1800 Series www.murata-ps.com Axial Lead Inductors SELECTION GUIDE Order Code 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. Inductance (1kHz, 0.1VAC) DC Current1 DC Resistance ±10% μH Max. A Max. mΩ Q 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 112 78 64 55 59 48 55 31 40 47 46 50 58 56 55 94 107 108 143 128 144 143 18472C 18682C 18103C 18153C 18223C 18333C 18473C 18683C 18104C 18154C 18224C 18254C 18334C 18474C 18684C 18105C 18155C 18225C 18335C 18475C 18685C 18106C 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 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 Q @ f kHz SRF Nom. f Nom. MHz 1000 500 500 500 500 500 500 100 100 100 100 100 100 100 100 50 50 50 50 40 40 40 36.4 23.6 19.0 15.9 11.8 11.5 8.5 6.6 7.4 4.4 3.5 3.7 3.0 2.2 2.0 1.6 1.3 1.1 0.8 0.7 0.6 0.5 TYPICAL CORE/WIRE CHARACTERISTICS Inductance Temperature Coefficient Resistance Temperature Coefficient Curie Temperature (TC) Saturation Flux (BSAT) 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 INFORMATION2 Peak wave solder temperature 300˚C for 10 seconds Pin finish Bright tin All specifications typical at TA=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 For full details go to www.murata-ps.com/rohs www.murata-ps.com/support KMP_1800C_B04 Page 1 of 2 1800 Series Axial Lead Inductors PACKAGE SPECIFICATIONS MECHANICAL DIMENSIONS Unless otherwise stated, all dimensions in mm (inches) ±0.25 (0.01). Package weight: 4.6g Typ. Package quantity: 10 Murata Power Solutions, Inc. 11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A. ISO 9001 and 14001 REGISTERED 78.25 (3.081) Max. 18.25 (0.719) Max. 18503C 10.60 (0.417) 13.70 (0.540) Max. Ø0.8 (0.031) ±0.05 (0.002) 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. © 2012 Murata Power Solutions, Inc. www.murata-ps.com/support KMP_1800C_B04 Page 2 of 2