SMD Power Inductor CDH20D08
Description • Ferrite drum core construction. • Magnetically Unshielded. • L W H: 2.2 2.2 x0.9 mm Max. • Product weight: 10.5mg(Ref.) • Moisture Sensitivity Level: 1 • RoHS compliance. • Halogen Free available. Environmental Data • Operating temperature range:-40 ~+105 (including coil’s self temperature rise) • Storage temperature range:-40 ~+105 • Solder reflow temperature: 260 peak. Packaging • Carrier tape and reel packaging
55 .0 55 . 0
RoHS Halogen Free
Dimension - [mm]
0 7. 0 . x aM 9 .0 2 .0± 0. 2
Land pattern and Schematics - [mm]
Applications • Ideally used in smart phone and other portable devices.
Electrical Characteristics
CDH20D08HF-R68NC CDH20D08HF-1R0NC CDH20D08HF-1R5NC CDH20D08HF-2R2MC CDH20D08HF-3R3MC CDH20D08HF-4R7MC CDH20D08HF-6R8MC CDH20D08HF-8R2MC
B C D E F G J K
0.68 30% 1.0 1.5 2.2 3.3 4.7 6.8 8.2 30% 30% 20% 20% 20% 20% 20%
1. Saturation current: The value of D.C. current when the inductance decreases to 70% of it’s nominal value.
Page 1 of 3
℃ = ℃ =△
2. Temperature rise current: The value of D.C. current when the temperature rise is
± ± ± ± ± ± ± ± ±
CDH20D08HF-R47NC
A
0.47 30%
85m (67m) 134m (107m) 182m (146m) 275m (220m) 368m (295m) 585m (468m) 700m (560m) 1.011 (808m) 1.215 (1.012)
1.89 (2.36)
1.44
1.48 (1.85) 1.15 (1.44) 0.94 (1.18) 0.80 (1.00) 0.67 (0.84) 0.61 (0.76) 0.50 (0.63) 0.45 (0.56)
1.15 0.78 0.66 0.61 0.46 0.44 0.35 0.29
t 40
(Ta
20
).
Revised: 26-Jul-11
※A
℃
※
℃
μ
Part name
Stamp
Ω
Inductance [ H] 1MHz
D.C.R.( ) [Max.] (at 20 )
Saturation current (A) 1 (at20 )
Temperature rise current ( ) 2
℃ ℃℃ ℃℃
×
××
2 . 0
57 . 0
06 . 0
57 . 0
※ ※
2 . 0 ± 0 . 2
6.0 5.0 4.0 3.0 2.0 1.0 0.0 0 0.0 01 02 03 04 05 06 5.1 0.3 5.4 0.6 5.7
L ( H)
6.0 5.0 4.0 3.0 2.0 1.0 0.0 0 0.0 01 02 03 04 05 06 5.1 0.3 5.4 0.6 5.7
L ( H)
8.0 0 01 02 03 04 05 06
6.0
0.1 0 01 02 03 04 05 06
8.0
6.0
4.0
2.0
0.0 0.0 8.0 6.1 4.2 2.3 0.4 8.4 0 01 02 03 04 05 06
0.1
8.0
6.0
4.0
2.0
0.0 0.0 5.0 0.1 5.1 0.2 5.2 0.3
2.1 0.1 8.0 6.0 4.0 2.0 0.0 0 0.0 01 02 03 04 05 06 4.0 8.0 2.1 6.1 0.2 4.2
5.1 0 01 02 03 04 05 06
2.1
9.0
6.0
3.0
0.0 0.0 3.0 6.0 9.0 2.1 5.1
L ( H)
0.2 0 01 02 03 04 05 06
6.1
2.1
8.0
4.0
0.0 0.0 2.0 4.0 6.0 8.0 0.1 2.1
4.2 0.2 6.1 2.1 8.0 4.0 0.0 0 0.0 01 02 03 04 05 06 1.0 2.0 3.0 4.0 5.0 6.0
SMD Power Inductor CDH20D08
Saturation Current & Temperature Rise Graph
L (20 )
△
℃
L ( H)
1. CDH20D08HF-R47NC
T( )
T
L ( H)
2. CDH20D08HF-R68NC
T( )
3. CDH20D08HF-1R0NC
℃△
μ
8.1
℃△
μ
℃△
L ( H)
4. CDH20D08HF-1R5NC
DC (A)
T( )
L ( H)
5. CDH20D08HF-2R2MC
DC (A)
T( )
L ( H)
6. CDH20D08HF-3R3MC
℃△
μ
℃△
μ
℃△
L ( H)
7. CDH20D08HF-4R7MC
DC (A)
T( )
8. CDH20D08HF-6R8MC
DC (A)
T( )
9. CDH20D08HF-8R2MC
℃△
μ
0.9
℃△
μ
0.9
℃△
DC (A)
Page 2 of 3
DC (A)
4.0 2.0 0.0 0.0 0.1 0.2 0.3 0.4 0.5 0.6
Revised: 26-Jul-11
DC (A) DC (A) DC (A)
T( ) T( ) T( )
μ
μ
μ
SMD Power Inductor CDH20D08
Solder Reflow Condition
Heat Endurance
052 003 )℃( T ℃062 052 003 )℃( T
Temperature Chart
KAEP ℃542
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Page 3 of 3
Revised: 26-Jul-11
)s( T 003
042
081
℃±
021
170 10
,60~120s
℃
s04 06 0
002 051 001 0 05 )s( T 003
℃032 01 06 042 081 021 06
230
0
002 051 001 0 05
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