SMD Power Inductor
CDH25D11D
Description
• Ferrite drum core construction.
• Magnetically unshielded.
• L W H: 2.6 2.1 1.2 mm Max.
• Product weight: 20 mg(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.
1.8
RoHS
Halogen
Free
Dimension - [mm]
0.1
0.1
Land pattern and Schematics - [mm]
0.85
0.8
0.85
Electrical Characteristics
2.0
PART NAME
STAMP
CDH25D11DHF-1R5NC-H
CDH25D11DHF-2R2MC-H
CDH25D11DHF-3R3MC-H
CDH25D11DHF-4R7MC-H
CDH25D11DHF-6R8MC-H
CDH25D11DHF-100MC-H
B
C
D
E
F
G
1.5
2.2
3.3
4.7
6.8
10
1. Measuring condition: at 100kHz.
2. Saturation current: The value of D.C. current when the inductance decreases to 70% 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 1 of 3
℃ ＝ ℃ ＝△
±
±
±
±
±
±
±
CDH25D11DHF-1R0NC-H
A
1.0
30
30
20
20
20
20
79
25
2.16
1.89
1.50
1.30
1.11
0.84
0.71
1.52
1.25
1.02
0.96
0.76
0.58
0.44
118
167
215
25
25
25
20
20
20
318
495
755
20
Revised: 8-Sep-11
※
※ ℃
％ ±
％ ±
％ ±
％ ±
％ ±
％ ±
％ ±
℃
Ω
INDUCTANCE
(uH)
[WITHIN] 1
±
±
±
±
2.0
％
％
％
％
％
％
％
※
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
2.5
0.1
1.1
0.1
1.0
0.1
Packaging
• Carrier tape and reel packaging.
Applications
• Ideally used in HDD, cell phone, PDA, DVC
and DSC.
D.C.R. (m )
[ WITHIN ]
(at 20 )
SATURATION
CURRENT (A)
(at 20 )
2
TEMPERATURE
RISE CURRENT
(A)
3
℃
℃
℃
½℃
℃
× ×
× ×
※
※
※
0.1
0
01
02
03
04
05
06
8.0
6.0
0.1
0
01
02
03
04
05
06
8.0
6.0
4.0
2.0
0.0
0.0
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
6.0
3.0
0.0
0
1
2
3
4
5
6
6.1
0
01
02
03
04
05
06
2.1
8.0
4.0
0
01
02
03
04
05
06
8.1 5.1 2.1 9.0 6.0 3.0 0.0
0.0
4.0
8.0
2.1
6.1
0.2
4.2
0
01
02
03
04
05
06
4.2 0.2 6.1 2.1 8.0 4.0 0.0
0.0
3.0
6.0
9.0
2.1
5.1
8.1
0
01
02
03
04
05
06
0.3 5.2 0.2 5.1 0.1 5.0 0.0
0.0
2.0
4.0
6.0
8.0
0.1
2.1
SMD Power Inductor
CDH25D11D
Saturation Current & Temperature Rise Graph
L (20 )
L (105 )
△
℃
℃
L ( H)
1. CDH25D11DHF-1R0NC-H
T( )
L ( H)
2. CDH25D11DHF-1R5NC-H
T
T( )
L ( H)
3. CDH25D11DHF-2R2MC-H
℃ △
μ
℃ △
μ
℃ △
L ( H)
4. CDH25D11DHF-3R3MC-H
DC (A)
T( )
L ( H)
5. CDH25D11DHF-4R7MC-H
DC (A)
T( )
L ( H)
6. CDH25D11DHF-6R8MC-H
℃ △
μ
℃ △
μ
℃ △
L ( H)
7. CDH25D11DHF-100MC-H
℃ △
DC (A)
DC (A)
T( )
Page 2 of 3
4.0
2.0
0.0
0
2
4
6
8
01
21
DC (A)
Revised: 8-Sep-11
DC (A)
T( )
T( )
μ
0.0
0.0
6.0
2.1
8.1
4.2
0.3
6.3
μ
μ
SMD Power Inductor
CDH25D11D
Solder Reflow Condition
Heat Endurance
052
003
)℃( T
℃062
052
003
)℃( T
Temperature Chart
KAEP ℃542
Please refer to the sales offices on our website -
http://www.sumida.com
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Page 3 of 3
Revised: 8-Sep-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
微控制器 MCU
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