Power Inductors - Shielded CTCDRH4D28F Series From 1.2 µH to 390 µH ENGINEERING KIT #43F www.ctparts.com SPECIFICATIONS Part Number Parts are available in ±30% tolerance only. Inductance L Test @ 0.25Vrms,0Adc Freq. (µH ±30%) (KHz) DCR Max. (mW) Rated DC Current (A) CTCDRH4D28F-1R2N CTCDRH4D28F-1R8N CTCDRH4D28F-2R2N CTCDRH4D28F-2R7N CTCDRH4D28F-3R3N CTCDRH4D28F-3R9N CTCDRH4D28F-4R7N CTCDRH4D28F-5R6N CTCDRH4D28F-6R8N CTCDRH4D28F-8R2N 1.2 1.8 2.2 2.7 3.3 3.9 4.7 5.6 6.8 8.2 100 100 100 100 100 100 100 100 100 100 23.6 27.5 31.3 43.3 49.2 64.8 72.0 100.9 108.9 117.5 2.56 2.20 2.04 1.60 1.57 1.44 1.32 1.17 1.12 1.04 CTCDRH4D28F-100N CTCDRH4D28F-120N CTCDRH4D28F-150N CTCDRH4D28F-180N CTCDRH4D28F-220N CTCDRH4D28F-270N CTCDRH4D28F-330N CTCDRH4D28F-390N CTCDRH4D28F-470N CTCDRH4D28F-560N CTCDRH4D28F-680N CTCDRH4D28F-820N 10 12 15 18 22 27 33 39 47 56 68 82 100 100 100 100 100 100 100 100 100 100 100 100 128.5 131.6 149.0 166.0 235.0 261.0 378.0 383.7 587.0 624.5 699.0 914.8 1.00 0.84 0.76 0.72 0.70 0.58 0.56 0.50 0.48 0.41 0.35 0.32 CTCDRH4D28F-101N CTCDRH4D28F-121N CTCDRH4D28F-151N CTCDRH4D28F-181N CTCDRH4D28F-221N CTCDRH4D28F-271N CTCDRH4D28F-331N CTCDRH4D28F-391N 100 120 150 180 220 270 330 390 100 100 100 100 100 100 100 100 1020.0 1270.0 1350.0 1540.0 1720.0 1950.0 2660.0 2830.0 0.29 0.27 0.24 0.22 0.22 0.16 0.14 0.13 Not Shown at Actual Size PHYSICAL DIMENSIONS CHARACTERISTICS Size A Description: SMD (shielded) power inductor. Applications: Power supplies for VTR, OA equipment, LCD televisions, PC notebooks, portable communication equipment, DC/DC converters, etc. Operating Temperature: -30°C to +100°C Inductance Tolerance: ±30% Testing: Tested on a HP4285A at specified frequency. Packaging: Tape & Reel. Marking: Parts are marked with inductance code. Rated DC Current: Indicates the current when the inductance decreases to 65% more than its nominal value and temperature rising DT=40°C lower at D.C. superposition. Miscellaneous: RoHS Compliant. Additional Information: Additional electrical & physical information available upon request. Samples available. See website for ordering information. B C D E mm inches 4.7±0.3 4.7±0.3 4.5 1.5 4.5 0.19±0.01 0.19±0.01 0.177 0.06 0.177 F Max. 3.0 0.12 PAD LAYOUT Unit: mm 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 12.05.05