SMD Power Inductor
CDRH4D28
Description
• Ferrite drum core construction.
• Magnetically shielded.
• L×W×H:5.0×5.0×3.0 mm Max.
• Product weight: 0.2g(Ref.)
• Moisture Sensitivity Level: 1
• RoHS compliance.
Environmental Data
• Operating temperature range: -40℃~+100℃
(including coil’s self temperature rise)
• Storage temperature range: -40℃½+100℃
• Solder reflow temperature: 260
℃
peak.
Packaging
• Carrier tape and reel packaging
• 12.9”diameter reel
• 2000pcs per reel
Applications
• Ideally used in Mobile phone,PDA,MP3,HDD,
DSC/DVC, Note book PC, etc as DC-DC
converter inductors.
RoHS
Dimension - [mm]
45
.
①
※ 4.7±0.3
4.5
1.5
②
※ 47 03
. ±.
(.)
28
MX30
A..
EETOETRIA
LCRD EMNL
Land pattern and Schematics - [mm]
53
.
1.9
1.5
1.9
①
①
②
( 1.2μH½8.2μH )
②
( 10μH½180μH )
Page 1 of 5
MA
X.
6.
9
Revised: 9-Jan-17
SMD Power Inductor
CDRH4D28
Electrical Characteristics
Part No.
CDRH4D28NP-1R2NC
CDRH4D28NP-1R8NC
CDRH4D28NP-2R2NC
CDRH4D28NP-2R7NC
CDRH4D28NP-3R3NC
CDRH4D28NP-3R9NC
CDRH4D28NP-4R7NC
CDRH4D28NP-5R6NC
CDRH4D28NP-6R8NC
CDRH4D28NP-8R2NC
CDRH4D28NP-100NC
CDRH4D28NP-120NC
CDRH4D28NP-150NC
CDRH4D28NP-180NC
CDRH4D28NP-220NC
CDRH4D28NP-270NC
CDRH4D28NP-330NC
CDRH4D28NP-390NC
CDRH4D28NP-470NC
CDRH4D28NP-560NC
CDRH4D28NP-680NC
CDRH4D28NP-820NC
CDRH4D28NP-101NC
CDRH4D28NP-121NC
CDRH4D28NP-151NC
CDRH4D28NP-181NC
Stamp
1R2
1R8
2R2
2R7
3R3
3R9
4R7
5R6
6R8
8R2
100
120
150
180
220
270
330
390
470
560
680
820
101
121
151
181
Inductance
(μH)
[ within ]
※1
1.2±30%
1.8±30%
2.2±30%
2.7±30%
3.3±30%
3.9±30%
4.7±30%
5.6±30%
6.8±30%
8.2±30%
10±30%
12±30%
15±30%
18±30%
22±30%
27±30%
33±30%
39±30%
47±30%
56±30%
68±30%
82±30%
100±30%
120±30%
150±30%
180±30%
D.C.R.(Ω)
Max. (Typ.)
(at 20℃)
23.6m(17.5m)
27.5m(20.4m)
31.3m(23.2m)
43.3m(32.1m)
49.2m(36.4m)
64.8m(48.0m)
72.0m(53.3m)
100.9m(74.7m)
108.9m(80.7m)
117.5m(87.0m)
128.3m(95.0m)
131.6m(97.5m)
149.0m(110.4m)
166.0m(123.0m)
235.0m(174.5m)
261.0m(193.3m)
331.3m(254.8m)
383.7m(284.2m)
587.0m(435.0m)
624.5m(462.6m)
699.0m(517.8m)
914.8m(677.6m)
1.02(765.8m)
1.27(976.8m)
1.35(1.08)
1.54(1.23)
Rated Current
(A)
※2
2.56
2.20
2.04
1.60
1.57
1.44
1.32
1.17
1.12
1.04
1.00
0.84
0.76
0.72
0.70
0.58
0.56
0.50
0.48
0.41
0.35
0.32
0.29
0.27
0.24
0.22
※1.
Inductance measuring condition: at 100kHz.
※2.
Rated current: The DC current at which the inductance decreases to 65% of its nominal value or when
△t=40℃,
whichever is lower (Ta=20℃).
Page 2 of 5
Revised: 9-Jan-17
SMD Power Inductor
CDRH4D28
Saturation Current & Temperature Rise Graph
L (20℃)
L (μH)
1. CDRH4D28NP-1R2NC
△T
(℃)
L (100℃)
L (μH)
△T
△T
(℃)
3. CDRH4D28NP-2R2NC
L (μH)
△T
(℃)
2. CDRH4D28NP-1R8NC
1.8
1.5
1.2
0.9
0.6
0.3
0.0
0
1
2
3
4
DC (A)
5
6
60
50
40
30
20
10
0
1.8
1.5
1.2
0.9
0.6
0.3
0.0
0
L (μH)
60
50
40
30
20
10
0
1
2
3
DC (A)
4
5
△T
(℃)
2.4
2.0
1.6
1.2
0.8
0.4
0.0
0
L (μH)
60
50
40
30
20
10
0
1
2
3
DC (A)
4
5
△T
(℃)
4. CDRH4D28NP-2R7NC
L (μH)
△T
(℃)
5. CDRH4D28NP-3R3NC
6. CDRH4D28NP-3R9NC
3.6
3.0
2.4
1.8
1.2
0.6
0.0
0
L (μH)
60
50
40
30
20
10
0
1
2
DC (A)
3
4
△T
(℃)
3.6
3.0
2.4
1.8
1.2
0.6
0.0
0.0
0.8
1.6
DC (A)
2.4
3.2
60
50
40
30
20
10
0
4.8
4.0
3.2
2.4
1.6
0.8
0.0
0.0
L (μH)
60
50
40
30
20
10
0
0.8
1.6
DC (A)
2.4
3.2
△T
(℃)
7. CDRH4D28NP-4R7NC
8. CDRH4D28NP-5R6NC
L (μH)
△T
(℃)
9. CDRH4D28NP-6R8NC
6
5
4
3
2
1
0
0.0 0.5
L (μH)
60
50
40
30
20
10
0
1.0 1.5 2.0
DC (A)
2.5 3.0
△T
(℃)
9.0
7.5
6.0
4.5
3.0
1.5
0.0
0.0 0.4 0.8 1.2 1.6 2.0 2.4
DC (A)
11. CDRH4D28NP-100NC
L (μH)
60
50
40
30
20
10
0
9.0
7.5
6.0
4.5
3.0
1.5
0.0
0.0 0.4 0.8 1.2 1.6 2.0 2.4
DC (A)
L (μH)
12. CDRH4D28NP-120NC
60
50
40
30
20
10
0
10. CDRH4D28NP-8R2NC
△T
(℃)
△T
(℃)
9.0
7.5
6.0
4.5
3.0
1.5
0.0
0.0
0.4
0.8 1.2
DC (A)
1.6
2.0
60
50
40
30
20
10
0
12
10
8
6
4
2
0
0.0 0.3 0.6 0.9 1.2 1.5 1.8
DC (A)
60
50
40
30
20
10
0
18
15
12
9
6
3
0
0.0 0.3 0.6 0.9 1.2 1.5 1.8
DC (A)
60
50
40
30
20
10
0
Page 3 of 5
Revised: 9-Jan-17
SMD Power Inductor
CDRH4D28
Saturation Current & Temperature Rise Graph
L (20℃)
13. CDRH4D28NP-150NC
L (μH)
△T
(℃)
L (100℃)
L (μH)
△T
14. CDRH4D28NP-180NC
△T
(℃)
L (μH)
15. CDRH4D28NP-220NC
△T
(℃)
18
15
12
9
6
3
0
0.0 0.3 0.6 0.9 1.2 1.5 1.8
60
50
40
30
20
10
0
24
20
16
12
8
4
0
0.0
L (μH)
60
50
40
30
20
10
0
0.4
0.8
1.2
1.6
△T
(℃)
30
25
20
15
10
5
0
0.0
L (μH)
60
50
40
30
20
10
0
0.3
0.6
0.9
1.2
1.5
△T
(℃)
DC (A)
16. CDRH4D28NP-270NC
L (μH)
△T
(℃)
DC (A)
17. CDRH4D28NP-330NC
DC (A)
18. CDRH4D28NP-390NC
30
25
20
15
10
5
0
0.0
0.3
0.6
0.9
1.2
1.5
60
50
40
30
20
10
0
36
30
24
18
12
6
0
0.0 0.2 0.4 0.6 0.8 1.0 1.2
DC (A)
L (μH)
20. CDRH4D28NP-560NC
60
50
40
30
20
10
0
48
40
32
24
16
8
0
0.0 0.2 0.4 0.6 0.8 1.0 1.2
DC (A)
L (μH)
21. CDRH4D28NP-680NC
60
50
40
30
20
10
0
DC (A)
19. CDRH4D28NP-470NC
L (μH)
△T
(℃)
△T
(℃)
△T
(℃)
60
50
40
30
20
10
0
0.0
0.2
0.4 0.6
DC (A)
0.8
1.0
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
0.2
0.4 0.6
DC (A)
0.8
1.0
△T
(℃)
90
75
60
45
30
15
0
0.0
L (μH)
60
50
40
30
20
10
0
0.2
0.4 0.6
DC (A)
0.8
1.0
△T
(℃)
22. CDRH4D28NP-820NC
L (μH)
△T
(℃)
23. CDRH4D28NP-101NC
24. CDRH4D28NP-121NC
120
100
80
60
40
20
0
0.0
0.2
0.4
DC (A)
0.6
0.8
60
50
40
30
20
10
0
120
100
80
60
40
20
0
0.0
0.2
0.4
0.6
DC (A)
0.8
60
50
40
30
20
10
0
180
150
120
90
60
30
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: 9-Jan-17
SMD Power Inductor
CDRH4D28
Saturation Current & Temperature Rise Graph
L (20℃)
25. CDRH4D28NP-151NC
L (μH)
△T
(℃)
L (100℃)
L (μH)
△T
26. CDRH4D28NP-181NC
△T
(℃)
180
150
120
90
60
30
0
0.0 0.1 0.2 0.3 0.4 0.5 0.6
DC (A)
60
50
40
30
20
10
0
240
200
160
120
80
40
0
0.0
0.1
0.2 0.3
DC (A)
0.4
0.5
60
50
40
30
20
10
0
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
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Page 5 of 5
Revised: 9-Jan-17
