Drum Cores - Radial Leaded CTDR2 Series From 1.0 µH to 2,200 µH Not shown at actual size. RoHS Compliant Available 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 Part numbers indicate available tolerance. K = ±10%, M = ±20% CTDR2F Please specify “F” for RoHS compliant. Part Number Inductance (µH) L Test Freq. (kHz) DCR Max. Ω) (Ω IDC Max. (A) CTDR2_-1R0M CTDR2_-1R2M CTDR2_-1R5M CTDR2_-1R8M CTDR2_-2R2M CTDR2_-3R3M CTDR2_-3R9M CTDR2_-4R7M CTDR2_-5R6M CTDR2_-6R8M CTDR2_-8R2M 1.0 1.2 1.5 1.8 2.2 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 .004 .005 .005 .005 .006 .007 .007 11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4 CTDR2_-100M CTDR2_-120K CTDR2_-150K CTDR2_-180K CTDR2_-220K CTDR2_-270K CTDR2_-330K CTDR2_-390K CTDR2_-470K CTDR2_-560K CTDR2_-680K CTDR2_-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 .009 .009 .013 .018 .019 .026 .029 .030 .035 .039 .053 .060 11.4 11.4 9.0 7.2 7.2 5.5 5.5 5.5 5.5 5.5 4.8 4.8 CTDR2_-101K CTDR2_-121K CTDR2_-151K CTDR2_-181K CTDR2_-221K CTDR2_-271K CTDR2_-331K CTDR2_-391K CTDR2_-471K CTDR2_-561K CTDR2_-681K CTDR2_-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 .080 .090 .098 .110 .150 .213 .305 .320 .355 .388 .430 .590 4.0 4.0 4.0 4.0 2.8 2.0 1.6 1.6 1.6 1.6 1.6 1.3 CTDR2_-102K CTDR2_-122K CTDR2_-152K CTDR2_-182K CTDR2_-222K 1000 1200 1500 1800 2200 1.0 1.0 1.0 1.0 1.0 .818 1.14 1.26 1.39 1.54 1.0 0.8 0.8 0.8 0.8 PHYSICAL DIMENSIONS Size mm inches A B Max. Max. C D E Typ. Typ. 22.0 22.0 15±2 3.9 15 0.87 0.87 0.59±0.08 0.15 0.59 E A C CENTRAL Technologies 04.20.05 Manufacturer of Inductors, Chokes, Coils, Beads, Transformers & Toroids 800-684-5322 Inside US 949-453-1811 Outside US Copyright © 2005 by CT Magnetics, DBA Central Technologies. All rights reserved. CT Magnetics reserves the right to make improvements or change specifications without notice D B