PIN Power Inductor
RCH-875
Description
• Ferrite drum core construction.
• Magnetically unshielded.
• L×W×H: 8.3×8.3×7.5mm Max.
• Product weight: 1.13g(Ref.)
• Moisture Sensitivity Level: 1
• RoHS compliance.
RoHS
Environmental Data
• Operating temperature range: -40℃~+100℃
(including coil’s self temperature rise)
• Storage temperature range: -40℃~+100℃
MAX.7.5
±
1.0
5.0
±0.3
5.0
+0.1
φ0.7-0.05
Dimension - [mm]
φ
7.8±
0.5
Packaging
• Box packaging.
Applications
• Ideally Used in Printers, LCD TV, DVD, Printer,
Copy Machine, Main board of the compounding
machines, etc as DC-DC Converter inductors.
Schematics - [mm]
Page 1 of 7
Revised: 10-Jan-17
PIN Power Inductor
RCH-875
Electrical Characteristics
Part Name
Stamp
Inductance
(μH)
[ within ] ※1
D.C.R (Ω)
[Max.]
(at20℃)
RCH875NP-2R2M
2R2M
2.2 ± 20%
13.7m
5.8
3.0
RCH875NP-2R8M
2R8M
2.8 ± 20%
15.3m
5.0
2.9
RCH875NP-3R5M
3R5M
3.5 ± 20%
17.2m
4.7
2.8
RCH875NP-4R4M
4R4M
4.4 ± 20%
19.1m
4.5
2.7
RCH875NP-5R1M
5R1M
5.1 ± 20%
21.2m
4.2
2.6
RCH875NP-6R0M
6R0M
6.0 ± 20%
22.2m
4.0
2.5
RCH875NP-7R1M
7R1M
7.1 ± 20%
24.2m
3.4
2.3
RCH875NP-8R2M
8R2M
8.2 ± 20%
26.5m
3.1
2.2
RCH875NP-100M
100M
10 ± 20%
0.05
2.9
2.1
RCH875NP-120M
120M
12 ± 20%
0.06
2.5
1.8
RCH875NP-150K
150K
15 ± 10%
0.07
2.2
1.4
RCH875NP-180K
180K
18 ± 10%
0.08
1.9
1.3
RCH875NP-220K
220K
22 ± 10%
0.09
1.8
1.2
RCH875NP-270K
270K
27 ± 10%
0.11
1.7
1.0
RCH875NP-330K
330K
33 ± 10%
0.13
1.5
1.0
RCH875NP-390K
390K
39 ± 10%
0.14
1.3
0.95
RCH875NP-470K
470K
47 ± 10%
0.15
1.3
0.90
RCH875NP-560K
560K
56 ± 10%
0.18
1.2
0.73
RCH875NP-680K
680K
68 ± 10%
0.20
1.1
0.68
RCH875NP-820K
820K
82 ± 10%
0.24
1.0
0.63
RCH875NP-101K
101K
100 ± 10%
0.35
0.89
0.59
RCH875NP-121K
121K
120 ± 10%
0.36
0.81
0.50
RCH875NP-151K
151K
150 ± 10%
0.42
0.72
0.46
RCH875NP-181K
181K
180 ± 10%
0.57
0.66
0.41
RCH875NP-221K
221K
220 ± 10%
0.63
0.57
0.38
RCH875NP-271K
271K
270 ± 10%
0.88
0.51
0.32
RCH875NP-331K
331K
330 ± 10%
1.05
0.46
0.30
RCH875NP-391K
391K
390 ± 10%
1.17
0.44
0.29
Page 2 of 7
Saturation Current
(A) ※2
Temperature
Rise Current
(A) ※3
Revised: 10-Jan-17
PIN Power Inductor
RCH-875
Electrical Characteristics
Part Name
Stamp
Inductance
(μH)
[ within ] ※1
D.C.R. (Ω)
[ Max. ]
(at20℃)
Saturation Current
(A) ※2
Temperature
Rise Current
(A) ※3
RCH875NP-471K
471K
470 ± 10%
1.34
0.41
0.28
RCH875NP-561K
561K
560 ± 10%
1.72
0.36
0.23
RCH875NP-681K
681K
680 ± 10%
1.96
0.33
0.22
RCH875NP-821K
821K
820 ± 10%
2.56
0.30
0.19
RCH875NP-102K
102K
1.0mH ± 10%
2.94
0.27
0.18
RCH875NP-122K
122K
1.2mH ± 10%
4.04
0.24
0.16
RCH875NP-152K
152K
1.5mH ± 10%
4.70
0.22
0.15
RCH875NP-182K
182K
1.8mH ± 10%
5.05
0.20
0.14
RCH875NP-222K
222K
2.2mH ± 10%
6.25
0.18
0.13
RCH875NP-272K
272K
2.7mH ± 10%
8.72
0.16
0.10
RCH875NP-332K
332K
3.3mH ± 10%
10.6
0.15
95m
RCH875NP-392K
392K
3.9mH ± 10%
14.2
0.14
81m
RCH875NP-472K
472K
4.7mH ± 10%
16.7
0.12
74m
RCH875NP-562K
562K
5.6mH ± 10%
18.7
0.11
69m
RCH875NP-682K
682K
6.8mH ± 10%
21.8
0.10
67m
RCH875NP-822K
822K
8.2mH ± 10%
28.7
93m
63m
RCH875NP-103K
103K
10mH ± 10%
33.0
84m
54m
2.2μH ~8.2μH at 7.96MHz
10μH ~ 82μH at 2.52MHz
100μH ~10mH at 1 kHz
※2: Saturation current: The DC current at which the inductance decreases to 90% of it’s initial value.
※3: Temperature rise current: The DC current at which the temperature rise is △t=20℃.(Ta=20℃).
※1: Inductance measuring frequency:
Page 3 of 7
Revised: 10-Jan-17
PIN Power Inductor
RCH-875
Saturation Current & Temperature Rise Graph
L (20℃)
△T
L (100℃)
1. RCH875NP-2R2M
L (μH)
△T (℃)
L (μH)
2. RCH875NP-2R8M
△T (℃)
L (μH)
3. RCH875NP-3R5M
△T (℃)
3.0
60
3.6
60
3.6
60
2.5
50
3.0
50
3.0
50
2.0
40
2.4
40
2.4
40
1.5
30
1.8
30
1.8
30
1.0
20
1.2
20
1.2
20
0.5
10
0.6
10
0.6
10
0
0.0
0
0.0
0.0
0
2
4
6
DC (A)
8
10
4. RCH875NP-4R4M
L (μH)
0
△T (℃)
L (μH)
2
4
6
DC (A)
8
0
10
5. RCH875NP-5R1M
0
△T (℃)
L (μH)
2
4
DC (A)
6
8
6. RCH875NP-6R0M
△T (℃)
4.8
60
6
60
6
60
4.0
50
5
50
5
50
3.2
40
4
40
4
40
2.4
30
3
30
3
30
1.6
20
2
20
2
20
0.8
10
1
10
1
10
0
0
0
0
0.0
0
2
4
DC (A)
6
8
7. RCH875NP-7R1M
L (μH)
0
△T (℃)
2
L (μH)
4
DC (A)
6
0
8
8. RCH875NP-8R2M
0
△T (℃)
2
L (μH)
4
DC (A)
6
8
9. RCH875NP-100M
△T (℃)
9.0
60
9.0
60
12
60
7.5
50
7.5
50
10
50
6.0
40
6.0
40
8
40
4.5
30
4.5
30
6
30
3.0
20
3.0
20
4
20
1.5
10
1.5
10
2
10
0
0.0
0
0
0
0.0
0
1
2
3
DC (A)
4
5
10. RCH875NP-120M
L (μH)
6
0
△T (℃)
L (μH)
1
2
3
4
DC (A)
5
11. RCH875NP-150K
6
0
△T (℃)
L (μH)
1
2
3
DC (A)
4
12. RCH875NP-180K
5
△T (℃)
18
60
18
60
24
60
15
50
15
50
20
50
12
40
12
40
16
40
9
30
9
30
12
30
6
20
6
20
8
20
3
10
3
10
4
10
0
0
0
0
0
0
1
2
3
DC (A)
4
5
0
1
2
DC (A)
Page 4 of 7
3
4
0
0
1
2
DC (A)
3
Revised: 10-Jan-17
4
PIN Power Inductor
RCH-875
Saturation Current & Temperature Rise Graph
L (20℃)
13. RCH875NP-220K
L (μH)
△T
L (100℃)
△T (℃)
L (μH)
14. RCH875NP-270K
△T (℃)
L (μH)
15. RCH875NP-330K
△T (℃)
30
60
30
60
48
60
25
50
25
50
40
50
20
40
20
40
32
40
15
30
15
30
24
30
10
20
10
20
16
20
5
10
5
10
8
10
0
0
0
0
0
0.0 0.6 1.2 1.8 2.4 3.0 3.6
0.0 0.5 1.0 1.5 2.0 2.5 3.0
DC (A)
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0
DC (A)
DC (A)
16. RCH875NP-390K
L (μH)
△T (℃)
L (μH)
17. RCH875NP-470K
△T (℃)
L (μH)
18. RCH875NP-560K
△T (℃)
48
60
60
60
90
60
40
50
50
50
75
50
32
40
40
40
60
40
24
30
30
30
45
30
16
20
20
20
30
20
8
10
10
10
15
10
0
0
0
0
0
0
0.0
0.5
1.0
1.5
2.0
0.0 0.4 0.8 1.2 1.6 2.0 2.4
DC (A)
2.5
DC (A)
19. RCH875NP-680K
L (μH)
△T (℃)
L (μH)
20. RCH875NP-820K
0.0 0.4 0.8 1.2 1.6 2.0 2.4
DC (A)
△T (℃)
L (μH)
21. RCH875NP-101K
△T (℃)
90
60
120
60
120
60
75
50
100
50
100
50
60
40
80
40
80
40
45
30
60
30
60
30
30
20
40
20
40
20
15
10
20
10
20
10
0
0
0
0
0
0
0.0
0.4
0.8 1.2
DC (A)
1.6
22. RCH875NP-121K
L (μH)
2.0
0.0 0.3 0.6 0.9 1.2 1.5 1.8
DC (A)
△T (℃)
L (μH)
23. RCH875NP-151K
0.0
△T (℃)
L (μH)
0.4
0.8
DC (A)
1.2
24. RCH875NP-181K
1.6
△T (℃)
180
60
180
60
240
60
150
50
150
50
200
50
120
40
120
40
160
40
90
30
90
30
120
30
60
20
60
20
80
20
30
10
30
10
40
10
0
0
0
0
0
0.0
0.3
0.6 0.9
DC (A)
1.2
1.5
0.0
0.3
0.6 0.9
DC (A)
Page 5 of 7
1.2
1.5
0
0.0 0.2 0.4 0.6 0.8 1.0 1.2
DC (A)
Revised: 10-Jan-17
PIN Power Inductor
RCH-875
Saturation Current & Temperature Rise Graph
L (20℃)
25. RCH875NP-221K
L (μH)
△T
L (100℃)
△T (℃)
L (μH)
26. RCH875NP-271K
△T (℃)
L (μH)
27. RCH875NP-331K
△T (℃)
300
60
300
60
480
60
250
50
250
50
400
50
200
40
200
40
320
40
150
30
150
30
240
30
100
20
100
20
160
20
50
10
50
10
80
10
0
0
0
0
0
0.0
0.2
0.4 0.6
DC (A)
0.8
28. RCH875NP-391K
L (μH)
1.0
0.0
△T (℃)
L (μH)
0.2
0.4 0.6
DC (A)
0.8
29. RCH875NP-471K
1.0
0
0.0
△T (℃)
L (μH)
0.2
0.4
DC (A)
0.6
30. RCH875NP-561K
0.8
△T (℃)
480
60
600
60
900
60
400
50
500
50
750
50
320
40
400
40
600
40
240
30
300
30
450
30
160
20
200
20
300
20
80
10
100
10
150
10
0
0
0.0
0.2
0.4
DC (A)
0.6
0.8
0
0
0.0
0.2
0.4
0.6
0.8
0
0
0.0
0.2
DC (A)
31. RCH875NP-681K
L (μH)
△T (℃)
L (μH)
0.4
0.6
0.8
DC (A)
32. RCH875NP-821K
△T (℃)
L (μH)
33. RCH875NP-102K
△T (℃)
900
60
1200
60
1200
60
750
50
1000
50
1000
50
600
40
800
40
800
40
450
30
600
30
600
30
300
20
400
20
400
20
150
10
200
10
200
10
0
0
0
0.0 0.1 0.2 0.3 0.4 0.5 0.6
0
0.0
0.1
DC (A)
0.2
0.3
0.4
0
0.5
0
0.0
0.1
34. RCH875NP-122K
L (μH)
1800
△T (℃)
60
L (μH)
1800
0.2
0.3
0.4
0.5
DC (A)
DC (A)
35. RCH875NP-152K
△T (℃)
60
L (μH)
2400
36. RCH875NP-182K
△T (℃)
60
1500
50
1500
50
2000
50
1200
40
1200
40
1600
40
900
30
900
30
1200
30
600
20
600
20
800
20
300
10
300
10
400
10
0
0
0.0
0.1
0.2
0.3
DC (A)
0.4
0.5
0
0
0.0
0.1
0.2
DC (A)
Page 6 of 7
0.3
0.4
0
0
0.0
0.1
0.2
0.3
DC (A)
Revised: 10-Jan-17
0.4
PIN Power Inductor
RCH-875
Saturation Current & Temperature Rise Graph
L (20℃)
37. RCH875NP-222K
L (μH)
3000
△T
L (100℃)
△T (℃)
60
L (μH)
38. RCH875NP-272K
△T (℃)
L (μH)
39. RCH875NP-332K
△T (℃)
3600
60
4800
60
2500
50
3000
50
4000
50
2000
40
2400
40
3200
40
1500
30
1800
30
2400
30
1000
20
1200
20
1600
20
500
10
600
10
800
10
0
0
0.0
0.1
0.2
0.3
0
0.4
DC (A)
40. RCH875NP-392K
L (μH)
0
0.00
△T (℃)
L (μH)
0.08
0.16 0.24
DC (A)
41. RCH875NP-472K
0
0.32
△T (℃)
0
0.00 0.05 0.10 0.15 0.20 0.25
DC (A)
L (μH)
42. RCH875NP-562K
△T (℃)
4800
60
6000
60
9000
60
4000
50
5000
50
7500
50
3200
40
4000
40
6000
40
2400
30
3000
30
4500
30
1600
20
2000
20
3000
20
800
10
1000
10
1500
10
0
0
0.00 0.05 0.10 0.15 0.20 0.25
DC (A)
43. RCH875NP-682K
L (μH)
△T (℃)
0
0
0.00 0.05 0.10 0.15 0.20 0.25
DC (A)
L (μH)
44. RCH875NP-822K
0
0
0.00 0.05 0.10 0.15 0.20 0.25
DC (A)
△T (℃)
L (μH)
45. RCH875NP-103K
△T (℃)
9000
60
9000
60
12000
60
7500
50
7500
50
10000
50
6000
40
6000
40
8000
40
4500
30
4500
30
6000
30
3000
20
3000
20
4000
20
1500
10
1500
10
2000
10
0
0
0.00 0.04 0.08 0.12 0.16 0.20
DC (A)
0
0
0.00 0.04 0.08 0.12 0.16 0.20
DC (A)
0
0
0.00
0.04 0.08
DC (A)
0.12
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Page 7 of 7
Revised: 10-Jan-17
0.16
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