SMD Power Inductor
CDH73
Description
• Ferrite drum core construction.
• Magnetically unshielded.
• L×W×H: 8.0×7.3×3.3 mm Max.
• Product weight: 0.45g(Ref.)
• Moisture Sensitivity Level: 1
• RoHS compliance.
RoHS
Dimension - [mm]
MX73
A..
MX33
A..
02
.
20 02
. ±.
Environmental Data
• Operating temperature range: -40℃½+100℃
(including coil’s self temperature rise)
• Storage temperature range: -40℃½+100℃
• Solder reflow temperature: 260
℃
peak.
7.6±0.2
5.8
MAX.8.0
EETOE
LCRD
Packaging
• Carrier tape and reel packaging.
• 13.0”diameter reel
• 1000pcs per reel
Applications
• Ideally used in PDA,DVD,HDD, DVC, Game
machine, Notebook PC, etc as DC-DC
converter inductor.
Land pattern and Schematics - [mm]
2.4
1.5
5.4
DIMENSION OF CDH73
PART OF SILK SCREEN
8.4
Page 1 of 5
Revised: 6-Jan-17
SMD Power Inductor
CDH73
Electrical Characteristics
Part Name
CDH73NP-100MC
CDH73NP-120MC
CDH73NP-150LC
CDH73NP-180LC
CDH73NP-220LC
CDH73NP-270LC
CDH73NP-330KC
CDH73NP-390KC
CDH73NP-470KC
CDH73NP-560KC
CDH73NP-680KC
CDH73NP-820KC
CDH73NP-101KC
CDH73NP-121KC
CDH73NP-151KC
CDH73NP-181KC
CDH73NP-221KC
Stamp
100
120
150
180
220
270
330
390
470
560
680
820
101
121
151
181
221
Inductance
( µH )
[ within ]
※1
10±20%
12±20%
15±15%
18±15%
22±15%
27±15%
33±10%
39±10%
47±10%
56±10%
68±10%
82±10%
100±10%
120±10%
150±10%
180±10%
220±10%
D.C.R.(Ω)
Max. (Typ.)
(at 20℃)
77m (59m)
92m (71m)
0.11(87m)
0.13(0.10)
0.18(0.14)
0.21(0.16)
0.24(0.19)
0.28(0.21)
0.35(0.27)
0.40(0.31)
0.51(0.39)
0.60(0.46)
0.70(0.54)
0.89(0.69)
1.04(0.80)
1.22(0.94)
1.63(1.30)
Rated Current
(A)
※2
1.20
1.05
1.00
0.90
0.81
0.75
0.66
0.59
0.56
0.51
0.47
0.41
0.37
0.35
0.31
0.28
0.26
※1.
Inductance measuring condition : at 1kHz
※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
CDH73
Saturation Current & Temperature Rise Graph
L (20℃)
L (μH)
1. CDH73NP-100MC
△T
(℃)
L (100℃)
L (μH)
△T
2. CDH73NP-120MC
△T
(℃)
L (μH)
3. CDH73NP-150LC
△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. CDH73NP-180LC
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
0.4
0.8 1.2
DC (A)
1.6
2.0
△T
(℃)
△T
(℃)
5. CDH73NP-220LC
6. CDH73NP-270LC
24
20
16
12
8
4
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
(℃)
30
25
20
15
10
5
0
0.0 0.3 0.6 0.9 1.2 1.5 1.8
DC (A)
L (μH)
8. CDH73NP-390KC
60
50
40
30
20
10
0
30
25
20
15
10
5
0
0.0 0.3 0.6 0.9 1.2 1.5 1.8
DC (A)
L (μH)
9. CDH73NP-470KC
60
50
40
30
20
10
0
7. CDH73NP-330KC
△T
(℃)
△T
(℃)
48
40
32
24
16
8
0
0.0
L (μH)
60
50
40
30
20
10
0
0.4
0.8
DC (A)
1.2
1.6
△T
(℃)
48
40
32
24
16
8
0
0.0
L (μH)
60
50
40
30
20
10
0
0.4
0.8
DC (A)
1.2
1.6
△T
(℃)
60
50
40
30
20
10
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
(℃)
10. CDH73NP-560KC
11. CDH73NP-680KC
12. CDH73NP-820KC
60
50
40
30
20
10
0
0.0
0.3
0.6 0.9
DC (A)
1.2
1.5
60
50
40
30
20
10
0
90
75
60
45
30
15
0
0.0 0.2 0.4 0.6 0.8 1.0 1.2
DC (A)
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
1.0
60
50
40
30
20
10
0
Page 3 of 5
Revised: 6-Jan-17
SMD Power Inductor
CDH73
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: 6-Jan-17