18R685

1800R SERIES Radial Lead Inductors SELECTION GUIDE Inductance DC Resistance DC Current Continuous Nominal Q at f kHz Nominal Self Resonant Frequency ±10% (at 1kHz) Order Code µH 18R472 18R682 18R103 18R153 18R223 18R333 18R473 18R683 18R104 18R154 18R224 mΩ MAX 9 12 15 18 25 40 55 70 100 165 230 255 335 465 630 1.0Ω 1.5Ω 2.2Ω 3.5Ω 4.6Ω 7.0Ω 12Ω A MAX 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 106 73 59 55 51 48 46 27 40 40 39 40 49 50 48 92 106 106 139 126 143 142 f 1000 500 500 500 500 500 500 100 100 100 100 100 100 100 100 50 50 50 50 40 40 40 MHz 35.1 26.3 23.8 17.0 14.1 11.5 9.85 8.29 7.40 5.58 4.00 3.85 3.57 2.81 2.43 1.82 1.60 1.41 1.04 0.87 0.71 0.58 4.71 6.8 10 15 22 33 47 68 100 150 220 250 330 470 680 1mH 1.5mH 2.2mH 3.3mH 4.7mH 6.8mH 10mH FEATURES s Radial Format s Up to 5.35A IDC s 4.7µH to 10mH s Low DC Resistance s Compact Size s Fully Tinned Leads s MIL-I-23053/5 Class III Sleeving s Supplied in packs of 10 s 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. 18R254 18R334 18R474 18R684 18R105 18R155 18R225 18R335 18R475 18R685 18R106 TYPICAL CORE 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 Storage temperature range 0°C to 70°C –55°C to 125°C www.dc-dc.com 1 Tolerance ±15% Specifications typical at T A =25°C 1800R SERIES Radial Lead Inductors MECHANICAL DIMENSIONS 13.70 max Recommended Footprint Details Ø1.20+0.15/–0 7.20±0.30 0.60±0.10 All dimensions in mm C&D Technologies (NCL) Limited reserve the right to alter or improve the specification, internal design or manufacturing process at any time, without notice. Please check with your supplier or visit our web site to ensure that you have the current and complete specification for your product before use. © C&D Technologies (NCL) Limited 2000 NMP 1800R.2 No part of this publication may be copied, transmitted or stored in a retrieval system or reproduced in any way including, but not limited to, photography, photocopy, magnetic or other recording means, without prior written permission from C&D Technologies (NCL) Limited. Instructions for use are available from www.dc-dc.com C&D Technologies (NCL) Ltd Tanners Drive, Blakelands North Milton Keynes MK14 5BU, England Tel: +44 (0)1908 615232 Fax:+44 (0)1908 617545 email: info@cdtechno-ncl.com www: http://www.dc-dc.com C&D Technologies (NCL), Inc. 8917 Glenwood Avenue, Raleigh NC 27612, USA Tel: +1 (919) 571-9405 Fax: +1 (919) 571-9262 email: info@us.cdtechno-ncl.com