Power Inductors - Shielded CTNR3012STF Series From 1.0 µH to 47 µH www.ctparts.com SPECIFICATIONS Part numbers indicate inductance tolerance available. M = ±20%, N = ±30% *Irms DC current (A) that will cause an approximate DT of 40°C. **Isat DC current (A) that will cause L0 to drop approximately 30%. Part Inductance Number (µH) CTNR3012STF-1R0N 1.0 CTNR3012STF-1R5N 1.5 CTNR3012STF-2R2M 2.2 CTNR3012STF-3R3M 3.3 CTNR3012STF-4R7M 4.7 CTNR3012STF-6R8M 6.8 CTNR3012STF-100M 10 CTNR3012STF-150M 15 CTNR3012STF-220M 22 CTNR3012STF-330M 33 CTNR3012STF-470M 47 L Test Freq. (KHz) 100 100 100 100 100 100 100 100 100 100 100 DCR Max. (Ω) .060 .072 .120 .160 .220 .330 .475 .730 1.08 1.40 2.20 *Irms Typ. (A) 1.50 1.36 1.10 0.90 0.75 0.68 0.55 0.46 0.38 0.34 0.28 **Isat Typ. (A) 1.50 1.36 1.10 0.91 0.77 0.67 0.54 0.44 0.38 0.31 0.25 PHYSICAL DIMENSIONS Size A B C Max. mm inches 3.0±0.1 3.0±0.1 1.2 0.12±0.0039 0.12±0.0039 0.048 CHARACTERISTICS Top View A Description: SMD (shielded) power inductor. Applications: DC/DC converters, mobile phones, MP3 players, notebook PC, etc. Inductance Tolerance: ±20%, ±30% Temperature Range: Up to 125°C Testing: Inductance is tested on an HP4285A at 100KHz, 0.25V. Packaging: Tape & Reel. Marking: Parts are marked with inductance code. Miscellaneous: RoHS Compliant. Additional Information: Additional electrical & physical information available upon request. Samples available. See website for ordering information. Side View Bottom View XXX Not Shown at Actual Size C B PAD LAYOUT Unit: mm 2.7 3.0 0.8 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 03.09.12