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 05.04.09 size a b c d e max. typ. typ. mm 12.00.3 12.00.3 8.0 5.0 5.7 inches 0.4720.012 0.4720.12 0.315 0.197 0.224 physical dimensions marki ng c d e 100 a b specifications part numbers indicate inductance tolerance available. m = 20%, k = 10% irms based on temp. rise 40c typ. isat based on l/l0a=20% max. inductance srf dcr part at 100khz typ. max. irms isat number (h) (mhz) (m ) (a) (a) CTMSS1278F-1R4M 1.4 80.0 11 10.00 18.00 ctmss1278f-4r7m 4.7 30.0 20 6.20 11.00 ctmss1278f-6r0m 6.0 21.0 24 6.00 10.00 ctmss1278f-8r2m 8.2 20.0 28 5.90 8.50 ctmss1278f-100m 10 17.0 30 5.70 8.00 ctmss1278f-120m 12 15.0 32 5.20 7.50 ctmss1278f-150m 15 13.0 38 4.90 6.80 ctmss1278f-180m 18 12.0 43 4.50 6.30 ctmss1278f-220m 22 11.0 50 4.00 5.70 ctmss1278f-270m 27 10.0 60 3.60 5.00 ctmss1278f-330m 33 9.5 80 3.10 4.70 ctmss1278f-390m 39 8.5 85 3.00 4.60 ctmss1278f-470m 47 7.5 100 2.90 3.80 ctmss1278f-560m 56 7.0 110 2.70 3.50 ctmss1278f-680m 68 6.5 120 2.60 3.20 ctmss1278f-820m 82 5.0 150 2.30 3.00 ctmss1278f-101m 100 4.5 180 2.00 2.60 ctmss1278f-121k 120 4.3 230 1.90 2.50 ctmss1278f-151k 150 4.1 270 1.80 2.20 ctmss1278f-181k 180 4.0 300 1.70 2.00 ctmss1278f-221k 220 3.4 400 1.60 1.80 ctmss1278f-271k 270 3.1 530 1.20 1.60 ctmss1278f-331k 330 2.9 600 1.00 1.50 ctmss1278f-391k 390 2.7 680 1.00 1.30 ctmss1278f-471k 470 2.2 880 0.90 1.20 ctmss1278f-561k 560 2.0 960 0.80 1.10 ctmss1278f-681k 680 1.7 1300 0.75 1.00 ctmss1278f-821k 820 1.4 1500 0.70 0.95 ctmss1278f-102k 1000 1.3 1700 0.68 0.85 ctmss1278f series from 1.4 h to 1000 h not shown at actual size. characteristics description: smd (shielded) power inductor applications: lcd panels, pc notebooks, portable communication equipment, dc/dc converters, etc. temp. rise: 40c typ. operating temperature: -40c to +125c (temp. rise included) storage temperature: -40c to +125c inductance tolerance: 10%, 20% testing: inductance tested at 100khz, 0.1v resistance to solder heat: 260c, 10 seconds packaging: tape & reel marking: parts are marked with inductance code miscellaneous: rohs compliant. magnetically shielded additional information: additional electrical & physical information available upon request samples available. see website for ordering information. land pattern 5.5ref. 4.5ref. 4.0ref. 4.0ref. unit: mm rohs compliant
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