1800R SERIES
Radial Lead Inductors
SELECTION GUIDE
Nominal Self
DC
Resistance
DC Current
Continuous
Nominal Q
at f kHz
Resonant
Inductance
Frequency
10ꢀ (at 1kHz)
µH
mW
MAX
A
MAX
Q
f
MHz
Order Code
18R472
4.71
9
5.35
4.15
3.45
3.00
2.42
2.00
1.65
1.35
1.20
1.10
0.90
0.80
0.73
0.60
0.53
0.44
0.33
0.30
0.22
0.20
0.15
0.13
106 1000
35.1
26.3
23.8
17.0
14.1
11.5
9.85
8.29
7.40
5.58
4.00
3.85
3.57
2.81
2.43
1.82
1.60
1.41
1.04
0.87
0.71
0.58
18R682
18R103
18R153
18R223
18R333
18R473
18R683
18R104
18R154
18R224
18R254
18R334
18R474
18R684
18R105
18R155
18R225
18R335
18R475
18R685
18R106
6.8
12
73
59
500
500
500
500
500
500
100
100
100
100
100
100
100
100
50
10
15
15
18
55
FEATURES
■ Radial Format
■ Up to 5.35A IDC
■ 4.7µH to 10mH
■ Low DC Resistance
■ Compact Size
■ Fully Tinned Leads
■ MIL-I-23053/5 Class III Sleeving
■ Supplied in packs of 10
■ Custom & Axial Parts Available
22
25
51
33
40
48
47
55
46
68
70
27
100
150
220
250
330
470
680
1mH
1.5mH
2.2mH
3.3mH
4.7mH
6.8mH
10mH
100
165
230
255
335
465
630
1.0W
1.5W
2.2W
3.5W
4.6W
7.0W
12W
40
40
39
DESCRIPTION
The 1800R Series of inductors are
particularly suited to use with a wide variety
of switching regulators. Offering high current
handling with a small footprint, the devices
are ideal where space is at a premium.
40
49
50
48
92
106
106
139
126
143
142
50
50
50
40
40
40
TYPICAL CORE CHARACTERISTICS
Inductance
Temperature
Coefficient
Resistance
Temperature
Coefficient
Curie
Saturation
Temperature
Flux
TC
BSAT
430ppm
4000ppm
190°C
325mT
ABSOLUTE MAXIMUM RATINGS
Operating free air temperature range
Storage temperature range
0°C to 70°C
–55°C to 125°C
1
Tolerance 15ꢀ
Specifications typical at TA =25°C
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