TYPE
Fixed Inductors
8RHB
101
TYPE 8RHB
Inductance Range:
1.0-1000µH
Temperature Coefficient:
400ppm/°C, max.
Features
• Ideal as a choke coil for noise filtering and DC/DC
convertor applications.
Note: Taped form is Type 8RHT (see complete specification on page 102).
STANDARD PARTS SELECTION GUIDE
(1) Q and Inductance are measured by Q meter YHP-4343B or
equivalent.
(2) The rated DC current is that which the inductance value
decreases 10% by the excitation DC current, measured
at 1KHz by Precision LCR meter 4284A (hp) or equivalent.
(3) The rated DC current which the part temperature rises 20°C
by the excitation DC current from room temperature (20°).
(4) SRF is measured by Network Analyzer 3577A (hp), MS560J
(Anritsu) or equivalent.
(5) DC Resistance is measured by Digital Multimeter TR6871
(Advantest) or equivalent.
(6) SRF is for reference only.
TYPE 8RHB
TOKO
Part
Number
R622LY-1R0M
R622LY-1R5M
R622LY-2R2M
R622LY-3R3M
R622LY-4R7M
R622LY-6R8M
R622LY-100K
R622LY-120K
R622LY-150K
R622LY-180K
R622LY-220K
R622LY-270K
R622LY-330K
R622LY-390K
R622LY-470K
R622LY-560K
R622LY-680K
R622LY-820K
R622LY-101K
R622LY-121K
R622LY-151K
R622LY-181K
R622LY-221K
R622LY-271K
R622LY-331K
R622LY-391K
R622LY-471K
R622LY-561K
R622LY-681K
R622LY-821K
R622LY-102K
Inductance
L (µH)
1.0±20%
1.5±20%
2.2±20%
3.3±20%
4.7±20%
6.8±20%
10±10%
12±10%
15±10%
18±10%
22±10%
27±10%
33±10%
39±10%
47±10%
56±10%
68±10%
82±10%
100±10%
120±10%
150±10%
180±10%
220±10%
270±10%
330±10%
390±10%
470±10%
560±10%
680±10%
820±10%
1,000±10%
Q
(1)
(min.)
20
20
20
20
20
20
50
50
50
40
40
40
30
30
30
30
30
30
20
20
20
20
20
20
20
20
20
20
20
20
50
Test
Frequency of
L, Qu (MHz)
7.96
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.252
DC
Resistance
(Ω) max.
0.013
0.016
0.021
0.025
0.030
0.035
0.045
0.050
0.056
0.061
0.070
0.080
0.090
0.10
0.17
0.20
0.22
0.25
0.28
0.32
0.54
0.60
0.68
0.80
0.90
1.2
1.37
1.53
2.0
2.7
2.96
(5)
Rated DC
Current
(2)
(A) max.
10
8.5
6.5
5.5
4.3
3.7
3.0
2.6
2.3
2.2
2.0
1.7
1.6
1.5
1.4
1.3
1.2
1.1
0.91
0.84
0.75
0.69
0.64
0.57
0.54
0.48
0.46
0.41
0.38
0.35
0.29
Rated DC
Current
(3)
(A) max.
3.71
3.32
3.15
2.66
2.27
2.10
1.96
1.82
1.75
1.54
1.29
1.22
1.17
1.14
0.79
0.76
0.70
0.67
0.58
0.56
0.42
0.40
0.38
0.35
0.33
0.28
0.25
0.23
0.21
0.18
0.16
Self Resonant
Frequency
(4), (6)
(MHz) min.
150
130
100
79
51
29
14
13
12
11
9.2
8.5
1.8
6.9
6.5
5.4
4.9
4.1
3.7
3.4
3.2
2.8
2.7
2.4
2.3
2.1
1.9
1.8
1.6
1.5
1.3
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