SMD Power Inductor CDH73
RoHS
Halogen Free
Dimension - [mm]
MAX.7.3
MAX.3.3 0.2
2.0±0.2
MAX.8.0
ELECTRODE
Land pattern and Schematics - [mm]
2.4
.5 1
5.4 8.4
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. • Halogen Free available.
℃~ ℃Environmental Data
• Operating temperature range: -40
+100
(including coil’s self temperature rise)
℃~ ℃• Storage temperature range: -40 +100 ℃• Solder reflow temperature: 260 peak.
5.8
0.2 7.6±
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.
DIMENSION OF CDH73
PART OF SILK SCREEN
Page 1 of 5
Revised: 19-Dec-13
SMD Power Inductor CDH73
Electrical Characteristics
Part Name
Stamp
Inductance
※( µH )
[ within ] 1
ΩD.C.R.( ) ℃Max. (Typ.)
(at 20 )
※Rated Current (A) 2
CDH73NP-100MC
100
±10 20%
77m (59m)
1.20
CDH73NP-120MC
120
±12 20%
92m (71m)
1.05
CDH73NP-150LC
150
±15 15%
0.11(87m)
1.00
CDH73NP-180LC
180
±18 15%
0.13(0.10)
0.90
CDH73NP-220LC
220
±22 15%
0.18(0.14)
0.81
CDH73NP-270LC
270
±27 15%
0.21(0.16)
0.75
CDH73NP-330KC
330
±33 10%
0.24(0.19)
0.66
CDH73NP-390KC
390
±39 10%
0.28(0.21)
0.59
CDH73NP-470KC
470
±47 10%
0.35(0.27)
0.56
CDH73NP-560KC
560
±56 10%
0.40(0.31)
0.51
CDH73NP-680KC
680
±68 10%
0.51(0.39)
0.47
CDH73NP-820KC
820
±82 10%
0.60(0.46)
0.41
CDH73NP-101KC
101
±100 10%
0.70(0.54)
0.37
CDH73NP-121KC
121
±120 10%
0.89(0.69)
0.35
CDH73NP-151KC
151
±150 10%
1.04(0.80)
0.31
CDH73NP-181KC
181
±180 10%
1.22(0.94)
0.28
CDH73NP-221KC
221
±220 10%
1.63(1.30)
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: 19-Dec-13
SMD Power Inductor CDH73
Saturation Current & Temperature Rise Graph
℃L (20 )
℃L (100 )
△T
μ 1. CDH73NP-100MC
L ( H) 12
△T ℃( )
60
μ 2. CDH73NP-120MC
L ( H) 18
△T ℃( )
60
10 50 15 50 8 40 12 40
6 30
4 20
2 10
00
0.0 0.5 1.0 1.5 2.0 2.5 3.0 DC (A)
μ 4. CDH73NP-180LC
L ( H)
△T ℃( )
24 60
9 30
6 20
3 10
0 0.0 0.5 1.0 1.5 DC (A)
μ 5. CDH73NP-220LC
L ( H) 30
0 2.0 2.5
△T ℃( )
60
20 50 25 50 16 40 20 40
12 30 15 30 8 20 10 20
4 10 5 10
00
0.0 0.4 0.8 1.2 1.6 2.0 DC (A)
μ 7. CDH73NP-330KC
L ( H) 48
△T ℃( ) 60
00
0.0 0.3 0.6 0.9 1.2 1.5 1.8 DC (A)
μ 8. CDH73NP-390KC
L ( H) 48
△T ℃( ) 60
40 50 40 50
32 40 32 40
24 30 24 30
16 20 16 20 8 10 8 10
0
0.0 0.4 0.8 1.2 DC (A)
μ 10. CDH73NP-560KC
L ( H) 60
0 1.6
△T ℃( )
60
0
0.0 0.4 0.8 1.2 DC (A)
μ 11. CDH73NP-680KC
L ( H) 90
0 1.6
△T ℃( )
60
50 50 75 50
40 40 60 40
30 30 45 30
20 20 30 20
10 10 15 10
00
0.0 0.3 0.6 0.9 1.2 1.5 DC (A)
00
0.0 0.2 0.4 0.6 0.8 1.0 1.2 DC (A)
Page 3 of 5
μ 3. CDH73NP-150LC
L ( H) 18
△T ℃( )
60
15 50
12 40
9 30
6 20
3 10
00
0.0 0.4 0.8 1.2 1.6 2.0 DC (A)
μ 6. CDH73NP-270LC
L ( H)
△T ℃( )
30 60
25 50
20 40
15 30
10 20
5 10
00
0.0 0.3 0.6 0.9 1.2 1.5 1.8 DC (A)
μ 9. CDH73NP-470KC
L ( H) 60
△T ℃( ) 60
50 50
40 40
30 30
20 20
10 10
0
0.0 0.3 0.6 0.9 1.2 DC (A)
μ 12. CDH73NP-820KC
L ( H) 120
0 1.5
△T ℃( )
60
100 50
80 40
60 30
40 20
20 10
00
0.0 0.2 0.4 0.6 0.8 1.0 DC (A)
Revised: 19-Dec-13
SMD Power Inductor CDH73
Saturation Current & Temperature Rise Graph
℃ ℃ △L (20 )
L (100 )
T
μ 13. CDH73NP-101KC
L ( H) 120
△T ℃( ) 60
μ 14. CDH73NP-121KC
L ( H) 180
△T ℃( ) 60
100 50 150 50
80 40 120 40
60 30 90 30
40 20 60 20
20 10 30 10
00
0.0 0.2 0.4 0.6 0.8 1.0 DC (A)
μ 16. CDH73NP-181KC
L ( H) 240
△T ℃( ) 60
00
0.0 0.2 0.4 0.6 0.8 1.0 DC (A)
μ 17. CDH73NP-221KC
L ( H) 240
△T ℃( ) 60
200 160 120 80 40
0 0.0
0.2 0.4 0.6 DC (A)
50 40 30 20 10 0 0.8
200 50
160 40
120 30
80 20
40 10 00
0.0 0.2 0.4 0.6 0.8 DC (A)
μ 15. CDH73NP-151KC
L ( H) 180
150
120
90
60
30
0 0.0
0.2 0.4 DC (A)
0.6
△T ℃( ) 60 50 40 30 20 10 0 0.8
Page 4 of 5
Revised: 19-Dec-13
SMD Power Inductor CDH73
Solder Reflow Condition
T (℃) 300 250
200
150
100
50 0
0
Heat Endurance 60 120 180
260℃
10 60
230℃
240 300 T (s)
T (℃) 300 250
200 150
100
50 0
0
Temperature Chart
± ℃170 10 ,60~120s
245℃ PEAK
℃230
40s
60 120 180 240 300 T (s)
Please refer to the sales offices on our website - http://www.sumida.com
Hong Kong
Tel.+852-2880-6781 FAX.+852-2565-9600
[email protected]
Saitama(Japan)
Tel.+81-48-691-7300 FAX.+81-48-691-7340
[email protected]
Chicago
Tel.+1-847-545-6700 FAX. +1-847-545-6720
[email protected]
Shanghai
Shenzhen
Tel.+86-21-5836-3299
Tel.+86-755-8291-0228
FAX.+86-21-5836-3266
FAX.+86-755-8291-0338
[email protected] [email protected]
Seoul
Singapore
Tel.+82-2-6237-0777
Tel.+65-6296-3388
FAX.+82-2-6237-0778
FAX.+65.