1800R Series
www.murata-ps.com
Radial Lead Inductors
SELECTION GUIDE
Inductance
1
DC Current DC Resistance Q @ f kHz SRF
(1kHz, 0.1VAC)
Order Code
10% Max. Max. Nom. Nom.
H A m Q f MHz
2
18R472C 4.7 5.35 9.0 106 1000 35.1
18R682C 6.8 4.15 12.0 73 500 26.3
18R103C 10.0 3.45 15.0 59 500 23.8
18R153C 15.0 3.00 18.0 55 500 17.0
FEATURES
18R223C 22.0 2.42 25.0 51 500 14.1
RoHS compliant
18R333C 33.0 2.00 40.0 48 500 11.5
Radial format
18R473C 47.0 1.65 55.0 46 500 9.85
18R683C 68.0 1.35 70.0 27 100 8.29
Up to 5.35A IDC
18R104C 100.0 1.20 100.0 40 100 7.40
4.7H to 10mH
18R154C 150.0 1.10 165.0 40 100 5.58
18R224C 220.0 0.90 230.0 39 100 4.00
Low DC resistance
18R254C 250.0 0.80 255.0 40 100 3.85
Compact size
18R334C 330.0 0.73 335.0 49 100 3.57
18R474C 470.0 0.60 465.0 50 100 2.81
MIL-I-23053/5 class III sleeving
18R684C 680.0 0.53 630.0 48 100 2.43
Fully tinned leads
18R105C 1.0mH 0.44 1.0 92 50 1.82
Supplied in packs of 100 18R155C 1.5mH 0.33 1.5 106 50 1.60
18R225C 2.2mH 0.30 2.2 106 50 1.41
Custom & axial parts available
18R335C 3.3mH 0.22 3.5 139 50 1.04
Backward compatible with
18R475C 4.7mH 0.20 4.6 126 40 0.87
Sn/Pb soldering systems
18R685C 6.8mH 0.15 7.0 143 40 0.71
18R106C 10.0mH 0.13 12.0 142 40 0.58
DESCRIPTION
TYPICAL CORE/WIRE CHARACTERISTICS
The 1800R Series of inductors are particularly
Inductance Temperature Resistance Temperature Curie Temperature Saturation Flux
suited to use with a wide variety of switching
Coefcient Coefcient (T ) (B )
C SAT
regulators. Offering high current handling with a
430ppm 4000ppm 190C 325mT
small footprint, the devices are ideal where space
is at a premium.
ABSOLUTE MAXIMUM RATINGS
0C to 70C
Operating free air temperature range
Storage temperature range -55C to 125C
3
SOLDERING INFORMATION
Peak wave solder temperature 300C for 10 seconds
Pin nish Bright tin
All specications typical at T =25C
A
1 Maximum DC current occurs when either the inductance falls to 90% of its nominal value or when its temperature rise reaches 30C,
whichever is sooner.
2 Tolerance 15%.
3 For further information, please visit www.murata-ps.com/rohs
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.
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
11 Cabot Boulevard, Manseld, MA 02048-1151 U.S.A.
the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specications are subject to change without
ISO 9001 and 14001 REGISTERED notice. 2014 Murata Power Solutions, Inc.
www.murata-ps.com/support
KMP_1800RC_B06 Page 2 of 2