SMD Power Inductor CDH25D14
Description • Ferrite drum core construction. • Magnetically unshielded. • L W H: 2.6 2.1 x1.5 mm Max. • Product weight: 0.03 g(Ref.) • Moisture Sensitivity Level: 1 • RoHS compliance. • Halogen Free available. Environmental Data • Operating temperature range: -40 ~+105 (including coil’s self temperature rise) +105 • Storage temperature range: -40 • Solder reflow temperature: 260 peak. Packaging • Carrier tape and reel packaging
RoHS Halogen Free
Dimension - [mm]
9 .0 . xa M 5 .1 0 1. 0± 05 .2 0 1. 0± 05 .2
Land pattern and Schematics - [mm]
Applications • Ideally used in Mobile Phone,PDA,MP3,DSC/ DVC,HDD,ets as DC-DC converter inductors.
2.00
0.85
0.8
0.85
Page 1 of 4
Revised: 9-Jul-11
℃ ℃
℃ ~℃ ℃
×
××
1 . 9 9
2
1
2 2 . . 0 0 0 ± 0 0 . . 1 1 0
SMD Power Inductor CDH25D14
Electrical Characteristics
CDH25D14HF-R33NC CDH25D14HF-R47NC CDH25D14HF-R68NC CDH25D14HF-R82NC CDH25D14HF-1R0NC CDH25D14HF-1R5NC CDH25D14HF-2R2MC CDH25D14HF-3R3MC CDH25D14HF-4R7MC CDH25D14HF-6R8MC CDH25D14HF-100MC CDH25D14HF-150MC CDH25D14HF-220MC CDH25D14HF-330MC
B C D E F G J K L M N P Q R
0.33 30% 0.47 30% 0.68 30% 0.82 30% 1.0 1.5 2.2 30% 30% 20% 20% 20% 20%
3.3
4.7 6.8 10 15 22 33
1. Saturation current: The value of D.C. current when the inductance decreases to 70% of it’s nominal value.
Page 2 of 4
℃ = ℃ =△
2. Temperature rise current: The value of D.C. current when the temperature rise is
± ± ± ± ± ± ± ± ± ± ± ± ± ± ±
CDH25D14HF-R24NC
A
0.24 30%
0.050(0.035) 0.060(0.045) 0.065(0.055) 0.075(0.060) 0.085(0.070) 0.095(0.075) 0.13(0.10) 0.18(0.14) 0.21(0.17) 0.30(0.24) 0.52(0.42) 0.67(0.53) 1.05(0.83) 1.55(1.30) 2.15(1.70)
4.15(5.20) 3.40(4.25) 3.05(3.80) 2.70(3.40) 2.50(3.10) 2.25(2.80) 1.85(2.30) 1.50(1.90) 1.30(1.60) 1.10(1.40) 0.90(1.15) 0.75(0.95) 0.60(0.75) 0.50(0.60) 0.40(0.50)
20% 20% 20% 20%
t 40
℃
(at 20
)
(at 105
)
3.30(4.10) 2.85(3.55) 2.55(3.20) 2.20(2.75) 2.10(2.60) 1.85(2.30) 1.50(1.90) 1.25(1.55) 1.05(1.30) 0.90(1.15) 0.75(0.90) 0.60(0.75) 0.50(0.65) 0.40(0.50) 0.30(0.40)
2.20(2.50) 1.90(2.20) 1.70(1.95) 1.55(1.80) 1.50(1.70) 1.45(1.65) 1.15(1.30) 0.95(1.10) 0.75(0.90) 0.65(0.75) 0.55(0.60) 0.40(0.50) 0.35(0.40) 0.27(0.32) 0.13(0.27)
(Ta
20
).
Revised: 9-Jul-11
※
μ
Part name
Stamp
Inductance [ H] 1MHz
℃ ※
D.C.R.( ) [Max.] (Typ.) (at 20 )
Saturation current (A)
1
Temperature rise current (A) 2
℃ Ω
※ ※
0.1 0 01 02 03 04 05 06
8.0
6.0
4.0
2.0
0.0 0 2 4 6 8 01 21
2.1 0.1 8.0 6.0 4.0 2.0 0.0 0 0.0 01 02 03 04 05 06 5.1 0.3 5.4 0.6 5.7 0.9
5.1 0 01 02 03 04 05 06
2.1
9.0
6.1 0 01 02 03 04 05 06
2.1
8.0
4.0
0.0 0.0 6.0 2.1 8.1 4.2 0.3 6.3 0 01 02 03 04 05 06
0.2
6.1
2.1
8.0
4.0
0.0 0.0 5.0 0.1 5.1 0.2 5.2 0.3
4.2 0.2 6.1 2.1 8.0 4.0 0.0 0 0.0 01 02 03 04 05 06 3.0 6.0 9.0 2.1 5.1 8.1
0.3 5.2 0.2 5.1 0.1 5.0 0.0 0 0.0 01 02 03 04 05 06 2.0 4.0 6.0 8.0 0.1 2.1
2.3 0 01 02 03 04 05 06
4.2
6.1
8.0
0.0 0.0 2.0 4.0 6.0 8.0 0.1 2.1
6.3 0.3 4.2 8.1 2.1 6.0 0.0 0 0.0 01 02 03 04 05 06 2.0 4.0 6.0 8.0 0.1 2.1
4 0 01 02 03 04 05 06
3
2
1
0 0.0 1.0 2.0 3.0 4.0 5.0 6.0
6 0 01 02 03 04 05 06
5
4
3
2
1
0 00.0 50.0 01.0 51.0 02.0 52.0 03.0
8.4 0.4 2.3 4.2 6.1 8.0 0.0 0 00.0 01 02 03 04 05 06 80.0 61.0 42.0 23.0 04.0 84.0
SMD Power Inductor CDH25D14
Saturation Current & Temperature Rise Graph
L (20 )
L (105 )
△
℃
℃
L ( H)
1. CDH25D14HF-R24NC
T( )
L ( H)
2. CDH25D14HF-R33NC
T
T( )
L ( H)
3. CDH25D14HF-R47NC
℃△
μ
℃△
μ
℃△
L ( H)
4. CDH25D14HF-R68NC
DC (A)
T( )
L ( H)
5. CDH25D14HF-R82NC
DC (A)
T( )
L ( H)
6. CDH25D14HF-1R0NC
℃△
μ
℃△
μ
℃△
L ( H)
7. CDH25D14HF-1R5NC
DC (A)
T( )
L ( H)
8. CDH25D14HF-2R2MC
DC (A)
T( )
L ( H)
9. CDH25D14HF-3R3MC
℃△
μ
℃△
μ
℃△
L ( H)
10. CDH25D14HF-4R7MC
DC (A)
T( )
L ( H)
11. CDH25D14HF-6R8MC
DC (A)
T( )
L ( H)
12. CDH25D14HF-100MC
℃△
μ
℃△
μ
℃△
DC (A)
6.0
Page 3 of 4
DC (A)
3.0 0.0 0.0 8.0 6.1 4.2 2.3 0.4 8.4
Revised: 9-Jul-11
DC (A) DC (A) DC (A) DC (A)
T( ) T( ) T( ) T( )
μ
μ
μ
μ
SMD Power Inductor CDH25D14
Saturation Current & Temperature Rise Graph
13. CDH25D14HF-150MC 14. CDH25D14HF-220MC
DC (A)
DC (A)
DC (A)
Solder Reflow Condition
Heat Endurance
052 003 )℃( T ℃062 052 003 )℃( T
Temperature Chart
KAEP ℃542
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Page 4 of 4
Revised: 9-Jul-11
)s( T 003
042
081
℃±
170 10
,60~120s
℃
230
℃△
06 05 04 03 02 01 0
6.0 5.0 4.0 3.0 2.0 1.0 0.0
s04
μ
6
0
63
03
42
81
21
021
℃△
06 05 04 03 02 01 0
06
6.0 5.0 4.0 3.0 2.0 1.0 0.0
0
002
051
001
0 05
)s( T
℃032
003
μ
8
4
0
42
02
61
21
01
06
042
℃△
06 05 04 03 02 01 0 8.0
L ( H)
T( )
L ( H)
△
℃
L (20 )
081
6.0
℃
L (105 )
T
T( ) L ( H) 15. CDH25D14HF-330MC T( )
021
4.0
06
2.0
0
0.0
002
051
001
μ
0 05
9
6
3
0
81 51 21
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