power inductors - shielded ctparts.com manufacturer of passive components 800-684-5322 inside us 949-453-1811 outside us copyright ? 2009 by ct magnetics, dba central technologies. all rights reserved. ct magnetics reserves the right to make improvements or change specifications without notice central technologies 09.09.09 specifications parts are available in 30% inductance tolerance only. l test part inductance freq. dcr isat irms number (h) (khz) (m ) (a) (a) ctcdrh3d11f-2r7n 2.7 100 78 0.53 1.82 ctcdrh3d11f-4r7n 4.7 100 123 0.40 1.38 ctcdrh3d11f-6r8n 6.8 100 180 0.34 1.05 CTCDRH3D11F-8R2N 8.2 100 204 0.32 0.93 ctcdrh3d11f-100n 10 100 240 0.28 0.90 ctcdrh3d11f-120n 12 100 276 0.25 0.81 ctcdrh3d11f-150n 15 100 372 0.23 0.68 ctcdrh3d11f-180n 18 100 468 0.21 0.58 ctcdrh3d11f-220n 22 100 540 0.19 0.53 ctcdrh3d11f-270n 27 100 726 0.17 0.46 ctcdrh3d11f-330n 33 100 822 0.15 0.41 ctcdrh3d11f-390n 39 100 942 0.14 0.40 ctcdrh3d11f series from 2.7 h to 39 h not shown at actual size. characteristics description: smd (shielded) power inductor applications: mobile phone, pda, mp3, dsc/dvc, portable dvd, as a dc-dc converter inductor, etc. operating temperature: -25c to +85c isat: the dc current at which the inductance decreases to 65% of its nominal value. irms: the dc current at which the temperature is t=40c typ. at 25c. inductance tolerance: 30% testing: inductance is tested on a hp4285a at 100 khz. packaging: tape & reel marking: parts are marked with inductance code miscellaneous: rohs compliant additional information: additional electrical & physical information available upon request samples available. see website for ordering information. pad layout 1.5 1.4 1.4 2.4 top view side view epoxy bottom view a c d b 4r7 rohs compliant unit: mm physical dimensions size a b c d max. max. max. max. mm 4.2 4.2 1.3 5.5 inches 0.16 0.16 0.05 0.22
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