PIN Power Inductor
RCH-108
Description
• Ferrite drum core construction.
• Magnetically unshielded.
• L×W×H: 10.5×10.5×8.5mm Max.
• Product weight: 2.4g(Ref.)
• Moisture Sensitivity Level: 1
• RoHS compliance.
Environmental Data
• Operating temperature range: -40℃½+100℃
(including coil’s self temperature rise)
• Storage temperature range: -40℃½+100℃
5.0±0.3
RoHS
Dimension - [mm]
40 03
. ±.
+0.1
φ0.7-0.05
Packaging
• Box packaging.
Applications
• Ideally used in Printers, LCD TV, DVD, Copy
Machine, Mainboard of the compounding
machines etc. as DC-DC Converter inductors.
80 05
. ±.
±.
10
35
.
φ0 0 0 5
1 . ±.
Schematics - [mm] (bottom view)
②
③
②
③
①
④
①
④
(2.2μH½15μH)
(18μH½1.0mH)
Page 1 of 5
Revised: 10-Jan-17
PIN Power Inductor
RCH-108
Electrical Characteristics
PART NO.
STAMP
INDUCTANCE
[WITHIN]
※1
2.2μH ± 20 %
2.7μH ± 20 %
3.7μH ± 20 %
4.7μH ± 20 %
6.2μH ± 20 %
8.2μH ± 20 %
10μH ± 20 %
12μH ± 20 %
15μH ± 20 %
18μH ± 20 %
22μH ± 20 %
27μH ± 20 %
33μH ± 10 %
39μH ± 10 %
47μH ± 10 %
56μH ± 10 %
68μH ± 10 %
82μH ± 10 %
100μH ± 10 %
120μH ± 10 %
150μH ± 10 %
180μH ± 10 %
220μH ± 10 %
270μH ± 10 %
330μH ± 10 %
390μH ± 10 %
470μH ± 10 %
560μH ± 10 %
680μH ± 10 %
820μH ± 10 %
1.0mH ± 10 %
Ｄ.Ｃ.Ｒ.
(Ω)
[MAX.]
(at 20℃)
8.5m
9.6m
10.9
11.7m
15.3m
17.0m
0.027
0.031
0.036
0.049
0.055
0.062
0.079
0.087
0.099
0.13
0.14
0.16
0.21
0.24
0.32
0.35
0.45
0.61
0.69
0.78
1.0
1.2
1.4
1.8
2.1
RATED
CURRENT
(Ａ)
※2
7.9
7.2
6.3
5.7
5.3
5.0
4.5
4.1
3.7
3.4
3.1
2.8
2.5
2.3
2.1
1.9
1.7
1.6
1.4
1.3
1.2
1.1
0.96
0.87
0.79
0.72
0.66
0.60
0.55
0.50
0.45
RCH108NP-2R2M
RCH108NP-2R7M
RCH108NP-3R7M
RCH108NP-4R7M
RCH108NP-6R2M
RCH108NP-8R2M
RCH108NP-100M
RCH108NP-120M
RCH108NP-150M
RCH108NP-180M
RCH108NP-220M
RCH108NP-270M
RCH108NP-330K
RCH108NP-390K
RCH108NP-470K
RCH108NP-560K
RCH108NP-680K
RCH108NP-820K
RCH108NP-101K
RCH108NP-121K
RCH108NP-151K
RCH108NP-181K
RCH108NP-221K
RCH108NP-271K
RCH108NP-331K
RCH108NP-391K
RCH108NP-471K
RCH108NP-561K
RCH108NP-681K
RCH108NP-821K
RCH108NP-102K
2R2M
2R7M
3R7M
4R7M
6R2M
8R2M
100M
120M
150M
180M
220M
270M
330K
390K
470K
560K
680K
820K
101K
121K
151K
181K
221K
271K
331K
391K
471K
561K
681K
821K
102K
※1:
Inductance measuring condition: 2.2μH½8.2μH
at 7.96MHz
10μH½1.0mH
at 1kHz
※2:
The rated current indicates the lower value of current when the inductance is 10% lower than its initial value at D.C.
superposition or the temperature of coil rises 40℃ with D.C. current passing. (Ta＝20℃)
Page 2 of 5
Revised: 10-Jan-17
PIN Power Inductor
RCH-108
Saturation Current & Temperature Rise Graph
L (20℃)
48
40
32
24
16
8
0
0
1
2
3
4
△T
(℃)
60
13. RCH108NP-330K
L (μH)
△T
(℃)
L (100℃)
60
50
40
30
20
10
0
48
40
32
24
16
8
0
0
L (μH)
90
L (μH)
△T
14. RCH108NP-390K
△T
(℃)
60
50
40
30
20
10
0
L (μH)
60
15. RCH108NP-470K
△T
(℃)
60
50
40
30
20
10
0
0
L (μH)
90
50
40
30
20
10
0
1
2
3
4
△T
(℃)
60
1
2
3
4
△T
(℃)
60
DC (A)
16. RCH108NP-560K
L (μH)
90
DC (A)
17. RCH108NP-680K
DC (A)
18. RCH108NP-820K
75
60
45
30
15
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0
50
40
30
20
10
0
75
60
45
30
15
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0
50
40
30
20
10
0
75
60
45
30
15
0
0.0 0.5 1.0
L (μH)
180
50
40
30
20
10
0
1.5 2.0 2.5 3.0
DC (A)
19. RCH108NP-101K
L (μH)
120
△T
(℃)
60
L (μH)
180
DC (A)
20. RCH108NP-121K
△T
(℃)
60
DC (A)
21. RCH108NP-151K
△T
(℃)
60
100
80
60
40
20
0
0.0
0.5
1.0
1.5
2.0
2.5
50
40
30
20
10
0
150
120
90
60
30
0
0.0
L (μH)
300
50
40
30
20
10
0
0.5
1.0
1.5
2.0
2.5
△T
(℃)
60
150
120
90
60
30
0
0.0
L (μH)
300
50
40
30
20
10
0
0.5
1.0
1.5
2.0
2.5
△T
(℃)
60
DC (A)
22. RCH108NP-181K
L (μH)
300
△T
(℃)
60
DC (A)
23. RCH108NP-221K
DC (A)
24. RCH108NP-271K
250
200
150
100
50
0
0.0
0.5
1.0
1.5
2.0
50
40
30
20
10
0
250
200
150
100
50
0
0.0
0.3
0.6
0.9
1.2
1.5
50
40
30
20
10
0
250
200
150
100
50
0
0.0
0.3
0.6
0.9
1.2
1.5
50
40
30
20
10
0
DC (A)
DC (A)
DC (A)
Page 4 of 5
Revised: 10-Jan-17
PIN Power Inductor
RCH-108
Saturation Current & Temperature Rise Graph
L (20℃)
25. RCH108NP-331K
L (μH)
480
△T
(℃)
60
L (100℃)
L (μH)
480
△T
26. RCH108NP-391K
△T
(℃)
60
L (μH)
600
27. RCH108NP-471K
△T
(℃)
60
400
320
240
160
80
0
0.0
0.3
0.6
50
40
30
20
10
0
400
320
240
160
80
0
0.0
L (μH)
900
50
40
30
20
10
0
0.3
0.6
0.9
1.2
1.5
△T
(℃)
60
500
400
300
200
100
0
0.0 0.2 0.4 0.6 0.8 1.0 1.2
50
40
30
20
10
0
DC (A)
0.9
1.2
1.5
△T
(℃)
60
DC (A)
29. RCH108NP-681K
L (μH)
900
DC (A)
30. RCH108NP-821K
△T
(℃)
60
28. RCH108NP-561K
L (μH)
600
500
400
300
200
100
0
0.0
0.2
0.4
0.6
0.8
1.0
50
40
30
20
10
0
750
600
450
300
150
0
0.0
0.2
0.4
50
40
30
20
10
0
750
600
450
300
150
0
0.0
0.2
0.4
0.6
0.8
50
40
30
20
10
0
DC (A)
31. RCH108NP-102K
L (μH)
1200
△T
(℃)
60
DC (A)
0.6
0.8
1.0
DC (A)
1000
800
600
400
200
0
0.0
0.2
0.4
0.6
0.8
50
40
30
20
10
0
DC (A)
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Page 5 of 5
Revised: 10-Jan-17
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