Power Inductors - Shielded CTCDRH4D28 Series From 1.2 µH to 390 µH Not shown at actual size. RoHS Compliant Available CHARACTERISTICS 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 ∆T=40°C lower at D.C. superposition. Miscellaneous: RoHS Compliant available Additional Information: Additional electrical & physical information available upon request Samples available. See website for ordering information. ctparts.com SPECIFICATIONS Parts are available in ±30% tolerance only. CTCDRH4D28F Please specify “F” for RoHS Compliant Inductance @ 0.25Vrms,0Adc (µH ±30%) L Test Freq. (kHz) DCR Max. Ω) (mΩ Rated DC Current (A) CTCDRH4D28_-1R2N CTCDRH4D28_-1R8N CTCDRH4D28_-2R2N CTCDRH4D28_-2R7N CTCDRH4D28_-3R3N CTCDRH4D28_-3R9N CTCDRH4D28_-4R7N CTCDRH4D28_-5R6N CTCDRH4D28_-6R8N CTCDRH4D28_-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 CTCDRH4D28_-100N CTCDRH4D28_-120N CTCDRH4D28_-150N CTCDRH4D28_-180N CTCDRH4D28_-220N CTCDRH4D28_-270N CTCDRH4D28_-330N CTCDRH4D28_-390N CTCDRH4D28_-470N CTCDRH4D28_-560N CTCDRH4D28_-680N CTCDRH4D28_-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 CTCDRH4D28_-101N CTCDRH4D28_-121N CTCDRH4D28_-151N CTCDRH4D28_-181N CTCDRH4D28_-221N CTCDRH4D28_-271N CTCDRH4D28_-331N CTCDRH4D28_-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 Part Number PHYSICAL DIMENSIONS Size A B C mm inches F 4.7±0.3 4.7±0.3 4.5 1.5 4.5 3.0 0.19±0.01 0.19±0.01 0.177 0.06 0.177 0.12 12.05.05 Technologies E Max. PAD LAYOUT CENTRAL D 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