Power Inductors - Shielded CT646CYF Series From 1.0 µH to 1000 µH Not shown at actual size. RoHS Compliant CHARACTERISTICS Description: SMD (shielded) 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: ±20% Testing: Inductance is tested on an HP4285A at 100 kHz 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. SPECIFICATIONS Part numbers are marked to indicate tolerance available. M = ±20% * Maximum allowable DC current is that which causes a 10% inductance reduction from the initial value, or coil temperature to rise by 40°C, whichever is smaller. (Reference ambient temperature 20°C). Part Number Inductance (µH) L Test Freq. (kHz) DCR Max. Ω) (Ω *Rated DC (A) CT646CYF-1R0M CT646CYF-1R2M CT646CYF-1R5M CT646CYF-2R2M CT646CYF-3R3M CT646CYF-4R7M CT646CYF-5R6M CT646CYF-6R8M CT646CYF-8R2M 1.0 1.2 1.5 2.2 3.3 4.7 5.6 6.8 8.2 100 100 100 100 100 100 100 100 100 0.023 0.025 0.027 0.030 0.035 0.041 0.044 0.047 0.048 2.88 2.85 2.61 2.46 2.28 2.08 2.00 1.94 1.80 CT646CYF-100M CT646CYF-120M CT646CYF-150M CT646CYF-180M CT646CYF-220M CT646CYF-270M CT646CYF-330M CT646CYF-390M CT646CYF-470M CT646CYF-560M CT646CYF-680M CT646CYF-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 0.050 0.070 0.080 0.090 0.110 0.150 0.170 0.180 0.200 0.280 0.320 0.350 1.68 1.54 1.39 1.26 1.13 1.02 0.84 0.80 0.76 0.64 0.60 0.57 CT646CYF-101M CT646CYF-121M CT646CYF-151M CT646CYF-181M CT646CYF-221M CT646CYF-271M CT646CYF-331M CT646CYF-391M CT646CYF-471M CT646CYF-561M CT646CYF-681M CT646CYF-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 0.400 0.440 0.730 0.780 0.940 1.250 1.400 1.520 1.700 2.390 2.500 3.000 0.50 0.47 0.40 0.39 0.33 0.31 0.27 0.27 0.25 0.22 0.20 0.18 CT646CYF-102M 1000 100 4.100 0.17 PHYSICAL DIMENSIONS Size mm inches A B C Max. Max. 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 PAD LAYOUT Unit: mm 3.0 2.0 4.4 Technologies 07.30.08 CENTRAL ctparts.com Manufacturer of Passive and Discrete Semiconductor Components 800-684-5322 Inside US 949-453-1811 Outside US Copyright © 2008 by CT Magnetics, DBA Central Technologies. All rights reserved. CT Magnetics reserves the right to make improvements or change specifications without notice D E Max.