Power Inductors - Shielded CTCDRH3D28/LDF Series From 10µH to 220µH www.ctparts.com SPECIFICATIONS Parts are available in ±20% inductance tolerance only. Inductance drop = 35% typ. at Isat. ΔT=40°C rise at Irms. Inductance Irms Isat at 100kHz Max. Max. Marking (µH) (A) (A) Part Number CTCDRH3D28/LDF-100M CTCDRH3D28/LDF-120M CTCDRH3D28/LDF-150M CTCDRH3D28/LDF-180M CTCDRH3D28/LDF-220M CTCDRH3D28/LDF-270M CTCDRH3D28/LDF-330M CTCDRH3D28/LDF-390M CTCDRH3D28/LDF-470M CTCDRH3D28/LDF-560M CTCDRH3D28/LDF-680M CTCDRH3D28/LDF-820M CTCDRH3D28/LDF-101M CTCDRH3D28/LDF-121M CTCDRH3D28/LDF-151M CTCDRH3D28/LDF-181M CTCDRH3D28/LDF-221M LG LH LI LJ LK LL LM LN LO LP LQ LR LS LT LU LV LW 10 12 15 18 22 27 33 39 47 56 68 82 100 120 150 180 220 1.52 1.48 1.44 1.37 1.28 1.18 1.15 1.00 0.81 0.76 0.60 0.58 0.52 0.50 0.48 0.42 0.36 DCR Max. (Ω) 0.50 0.45 0.40 0.35 0.33 0.29 0.28 0.25 0.23 0.20 0.185 0.172 0.160 0.136 0.124 0.119 0.116 0.095 0.100 0.115 0.125 0.145 0.175 0.215 0.225 0.305 0.325 0.470 0.540 0.610 0.755 0.880 1.130 1.270 PHYSICAL DIMENSIONS Size Not Shown at Actual Size mm inches A B Max. E Max. Ref. 4.0 4.0 3.0 5.2 1.0 0.16 0.12 0.20 0.04 A E C D S B D Max. 0.16 CHARACTERISTICS Description: SMD (shielded) power inductor. Applications: MP3, DSC/DVC, LCD televisions, PC notebooks, portable communication equipment, DC/DC converters, etc. Operating Temperature: -40°C to +85°C Inductance Tolerance: ±20% Testing: Inductance is tested on an HP4285A at 100KHz, 0.1V Packaging: Tape & Reel. Marking: Parts are marked with letter identifiers. Miscellaneous: RoHS Compliant. Additional Information: Additional electrical & physical information available upon request. Samples available. See website for ordering information. C Max. S XX F F Marking PAD LAYOUT 1. 4 1. 3 Unit: mm 4 2. Manufacturer of Passive Components 800-684-5322 Inside US 949-453-1811 Outside US Copyright © 2014 by CT Magnetics, DBA Central Technologies. All rights reserved. CT Magnetics reserves the right to make improvements or change specifications without notice REV 01.17.14