SMD Power Inductor
CDEP85
Description
• Ferrite core construction.
• Magnetically shielded.
• L×W×H: 8.4×8.4×5.5 mm Max.
• Product weight:1.2 g(Ref.)
• Moisture Sensitivity Level: 1
• RoHS compliance.
Environmental Data
• Operating temperature range: -40℃½+125℃
(including coil’s self temperature rise)
• Storage temperature range: -40℃½+125℃
• Solder reflow temperature: 260
℃
peak.
1.4 ±0.1
RoHS
Dimension - [mm]
8.0±
0.4
5.5 Max.
2.2
2.8
2.0 ±0.1 2.0 ±0.1
②
③
①
Packaging
• Carrier tape and reel packaging.
• 13.0”diameter reel
• 1000pcs per reel
Applications
• Ideally used in portable computer CPU power
supply.
8.0 ±0.4
Land pattern and Schematics - [mm]
②
2.0
2.1
7.2
4.6 ±0.2
③
①
28
.
22
.
90
.
Electrical Characteristics
Electrical characteristics - Low D.C.R. Type
Part No.
Stamp
Inductance
［Within]※1
0.5μH±20%
1.1μH±20%
2.0μH±20%
3.1μH±20%
4.5μH±20%
6.1μH±20%
8.0μH±20%
10.0μH±20%
D.C.R.
(mΩ)[Max.]
(at20℃)
2.5(2.1)
3.4(2.8)
4.8(4.0)
7.0(5.9)
8.1(6.8)
9.8(8.2)
11.7(9.8)
15.1(12.6)
Saturation current
(A)※2
(at 20℃)
12.0(15.0)
7.8(9.8)
5.3(6.6)
4.4(5.5)
3.6(4.5)
3.4(4.2)
2.9(3.6)
2.6(3.2)
(at105℃)
10.4(13.0)
6.8(8.5)
4.7(5.9)
3.7(4.6)
3.2(4.0)
2.9(3.6)
2.6(3.2)
2.2(2.8)
Temperature
Rise Current
(A)※3
18.0
17.0
13.5
10.8
9.7
8.3
7.5
6.5
CDEP85NP-R5ØMC-125
CDEP85NP-1R1MC-125
CDEP85NP-2RØMC-125
CDEP85NP-3R1MC-125
CDEP85NP-4R5MC-125
CDEP85NP-6R1MC-125
CDEP85NP-8RØMC-125
CDEP85NP-1ØØMC-125
R50ML
1R1ML
2R0ML
3R1ML
4R5ML
6R1ML
8R0ML
100ML
Page 1 of 5
Revised: 10-Jan-17
SMD Power Inductor
CDEP85
Electrical characteristics - Standard Type
Inductance
［Within½
※1
0.35μH±20％
0.8μH±20％
1.4μH±20％
2.2μH±20％
3.2μH±20％
4.3μH±20％
5.6μH±20％
7.1μH±20％
D.C.R.(mΩ)
[Max.]
(at 20℃)
2.5(2.1)
3.4(2.8)
4.8(4.0)
7.0(5.9)
8.1(6.8)
9.8(8.2)
11.7(9.8)
15.1(12.6)
Saturation current
(A)※2
(at 20℃)
18.4(23.0)
11.4(14.2)
8.8(11.0)
7.0(8.7)
5.8(7.2)
5.0(6.2)
4.3(5.4)
3.8(4.8)
(at105℃)
15.2(19.0)
10.0(12.5)
7.6(9.5)
5.8(7.3)
5.0(6.2)
4.1(5.1)
3.6(4.5)
3.3(4.1)
Temperature
Rise current
(A)※3
18.0
17.0
13.5
10.8
9.7
8.3
7.5
6.5
Part No.
Stamp
CDEP85NP-R35MC-88
CDEP85NP-R8ØMC-88
CDEP85NP-1R4MC-88
CDEP85NP-2R2MC-88
CDEP85NP-3R2MC-88
CDEP85NP-4R3MC-88
CDEP85NP-5R6MC-88
CDEP85NP-7R1MC-88
R35MS
R80MS
1R4MS
2R2MS
3R2MS
4R3MS
5R6MS
7R1MS
Electrical characteristics - High Power Type
Inductance
［Within½
※1
0.2μH±20％
0.45μH±20％
0.8μH±20％
1.2μH±20％
1.8μH±20％
2.4μH±20％
3.2μH±20％
4.0μH±20％
D.C.R.(mΩ)
[Max.]
(at 20℃)
2.5(2.1)
3.4(2.8)
4.8(4.0)
7.0(5.9)
8.1(6.8)
9.8(8.2)
11.7(9.8)
15.1(12.6)
Saturation current
（Ａ）※2
(at 20℃)
32.0(40.0)
22.0(27.5)
16.0(20.0)
12.8(16.0)
10.8(13.5)
9.3(11.6)
8.0(10.0)
7.2(9.0)
(at105℃)
26.0(32.5)
18.0(22.5)
13.2(16.5)
10.6(13.2)
8.8(11.0)
7.7(9.6)
6.5(8.1)
5.9(7.4)
Temperature
Rise current
（Ａ）※3
18.0
17.0
13.5
10.8
9.7
8.3
7.5
6.5
Part No.
Stamp
CDEP85NP-R2ØMC-5Ø
CDEP85NP-R45MC-5Ø
CDEP85NP-R8ØMC-5Ø
CDEP85NP-1R2MC-5Ø
CDEP85NP-1R8MC-5Ø
CDEP85NP-2R4MC-5Ø
CDEP85NP-3R2MC-5Ø
CDEP85NP-4RØMC-5Ø
R20MH
R45MH
R80MH
1R2MH
1R8MH
2R4MH
3R2MH
4R0MH
※1.
Measuring condition: at 100 kHz.
※2.
Saturation current: The value of D.C. current when the inductance decreases to 75% 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 5
Revised: 10-Jan-17
SMD Power Inductor
CDEP85
Saturation Current & Temperature Rise Graph
L (20℃)
L (μH)
1. CDEP85NP-R20MC-50
△T
(℃)
L (105℃)
L (μH)
△T
2. CDEP85NP-R45MC-50
△T
(℃)
L (μH)
3. CDEP85NP-R80MC-50
△T
(℃)
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0
L (μH)
60
50
40
30
20
10
0
8
16 24 32
DC (A)
40
48
△T
(℃)
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0
L (μH)
60
50
40
30
20
10
0
8
16
DC (A)
24
32
△T
(℃)
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
L (μH)
60
50
40
30
20
10
0
4
8
12 16
DC (A)
20
24
△T
(℃)
4. CDEP85NP-1R2MC-50
5. CDEP85NP-1R8MC-50
6. CDEP85NP-2R4MC-50
1.8
1.5
1.2
0.9
0.6
0.3
0.0
0
L (μH)
60
50
40
30
20
10
0
4
8
12
DC (A)
16
20
△T
(℃)
2.4
2.0
1.6
1.2
0.8
0.4
0.0
0
L (μH)
60
50
40
30
20
10
0
4
8
DC (A)
12
16
△T
(℃)
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
L (μH)
60
50
40
30
20
10
0
3
6
9
DC (A)
12
15
△T
(℃)
7. CDEP85NP-3R2MC-50
8. CDEP85NP-4R0MC-50
9. CDEP85NP-R35MC-88
3.6
3.0
2.4
1.8
1.2
0.6
0.0
0
L (μH)
60
50
40
30
20
10
0
2
4
6
8
DC (A)
10
12
4.8
4.0
3.2
2.4
1.6
0.8
0.0
0
L (μH)
60
50
40
30
20
10
0
2
4
6
DC (A)
8
10
△T
(℃)
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0
L (μH)
60
50
40
30
20
10
0
5
10
15 20
DC (A)
25
30
10. CDEP85NP-R80MC-88
△T
(℃)
11. CDEP85NP-1R4MC-88
12. CDEP85NP-2R2MC-88
△T
(℃)
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
3
6
9
DC (A)
12
15
18
60
50
40
30
20
10
0
1.8
1.5
1.2
0.9
0.6
0.3
0.0
0
3
6
9
DC (A)
12
15
60
50
40
30
20
10
0
2.4
2.0
1.6
1.2
0.8
0.4
0.0
0
2
4
6
8
DC (A)
10
12
60
50
40
30
20
10
0
Page 3 of 5
Revised: 10-Jan-17
SMD Power Inductor
CDEP85
Saturation Current & Temperature Rise Graph
L (20℃)
L (μH)
13. CDEP85NP-3R2MC-88
△T
(℃)
L (105℃)
L (μH)
△T
14. CDEP85NP-4R3MC-88
△T
(℃)
L (μH)
15. CDEP85NP-5R6MC-88
△T
(℃)
3.6
3.0
2.4
1.8
1.2
0.6
0.0
0
L (μH)
60
50
40
30
20
10
0
2
4
6
DC (A)
8
10
△T
(℃)
4.8
4.0
3.2
2.4
1.6
0.8
0.0
0
L (μH)
60
50
40
30
20
10
0
2
4
6
DC (A)
8
10
6
5
4
3
2
1
0
0
L (μH)
60
50
40
30
20
10
0
2
4
DC (A)
6
8
16. CDEP85NP-7R1MC-88
17. CDEP85NP-R50MC-125
△T
(℃)
18. CDEP85NP-1R1MC-125
△T
(℃)
12
10
8
6
4
2
0
0
L (μH)
60
50
40
30
20
10
0
2
4
DC (A)
6
8
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0
L (μH)
60
50
40
30
20
10
0
4
8
12
DC (A)
16
20
△T
(℃)
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
L (μH)
60
50
40
30
20
10
0
3
6
9 12
DC (A)
15
18
19. CDEP85NP-2R0MC-125
△T
(℃)
20. CDEP85NP-3R1MC-125
21. CDEP85NP-4R5MC-125
△T
(℃)
2.4
2.0
1.6
1.2
0.8
0.4
0.0
0
L (μH)
60
50
40
30
20
10
0
3
6
9
DC (A)
12
15
3.6
3.0
2.4
1.8
1.2
0.6
0.0
0
L (μH)
60
50
40
30
20
10
0
2
4
6
8
DC (A)
10
12
6
5
4
3
2
1
0
0
L (μH)
60
50
40
30
20
10
0
2
4
6
DC (A)
8
10
△T
(℃)
22. CDEP85NP-6R1MC-125
△T
(℃)
23. CDEP85NP-8ROMC-125
△T
(℃)
24. CDEP85NP-100MC-125
9.0
7.5
6.0
4.5
3.0
1.5
0.0
0
2
4
6
DC (A)
8
10
60
50
40
30
20
10
0
12
10
8
6
4
2
0
0
2
4
DC (A)
6
8
60
50
40
30
20
10
0
12
10
8
6
4
2
0
0
2
4
DC (A)
6
8
60
50
40
30
20
10
0
Page 4 of 5
Revised: 10-Jan-17
SMD Power Inductor
CDEP85
Solder Reflow Condition
T (℃)
300
250
200
150
100
50
0
0
60
120
180
240
300
T (s)
Heat Endurance
260℃
230℃
10
60
T (℃)
300
250
200
150
100
50
0
0
60
120
180
240
300 T (s)
170±10
℃,60~120s
Temperature Chart
245℃ PEAK
230℃
40s
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Page 5 of 5
Revised: 10-Jan-17
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