61.8)
89.7(69.0)
104(80.3)
111(85.0)
129(99.2)
153(118)
170(131)
217(167)
252(194)
282(217)
332(255)
406(312)
481(370)
536(412)
755(581)
1022(786)
1200(923)
1306(1045)
1495(1196)
Rated Current
(A)
※2
1.44
1.39
1.24
1.12
1.07
0.94
0.85
0.74
0.68
0.64
0.59
0.54
0.51
0.49
0.40
0.36
0.31
0.29
0.28
※1:
Inductance measuring frequency: 10μH
½
82μH；at 2.52 MHz.
100μH
½330μH；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℃)
L (μH)
△T
2. CD73NP-120MC
△T
(℃)
L (μH)
3. CD73NP-150MC
△T
(℃)
12
10
8
6
4
2
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0
DC (A)
L (μH)
4. CD73NP-180MC
60
50
40
30
20
10
0
18
15
12
9
6
3
0
0.0
L (μH)
60
50
40
30
20
10
0
0.5
1.0 1.5
DC (A)
2.0
2.5
△T
(℃)
18
15
12
9
6
3
0
0.0
L (μH)
60
50
40
30
20
10
0
0.5
1.0 1.5
DC (A)
2.0
2.5
△T
(℃)
△T
(℃)
5. CD73NP-220MC
6. CD73NP-270MC
24
20
16
12
8
4
0
0.0
L (μH)
60
50
40
30
20
10
0
0.5
1.0 1.5
DC (A)
2.0
2.5
30
25
20
15
10
5
0
0.0
L (μH)
60
50
40
30
20
10
0
0.4
0.8 1.2
DC (A)
1.6
2.0
30
25
20
15
10
5
0
0.0
L (μH)
60
50
40
30
20
10
0
0.4
0.8 1.2
DC (A)
1.6
2.0
7. CD73NP-330MC
△T
(℃)
8. CD73NP-390MC
△T
(℃)
9. CD73NP-470MC
△T
(℃)
36
30
24
18
12
6
0
0.0
L (μH)
60
50
40
30
20
10
0
0.4
0.8 1.2
DC (A)
1.6
2.0
△T
(℃)
48
40
32
24
16
8
0
0.0 0.3 0.6 0.9 1.2 1.5 1.8
DC (A)
L (μH)
11. CD73NP-680KC
60
50
40
30
20
10
0
60
50
40
30
20
10
0
0.0
L (μH)
60
50
40
30
20
10
0
0.4
0.8
1.2
DC (A)
1.6
△T
(℃)
10. CD73NP-560KC
△T
(℃)
12. CD73NP-820KC
90
75
60
45
30
15
0
0.0
0.3
0.6
0.9
1.2
1.5
60
50
40
30
20
10
0
90
75
60
45
30
15
0
0.0
0.3
0.6
0.9
1.2
1.5
60
50
40
30
20
10
0
120
100
80
60
40
20
0
0.0 0.2 0.4 0.6 0.8 1.0 1.2
60
50
40
30
20
10
0
DC (A)
DC (A)
DC (A)
Page 3 of 5
Revised: 6-Jan-17
SMD Power Inductor
CD73
Saturation Current & Temperature Rise Graph
L (25℃)
L (μH)
13. CD73NP-101KC
△T
(℃)
L (105℃)
L (μH)
△T
14. CD73NP-121KC
△T
(℃)
L (μH)
15. CD73NP-151KC
△T
(℃)
120
100
80
60
40
20
0
0.0 0.2 0.4 0.6 0.8 1.0 1.2
60
50
40
30
20
10
0
120
100
80
60
40
20
0
0.0 0.2 0.4 0.6 0.8 1.0 1.2
60
50
40
30
20
10
0
180
150
120
90
60
30
0
0.0
L (μH)
60
50
40
30
20
10
0
0.2
0.4
0.6
0.8
1.0
△T
(℃)
DC (A)
L (μH)
16. CD73NP-181KC
△T
(℃)
L (μH)
DC (A)
17. CD73NP-221KC
△T
(℃)
DC (A)
18. CD73NP-271KC
240
200
160
120
80
40
0
0.0
L (μH)
60
50
40
30
20
10
0
0.2
0.4
0.6
0.8
△T
(℃)
300
250
200
150
100
50
0
0.0
0.2
0.4
0.6
0.8
60
50
40
30
20
10
0
300
250
200
150
100
50
0
0.0
0.2
0.4
0.6
DC (A)
0.8
60
50
40
30
20
10
0
DC (A)
19. CD73NP-331KC
DC (A)
360
300
240
180
120
60
0
0.0 0.1 0.2 0.3 0.4 0.5 0.6
DC (A)
60
50
40
30
20
10
0
Page 4 of 5
Revised: 6-Jan-17
SMD Power Inductor
CD73
Solder Reflow Condition
T (℃)
300
250
200
150
100
50
0
0
60
120
180
240
300
T (s)
Heat Endurance
260℃
230℃
10
60
T (℃)
300
250
200
150
100
50
0
0
60
120
180
240
300 T (s)
170±10
℃,60~120s
Temperature Chart
245℃ PEAK
230℃
40s
Please refer to the sales offices on our website -
http://www.sumida.com
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Tel.+852-2880-6781
FAX.+852-2565-9600
sales@hk.sumida.com
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Tel.+886-2-8751-2737
FAX.+886-2-8751-2738
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Tel.+81-48-691-7300
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FAX.+82-2-6237-0778
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Page 5 of 5
Revised: 6-Jan-17
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