KMP_1800RC_B05 Page 1 of 2
1800R Series
Radial Lead Inductors
www.murata-ps.com
www.murata-ps.com/support
For full details go to
www.murata-ps.com/rohs
FEATURES
n RoHS compliant
n Radial format
n Up to 5.35A IDC
n 4.7μH to 10mH
n Low DC resistance
n Compact size
n MIL-I-23053/5 class III sleeving
n Fully tinned leads
n Supplied in packs of 100
n Custom & axial parts available
n 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.
SELECTION GUIDE
Order Code
Inductance
(1kHz, 0.1VAC)
DC Current
1
DC Resistance Q @ f kHz SRF
±10% Max. Max. Nom. Nom.
μH A mΩ Q f MHz
18R472C 4.7
2
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
18R223C 22.0 2.42 25.0 51 500 14.1
18R333C 33.0 2.00 40.0 48 500 11.5
18R473C 47.0 1.65 55.0 46 500 9.85
18R683C 68.0 1.35 70.0 27 100 8.29
18R104C 100.0 1.20 100.0 40 100 7.40
18R154C 150.0 1.10 165.0 40 100 5.58
18R224C 220.0 0.90 230.0 39 100 4.00
18R254C 250.0 0.80 255.0 40 100 3.85
18R334C 330.0 0.73 335.0 49 100 3.57
18R474C 470.0 0.60 465.0 50 100 2.81
18R684C 680.0 0.53 630.0 48 100 2.43
18R105C 1.0mH 0.44 1.0Ω 92 50 1.82
18R155C 1.5mH 0.33 1.5Ω 106 50 1.60
18R225C 2.2mH 0.30 2.2Ω 106 50 1.41
18R335C 3.3mH 0.22 3.5Ω 139 50 1.04
18R475C 4.7mH 0.20 4.6Ω 126 40 0.87
18R685C 6.8mH 0.15 7.0Ω 143 40 0.71
18R106C 10.0mH 0.13 12.0Ω 142 40 0.58
TYPICAL CORE/WIRE CHARACTERISTICS
Inductance Temperature
Coefficient
Resistance Temperature
Coefficient
Curie Temperature
(T
C
)
Saturation Flux
(B
SAT
)
430ppm 4000ppm 190°C 325mT
ABSOLUTE MAXIMUM RATINGS
Operating free air temperature range
0°C to 70°C
Storage temperature range
-55°C to 125°C
SOLDERING INFORMATION
3
Peak wave solder temperature
300˚C for 10 seconds
Pin finish
Bright tin
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
