KMP_1800C_B04 Page 1 of 2
1800 Series
Axial Lead Inductors
www.murata-ps.com
www.murata-ps.com/support
For full details go to
www.murata-ps.com/rohs
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
18472C 4.7 5.35 9.0 112 1000 36.4
18682C 6.8 4.15 12.0 78 500 23.6
18103C 10.0 3.45 15.0 64 500 19.0
18153C 15.0 3.00 18.0 55 500 15.9
18223C 22.0 2.42 25.0 59 500 11.8
18333C 33.0 2.00 40.0 48 500 11.5
18473C 47.0 1.65 55.0 55 500 8.5
18683C 68.0 1.35 70.0 31 100 6.6
18104C 100.0 1.20 100.0 40 100 7.4
18154C 150.0 1.10 165.0 47 100 4.4
18224C 220.0 0.90 230.0 46 100 3.5
18254C 250.0 0.80 255.0 50 100 3.7
18334C 330.0 0.73 335.0 58 100 3.0
18474C 470.0 0.60 465.0 56 100 2.2
18684C 680.0 0.53 630.0 55 100 2.0
18105C 1.0mH 0.44 1.0Ω 94 50 1.6
18155C 1.5mH 0.33 1.5Ω 107 50 1.3
18225C 2.2mH 0.30 2.2Ω 108 50 1.1
18335C 3.3mH 0.22 3.5Ω 143 50 0.8
18475C 4.7mH 0.20 4.6Ω 128 40 0.7
18685C 6.8mH 0.15 7.0Ω 144 40 0.6
18106C 10.0mH 0.13 12.0Ω 143 40 0.5
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
2
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 For further information, please visit www.murata-ps.com/rohs
FEATURES
n RoHS compliant
n Axial 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 10
n Custom & radial parts available
n Backward compatible with
Sn/Pb soldering systems
DESCRIPTION
The 1800 Series of inductors are particularly
suited to use with a wide variety of switching
regulators. Offering high current handling with a
low mounting height, the devices are ideal where
space is at a premium.
