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