www.murata-ps.com
1800R Series
Radial Lead Inductors
SELECTION GUIDE
Inductance
(1kHz, 0.1V
AC
)
±10%
μH
18R472C
18R682C
18R103C
18R153C
18R223C
18R333C
18R473C
18R683C
18R104C
18R154C
18R224C
18R254C
18R334C
18R474C
18R684C
18R105C
18R155C
18R225C
18R335C
18R475C
18R685C
18R106C
4.7
6.8
10.0
15.0
22.0
33.0
47.0
68.0
100.0
150.0
220.0
250.0
330.0
470.0
680.0
1.0mH
1.5mH
2.2mH
3.3mH
4.7mH
6.8mH
10.0mH
2
DC Current
1
Max.
A
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
DC Resistance
Max.
mΩ
9.0
12.0
15.0
18.0
25.0
40.0
55.0
70.0
100.0
165.0
230.0
255.0
335.0
465.0
630.0
1.0Ω
1.5Ω
2.2Ω
3.5Ω
4.6Ω
7.0Ω
12.0Ω
Q @ f kHz
Nom.
Q
106
73
59
55
51
48
46
27
40
40
39
40
49
50
48
92
106
106
139
126
143
142
SRF
Nom.
MHz
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
Order Code
f
1000
500
500
500
500
500
500
100
100
100
100
100
100
100
100
50
50
50
50
40
40
40
FEATURES
RoHS compliant
Radial format
Up to 5.35A I
DC
4.7μH to 10mH
Low DC resistance
Compact size
MIL-I-23053/5 class III sleeving
Fully tinned leads
Supplied in packs of 100
Custom & axial parts available
Backward compatible with
Sn/Pb soldering systems
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.
TYPICAL CORE/WIRE CHARACTERISTICS
Inductance Temperature
Coefficient
430ppm
Resistance Temperature
Coefficient
4000ppm
Curie Temperature
(T
C
)
190°C
Saturation Flux
(B
SAT
)
325mT
ABSOLUTE MAXIMUM RATINGS
Operating free air temperature range
Storage temperature range
0°C to 70°C
-55°C to 125°C
SOLDERING INFORMATION
3
Peak wave solder temperature
Pin finish
All specifications typical at T
A
=25°C
1 Maximum DC current occurs when either the inductance falls to 90% of its nominal value or when its temperature rise reaches 30°C,
whichever is sooner.
2 Tolerance ±15%.
3 For further information, please visit www.murata-ps.com/rohs
300˚C for 10 seconds
Bright tin
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com/support
KMP_1800RC_B06
Page 1 of 2
1800R Series
Radial Lead Inductors
PACKAGE SPECIFICATIONS
MECHANICAL DIMENSIONS
RECOMMENDED FOOTPRINT DETAILS
All dimensions in mm (inches)
All dimensions in mm (inches). Package weight 4.6g Typ.
Murata Power Solutions, Inc.
11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A.
ISO 9001 and 14001 REGISTERED
Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other
technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply
the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without
notice.
© 2014 Murata Power Solutions, Inc.
www.murata-ps.com/support
KMP_1800RC_B06
Page 2 of 2
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