Drum Cores - Radial Leaded CTDR3F Series From 1.0 µH to 4,700 µH Not shown at actual size. RoHS Compliant CHARACTERISTICS Description: Radial leaded drum core inductor Applications: Used in switching regulators, power amplifiers, power supplies, SCR and Triac controls, speaker crossover networks, RFI suppression and filters Operating Temperature: -25°C to +85°C Temperature Rise: 50°C Max. at IDC IDC: Current at which inductance drops 10% Max. Inductance Tolerance: ±10%, ±20% Testing: Inductance is tested on an HP4284A at 1.0 kHz Packaging: Bulk pack Sleeving: Coils finished with UL-VW-1 sleeving Mounting: Center hole furnished for mechanical mounting Miscellaneous: RoHS Compliant available. Non-standard tolerances and other values available. Additional Information: Additional electrical & physical information available upon request Samples available. See website for ordering information. ctparts.com SPECIFICATIONS Parts numbers indicate available tolerance. K = ±10%, M = ±20% Inductance (µH) L Test Freq. (kHz) DCR Max. Ω) (Ω IDC Max. (A) CTDR3F-1R0M CTDR3F-1R2M CTDR3F-1R5M CTDR3F-2R2M CTDR3F-2R7M CTDR3F-3R3M CTDR3F-3R9M CTDR3F-4R7M CTDR3F-5R6M CTDR3F-6R8M CTDR3F-8R2M 1.0 1.2 1.5 2.2 2.7 3.3 3.9 4.7 5.6 6.8 8.2 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 .003 .003 .003 .003 .003 .003 .003 .003 .003 .004 .004 21 21 21 21 21 21 21 21 21 21 21 CTDR3F-100M CTDR3F-120K CTDR3F-150K CTDR3F-180K CTDR3F-220K CTDR3F-270K CTDR3F-330K CTDR3F-390K CTDR3F-470K CTDR3F-560K CTDR3F-680K CTDR3F-820K 10 12 15 18 22 27 33 39 47 56 68 82 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 .006 .008 .009 .010 .011 .012 .017 .022 .024 .026 .029 .032 17 13.5 13.5 13.5 13.5 13.5 13.5 11.4 9.0 9.0 9.0 9.0 CTDR3F-101K CTDR3F-121K CTDR3F-151K CTDR3F-181K CTDR3F-221K CTDR3F-271K CTDR3F-331K CTDR3F-391K CTDR3F-471K CTDR3F-561K CTDR3F-681K CTDR3F-821K 100 120 150 180 220 270 330 390 470 560 680 820 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 .034 .046 .064 .072 .080 .110 .122 .169 .187 .205 .256 .288 9.0 7.2 5.5 5.5 5.5 4.5 4.5 4.0 4.0 4.0 2.8 2.8 CTDR3F-102K CTDR3F-122K CTDR3F-152K CTDR3F-182K CTDR3F-222K CTDR3F-272K CTDR3F-332K CTDR3F-392K CTDR3F-472K 1000 1200 1500 1800 2200 2700 3300 3900 4700 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 .426 .462 .518 .705 1.02 1.14 1.27 1.67 1.86 2.0 2.0 2.0 1.6 1.3 1.3 1.3 1.0 1.0 Part Number PHYSICAL DIMENSIONS Size mm inches A B Max. Max. C D 22.0 28.0 15.0±2.0 5.59 22.0 0.87 1.1 0.59±0.08 0.22 0.87 D E A C 06.07.10 CENTRAL TECHNOLOGIES Manufacturer of Passive Components 800-684-5322 Inside US 949-453-1811 Outside US Copyright © 2010 by CT Magnetics, DBA Central Technologies. All rights reserved. CT Magnetics reserves the right to make improvements or change specifications without notice E Typ. B