Power Inductors - Unshielded CT646FYF Series From 1.0 µH to 1000 µH Not Shown at Actual Size CHARACTERISTICS Description: SMD power inductor. Applications: Ideal for a variety of DC/DC converter applications and low profile use. Operating Temperature: -30°C to +100°C Inductance Tolerance: ±10%, ±20% Testing: Inductance is tested on an HP4285A at 100KHz. 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. www.ctparts.com SPECIFICATIONS Part numbers are marked to indicate tolerance available. K = ±10%, M = ±20% L Test DCR Part Inductance Freq. Max. Number (µH) (KHz) (W) CT646FYF-1R0M 1.0 100 0.023 CT646FYF-1R5M 1.5 100 0.028 CT646FYF-2R2M 2.2 100 0.032 CT646FYF-2R7M 2.7 100 0.035 CT646FYF-3R3M 3.3 100 0.038 CT646FYF-3R9M 3.9 100 0.042 CT646FYF-4R7M 4.7 100 0.049 CT646FYF-5R6M 5.6 100 0.055 CT646FYF-6R8M 6.8 100 0.055 CT646FYF-8R2M 8.2 100 0.067 Rated DC (A) 2.880 2.560 2.360 2.360 2.160 2.160 1.880 1.880 1.880 1.680 CT646FYF-100M CT646FYF-120M CT646FYF-150M CT646FYF-180M CT646FYF-220M CT646FYF-270M CT646FYF-330M CT646FYF-390M CT646FYF-470M CT646FYF-560M CT646FYF-680M CT646FYF-820M 10 12 15 18 22 27 33 39 47 56 68 82 100 100 100 100 100 100 100 100 100 100 100 100 0.070 0.080 0.090 0.100 0.120 0.140 0.160 0.190 0.220 0.290 0.340 0.460 1.560 1.440 1.360 1.280 1.170 1.070 1.000 0.910 0.840 0.720 0.660 0.580 CT646FYF-101M CT646FYF-121K CT646FYF-151K CT646FYF-181K CT646FYF-221K CT646FYF-271K CT646FYF-331K CT646FYF-391K CT646FYF-471K CT646FYF-561M CT646FYF-681M CT646FYF-821M 100 120 150 180 220 270 330 390 470 560 680 820 100 100 100 100 100 100 100 100 100 100 100 100 0.550 0.670 0.900 1.050 1.350 1.550 2.050 2.300 2.600 2.900 3.400 4.200 0.510 0.420 0.370 0.350 0.290 0.280 0.230 0.215 0.195 0.185 0.170 0.165 CT646FYF-102M 1000 100 5.390 0.150 PHYSICAL DIMENSIONS Size A Max. mm inches B Max. C D Max. E Max. 7.4 7.4 5.5 2.0±0.2 5.4 0.29 0.29 0.22 0.08±0.008 0.21 Manufacturer of Passive Components 800-684-5322 Inside US 949-453-1811 Outside US Copyright © 2012 by CT Magnetics, DBA Central Technologies. All rights reserved. CT Magnetics reserves the right to make improvements or change specifications without notice REV 01.14.05