SMD Power Inductor
CDRH3D28/LD
Description
• Ferrite drum core construction.
• Magnetically shielded.
• L×W×H:4.0×4.0×3.0 mm Max.
• Product weight:130mg (Ref.)
• Moisture Sensitivity Level: 1
• RoHS compliance.
Environmental Data
• Operating temperature range: -40℃~+105℃
(including coil’s self temperature rise)
• Storage temperature range: -40℃½+105℃
• Solder reflow temperature: 260
℃
peak.
Packaging
• Carrier tape and reel packaging
• 7.0”diameter reel
• 500pcs per reel
Applications
• Ideally used in Mobilephone,PDA,MP3,
DSC/DVC, Portable DVD, etc. as DC-DC
converter inductors.
RoHS
Dimension - [mm]
Electrode
Land pattern and Schematics - [mm]
1.
5
2
5.
4
2.
4
1.
1
1
2
(10μH½56μH)
2
(68μH½220μH)
Page 1 of 4
Revised: 9-Jan-17
SMD Power Inductor
CDRH3D28/LD
Electrical Characteristics
Part Name
Stamp
Inductance
(μH)
[within]
※1
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%
220±30%
D.C.R .(mΩ)
Max. (Typ.)
(at 20℃)
95(73)
100(80)
115(90)
125(100)
145(117)
175(140)
215(170)
225(180)
305(245)
325(260)
470(375)
540(430)
610(485)
755(605)
880(705)
1130(905)
1270(1015)
Saturation Current
(A)※2
at 20℃
0.50
0.45
0.40
0.35
0.33
0.29
0.28
0.25
0.23
0.20
0.185
0.172
0.160
0.136
0.124
0.119
0.116
at 105℃
0.43
0.38
0.33
0.30
0.28
0.26
0.23
0.21
0.19
0.17
0.156
0.142
0.128
0.116
0.106
0.095
0.087
Temperature
Rise Current
(A)
※3
1.52
1.48
1.44
1.37
1.28
1.18
1.15
1.00
0.81
0.76
0.60
0.58
0.52
0.50
0.48
0.42
0.36
CDRH3D28/LDNP-100NC
CDRH3D28/LDNP-120NC
CDRH3D28/LDNP-150NC
CDRH3D28/LDNP-180NC
CDRH3D28/LDNP-220NC
CDRH3D28/LDNP-270NC
CDRH3D28/LDNP-330NC
CDRH3D28/LDNP-390NC
CDRH3D28/LDNP-470NC
CDRH3D28/LDNP-560NC
CDRH3D28/LDNP-680NC
CDRH3D28/LDNP-820NC
CDRH3D28/LDNP-101NC
CDRH3D28/LDNP-121NC
CDRH3D28/LDNP-151NC
CDRH3D28/LDNP-181NC
CDRH3D28/LDNP-221NC
A
B
C
D
E
F
G
H
J
K
L
M
N
P
Q
R
S
※1.
Inductance measuring condition: at 100kHz.
※2.
Saturation current: The value of D.C. current when the inductance decreases to 65% 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 2 of 4
Revised: 9-Jan-17
SMD Power Inductor
CDRH3D28/LD
Saturation Current & Temperature Rise Graph
L (20℃)
L (μH)
1. CDRH3D28/LDNP-100NC
△T
(℃)
L (100℃)
L (μH)
△T
△T
(℃)
3. CDRH3D28/LDNP-150NC
L (μH)
△T
(℃)
2. CDRH3D28/LDNP-120NC
12
10
8
6
4
2
0
0.0
0.4
0.8
1.2
DC (A)
1.6
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
0.3
0.6 0.9
DC (A)
1.2
1.5
△T
(℃)
18
15
12
9
6
3
0
0.0
L (μH)
60
50
40
30
20
10
0
0.3
0.6 0.9
DC (A)
1.2
1.5
△T
(℃)
4. CDRH3D28/LDNP-180NC
L (μH)
△T
(℃)
5. CDRH3D28/LDNP-220NC
6. CDRH3D28/LDNP-270NC
24
20
16
12
8
4
0
0.0
0.3
0.6 0.9
DC (A)
1.2
1.5
60
50
40
30
20
10
0
24
20
16
12
8
4
0
0.0
0.3
0.6 0.9
DC (A)
1.2
1.5
60
50
40
30
20
10
0
30
25
20
15
10
5
0
0.0 0.2 0.4 0.6 0.8 1.0 1.2
DC (A)
L (μH)
9. CDRH3D28/LDNP-470NC
60
50
40
30
20
10
0
7. CDRH3D28/LDNP-330NC
L (μH)
△T
(℃)
L (μH)
8. CDRH3D28/LDNP-390NC
△T
(℃)
△T
(℃)
48
40
32
24
16
8
0
0.0 0.2 0.4 0.6 0.8 1.0 1.2
DC (A)
60
50
40
30
20
10
0
48
40
32
24
16
8
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
0.2
0.4
0.6
DC (A)
0.8
60
50
40
30
20
10
0
10. CDRH3D28/LDNP-560NC
L (μH)
△T
(℃)
L (μH)
11. CDRH3D28/LDNP-680NC
△T
(℃)
L (μH)
12. CDRH3D28/LDNP-820NC
△T
(℃)
60
50
40
30
20
10
0
0.0
0.2
0.4
0.6
DC (A)
0.8
60
50
40
30
20
10
0
90
75
60
45
30
15
0
0.0 0.1 0.2 0.3 0.4 0.5 0.6
DC (A)
60
50
40
30
20
10
0
120
100
80
60
40
20
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 3 of 4
Revised: 9-Jan-17
SMD Power Inductor
CDRH3D28/LD
Saturation Current & Temperature Rise Graph
L (20℃)
L (μH)
13. CDRH3D28/LDNP-101NC
△T
(℃)
L (100℃)
L (μH)
△T
15. CDRH3D28/LDNP-151NC
L (μH)
△T
(℃)
14. CDRH3D28/LDNP-121NC
△T
(℃)
120
100
80
60
40
20
0
0.0 0.1 0.2 0.3 0.4 0.5 0.6
DC (A)
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
0.1
0.2 0.3
DC (A)
0.4
0.5
180
150
120
90
60
30
0
0.0
0.1
0.2 0.3
DC (A)
0.4
0.5
60
50
40
30
20
10
0
16. CDRH3D28/LDNP-181NC
L (μH)
△T
(℃)
17. CDRH3D28/LDNP-221NC
△T
(℃)
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
240
200
160
120
80
40
0
0.0
0.1
0.2
DC (A)
0.3
0.4
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 4 of 4
Revised: 9-Jan-17