PDF Datasheet

SMD Power Inductor
CDRH4D28C/LD
Description
• Ferrite drum core construction.
• Magnetically shielded.
• L W H:5.1 5.1 3.0 mm Max.
• Product weight: 0.21g(Ref.)
• Moisture Sensitivity Level: 1
• RoHS compliance.
• Halogen Free available.
RoHS
× ×
Halogen
Free
Dimension - [mm]
4.9± 0.2
MAX.3.0
1.
4±
0.
2
1
2
.
0
±
9
.
4
3
0.
4± .2
.
6
4
X.
MA
2
× ×
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
• 12.9”diameter reel
• 2000pcs per reel
Applications
• Ideally used in Mobile phone,PDA,MP3,HDD,
DSC/DVC, Note book PC, etc as DC-DC
converter inductors.
Land pattern and Schematics - [mm]
6.
4. 5
0
°
5
4
0
2.
１
２
（1.0μH～6.8μH）
℃
℃
１
２
（10μH～100μH）
Page 1 of 4
Revised: 7-Jan-14
SMD Power Inductor
CDRH4D28C/LD
Electrical Characteristics
Part No.
Stamp
CDRH4D28CLDNP-1R0PC
A
CDRH4D28CLDNP-2R2PC
B
CDRH4D28CLDNP-3R3PC
C
CDRH4D28CLDNP-4R7PC
D
CDRH4D28CLDNP-6R8PC
E
CDRH4D28CLDNP-100PC
F
CDRH4D28CLDNP-150PC
G
CDRH4D28CLDNP-220PC
H
CDRH4D28CLDNP-330PC
I
CDRH4D28CLDNP-470PC
J
CDRH4D28CLDNP-680PC
K
CDRH4D28CLDNP-101PC
L
Inductance
( H)
[within] 1
μ
※
±25%
2.2±25%
3.3±25%
4.7±25%
6.8±25%
10±25%
15±25%
22±25%
33±25%
47±25%
68±25%
100±25%
1.0
Ω
D.C.R (m )
Max. (Typ.)
( 20 )
Saturation
Current
(A) 2
Temperature
Rise Current
(A) 3
17.5(14)
3.0
4.9
23.8(19)
2.0
3.6
28.9(23)
1.6
3.2
36.3(29)
1.5
2.9
48.8(39)
1.2
2.4
67.5(54)
0.90
1.8
93.4(75)
0.81
1.6
140(112)
0.65
1.25
223(179)
0.55
0.92
272(218)
0.43
0.86
366(293)
0.36
0.72
520(416)
0.30
0.61
℃
※
※
※1. Inductance measuring condition: at 100kHz.
※2. Saturation current: The value of D.C. current when the inductance decreases to 65% 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 2 of 4
Revised: 7-Jan-14
SMD Power Inductor
CDRH4D28C/LD
Saturation Current & Temperature Rise Graph
L (20℃)
μ
△ ℃
△T
L (100℃)
μ
△ ℃
μ
△T (℃)
1. CDRH4D28CLDNP-1R0PC
L ( H)
T( )
2. CDRH4D28CLDNP-2R2PC
L ( H)
T( )
3. CDRH4D28CLDNP-3R3PC
L ( H)
1.2
60
2.4
60
3.6
1.0
50
2.0
50
3.0
50
0.8
40
1.6
40
2.4
40
0.6
30
1.2
30
1.8
30
0.4
20
0.8
20
1.2
20
0.2
10
0.4
10
0.6
10
0
0.0
0
0.0
0.0
0
1
2
3
4
DC (A)
5
μ
4. CDRH4D28CLDNP-4R7PC
L ( H)
6
0
△T (℃)
1
2
3
DC (A)
4
μ
60
0
5
0
△ ℃
1
2
DC (A)
3
μ
4
△T (℃)
5. CDRH4D28CLDNP-6R8PC
L ( H)
T( )
6. CDRH4D28CLDNP-100PC
L ( H)
60
9.0
60
12
5
50
7.5
50
10
50
4
40
6.0
40
8
40
3
30
4.5
30
6
30
2
20
3.0
20
4
20
1
10
1.5
10
2
10
0
0.0
0
0
6
0
0.0 0.6 1.2 1.8 2.4 3.0 3.6
DC (A)
μ
7. CDRH4D28CLDNP-150PC
L ( H)
△T (℃)
0.0 0.5 1.0 1.5 2.0 2.5 3.0
DC (A)
μ
8. CDRH4D28CLDNP-220PC
L ( H)
△T (℃)
60
0
0.0 0.4 0.8 1.2 1.6 2.0 2.4
DC (A)
μ
9. CDRH4D28CLDNP-330PC
L ( H)
△T (℃)
60
36
25
50
30
50
40
20
40
24
40
9
30
15
30
18
30
6
20
10
20
12
20
3
10
5
10
6
10
0
0
0
0
18
60
30
15
50
12
0
0.0
0.4
0.8 1.2
DC (A)
1.6
μ
2.0
0.0
0.6 0.9
DC (A)
1.2
11. CDRH4D28CLDNP-680PC
L ( H)
T( )
12. CDRH4D28CLDNP-101PC
L ( H)
T( )
60
60
90
60
120
μ
△ ℃
50
50
75
50
100
50
40
40
60
40
80
40
30
30
45
30
60
30
20
20
30
20
40
20
10
10
15
10
20
10
0
0
0
0
0
0
0.2
0.4 0.6
DC (A)
0.8
1.0
μ
0
0.0 0.2 0.4 0.6 0.8 1.0 1.2
DC (A)
1.5
10. CDRH4D28CLDNP-470PC
L ( H)
T( )
0.0
△ ℃
0.3
60
0.0
△ ℃
0.2
0.4 0.6
DC (A)
Page 3 of 4
0.8
1.0
0.0
60
0.2
0.4
0.6
DC (A)
Revised: 7-Jan-14
0.8
SMD Power Inductor
CDRH4D28C/LD
Solder Reflow Condition
T (℃)
300
250
Heat Endurance
260℃
230℃
200
0
60
120
180
240
245℃ PEAK
T (s)
40s
± ℃,60~120s
170 10
100
300
℃
230
150
60
100
Temperature Chart
200
10
150
50
0
T (℃)
300
250
50
0
0
60
120
180
240
300 T (s)
Please refer to the sales offices on our website - http://www.sumida.com
Hong Kong
Shanghai
Shenzhen
Taipei
Tel.+852-2880-6781
FAX.+852-2565-9600
[email protected]
Tel.+86-21-5836-3299
FAX.+86-21-5836-3266
[email protected]
Tel.+86-755-8291-0228
FAX.+86-755-8291-0338
[email protected]
Tel.+886-2-8751-2737
FAX.+886-2-8751-2738
[email protected]
Saitama(Japan)
Seoul
Singapore
San Jose
Tel.+81-48-691-7300
FAX.+81-48-691-7340
[email protected]
Tel.+82-2-6237-0777
FAX.+82-2-6237-0778
[email protected]
Tel.+65-6296-3388
FAX.+65-6841-4426
[email protected]
Tel.+1-408-321-9660
FAX.+1-408-321-9308
[email protected]
Chicago
Obernzell
Neumarkt
Tel.+1-847-545-6700
FAX. +1-847-545-6720
[email protected]
Tel.+49-8591-937-0
FAX. +49-8591-937-103
[email protected]
Tel.+49-9181-4509-110
FAX. +49-9181-4509-310
[email protected]
Page 4 of 4
Revised: 7-Jan-14