SMD Power Inductor
CEP125
Description
• Ferrite core construction.
• Magnetically shielded.
• L×W×H: 12.9×12.9×5.6 mm Max.
• Product weight: 2.7g(Ref.)
• Moisture Sensitivity Level: 1
• RoHS compliance.
RoHS
Dimension - [mm]
MAX.5.6
②
7.0±0.2
2.6±0.2
12.5±0.4
2.6±0.2
4.0±0.2 4.2±0.2
2.5±0.2
12.5±0.4
③
①
Environmental Data
• Operating temperature range: -40℃~+125℃
(including coil’s self temperature rise)
• Storage temperature range: -40℃~+125℃
• Solder reflow temperature: 260 ℃ peak.
Packaging
• Carrier tape and reel packaging
• 13.0”diameter reel
• 500pcs per reel
Applications
• Ideally used in portable computer CPU and
other power supply.
Land pattern and Schematics - [mm]
10.0
4.0
③
13.5
4.2
4.0
②
①
3.0
Page 1 of 5
Revised: 10-Jan-17
SMD Power Inductor
CEP125
Electrical Characteristics - 1
PART NO.
STAMP
INDUCTANCE
[WITHIN ] ※1
SATURATION
CURRENT(A) ※2
D.C.R. (mΩ)
[MAX.] (Typ.)
(at 20℃)
(at 20℃)
(at100℃)
TEMPERATURE
RISE CURRENT
(A) ※3
CEP125NP-1R5MC
1R5M
1.5μH±20%
2.5(2.1)
14.0
11.8
16.5
CEP125NP-2R5MC
2R5M
2.5μH±20%
3.4(2.8)
10.0
8.8
15.5
CEP125NP-4R0MC
4R0M
4.0μH±20%
5.4(4.5)
8.3
7.2
12.5
CEP125NP-6R0MC
6R0M
6.0μH±20%
8.0(6.6)
6.7
5.8
9.9
CEP125NP-8R2MC
8R2M
8.2μH±20%
11.4(9.5)
5.8
5.1
8.2
CEP125NP-100MC
100M
10.0μH±20%
13.5(11.2)
5.0
4.6
7.6
INDUCTANCE
[WITHIN]※1
D.C.R. (mΩ)
[MAX.] (Typ.)
(at 20℃)
(at 20℃)
(at100℃)
TEMPERATURE
RISE CURRENT
( A ) ※3
Electrical Characteristics - 2
PART NO.
STAMP
SATURATION
CURRENT ( A ) ※2
CEP125NP-1R0MC-H
1R0MH
1.0μH±20%
2.5(2.1)
20.0
17.4
16.5
CEP125NP-1R8MC-H
1R8MH
1.8μH±20%
3.4(2.8)
15.3
12.9
15.5
CEP125NP-2R8MC-H
2R8MH
2.8μH±20%
5.4(4.5)
12.3
10.2
12.5
CEP125NP-4R0MC-H
4R0MH
4.0μH±20%
8.0(6.6)
10.3
8.6
9.9
CEP125NP-5R6MC-H
5R6MH
5.6μH±20%
11.4(9.5)
8.8
7.7
8.2
CEP125NP-7R2MC-H
7R2MH
7.2μH±20%
13.5(11.2)
7.8
6.6
7.6
INDUCTANCE
[WITHIN]※1
D.C.R. (mΩ)
[MAX.] (Typ.)
(at 20℃)
(at 20℃)
(at100℃)
Electrical Characteristics - 3
PART NO.
STAMP
SATURATION
CURRENT ( A ) ※2
TEMPERATURE
RISE CURRENT
( A ) ※3
CEP125NP-0R3NC-U
0R3NU
0.35μH±30%
1.8(1.5)
35.0
32.0
18.5
CEP125NP-0R8NC-U
0R8NU
0.8μH±30%
2.5(2.1)
25.7
21.8
16.5
CEP125NP-1R4MC-U
1R4MU
1.4μH±20%
3.4(2.8)
19.2
16.4
15.5
CEP125NP-2R2MC-U
2R2MU
2.2μH±20%
5.4(4.5)
14.8
12.8
12.5
CEP125NP-3R2MC-U
3R2MU
3.2μH±20%
8.0(6.6)
12.8
10.9
9.9
CEP125NP-4R3MC-U
4R3MU
4.3μH±20%
11.4(9.5)
11.0
9.1
8.2
CEP125NP-5R6MC-U
5R6MU
5.6μH±20%
13.5(11.2)
9.5
7.8
7.6
※1. Measuring condition: at 100kHz.
※2. Saturation current :The value of D.C. current when the inductance decreases to 65% (while the
tolerance is ±30%) or 75% (while the tolerance is±20%) of it’s nominal.
※3. Temperature rise current: The value of D.C. current when the temperature rise is △t=40℃(Ta=20℃).
Page 2 of 5
Revised: 10-Jan-17
SMD Power Inductor
CEP125
Saturation Current & Temperature Rise Graph
L (20℃)
L (μH)
△T
L (100℃)
1. CEP125NP-1R5MC
△T (℃)
L (μH)
2. CEP125NP-2R5MC
△T (℃)
L (μH)
3. CEP125NP-4R0MC
△T (℃)
1.8
60
2.4
60
6
60
1.5
50
2.0
50
5
50
1.2
40
1.6
40
4
40
0.9
30
1.2
30
3
30
0.6
20
0.8
20
2
20
0.3
10
0.4
10
1
10
0
0.0
0
0
0.0
0
L (μH)
4
8
12
DC (A)
16
4. CEP125NP-6R0MC
20
0
△T (℃)
L (μH)
4
8
DC (A)
12
0
16
5. CEP125NP-8R2MC
0
△T (℃)
3
L (μH)
6
9
DC (A)
12
6. CEP125NP-100MC
15
△T (℃)
6
60
12
60
12
60
5
50
10
50
10
50
4
40
8
40
8
40
3
30
6
30
6
30
2
20
4
20
4
20
1
10
2
10
2
10
0
0
0
0
0
0
0
2
L (μH)
4
6
8
DC (A)
10
7. CEP125NP-1R0MC-H
12
0
△T (℃)
2
L (μH)
4
6
DC (A)
8
8. CEP125NP-1R8MC-H
10
0
△T (℃)
2
L (μH)
4
6
DC (A)
8
9. CEP125NP-2R8MC-H
△T (℃)
1.2
60
2.4
60
3.6
60
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
L (μH)
5
10 15 20
DC (A)
25
10. CEP125NP-4R0MC-H
0
30
△T (℃)
L (μH)
4
8
12
DC (A)
16
11. CEP125NP-5R6MC-H
0
20
△T (℃)
0
L (μH)
3
6
9 12
DC (A)
15
12. CEP125NP-7R2MC-H
18
△T (℃)
4.8
60
12
60
4.0
50
10
50
3.2
40
8
40
2.4
30
6
30
1.6
20
4
20
0.8
10
2
10
0.0
0
0
0
0
3
6
DC (A)
9
12
15
0
DC (A)
Page 3 of 5
2
4
6
8
10
DC (A)
Revised: 10-Jan-17
12
SMD Power Inductor
CEP125
Saturation Current & Temperature Rise Graph
L (20℃)
L (μH)
△T
L (100℃)
13. CEP125NP-0R3NC-U
△T (℃)
L (μH)
14. CEP125NP-0R8NC-U
△T (℃)
L (μH)
15. CEP125NP-1R4MC-U
△T (℃)
0.6
60
1.2
60
1.8
60
0.5
50
1.0
50
1.5
50
0.4
40
0.8
40
1.2
40
0.3
30
0.6
30
0.9
30
0.2
20
0.4
20
0.6
20
0.1
10
0.2
10
0.3
10
0
0.0
0
0.0
0.0
0
L (μH)
8
16
24
DC (A)
32
16. CEP125NP-2R2MC-U
40
0
△T (℃)
L (μH)
8
16
24
DC (A)
32
17. CEP125NP-3R2MC-U
40
0
0
△T (℃)
L (μH)
5
10
15 20
DC (A)
25
18. CEP125NP-4R3MC-U
30
△T (℃)
3.0
60
3.6
60
4.8
60
2.5
50
3.0
50
4.0
50
2.0
40
2.4
40
3.2
40
1.5
30
1.8
30
2.4
30
1.0
20
1.2
20
1.6
20
0.5
10
0.6
10
0.8
10
0.0
0
0.0
0
0.0
0
0
L (μH)
4
8
12 16
DC (A)
20
19. CEP125NP-5R6MC-U
24
0
60
5
50
4
40
3
30
2
20
1
10
0
0
3
6
9
DC (A)
12
8
12
DC (A)
16
20
0
4
8
12
DC (A)
△T (℃)
6
0
4
15
Page 4 of 5
Revised: 10-Jan-17
16
SMD Power Inductor
CEP125
Solder Reflow Condition
T (℃)
300
250
Heat Endurance
T (℃)
300
250
260℃
230℃
200
100
50
0
50
0
60
120
180
240
230℃
40s
150
60
100
0
245℃ PEAK
200
10
150
Temperature Chart
300
T (s)
170±10 ℃,60~120s
0
60
120
180
240
300 T (s)
Please refer to the sales offices on our website - http://www.sumida.com
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Tel.+886-2-8751-2737
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Tel.+82-2-6237-0777
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infocomp@eu.sumida.com
Page 5 of 5
Revised: 10-Jan-17
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