Toroids - Surface Mount CTSPT-H From 2.8 µH to 18 µH ctparts.com SPECIFICATIONS CTSPT~~HF Please specify “F” for RoHS Compliant Inductance (no DC) ±20%. (µH) Part Number Current DC (Amp.) Inductance (w/ DC) Typ. (µH) DCR Max. Ω) (Ω Size Code CTSPT44H_-282M CTSPT44H_-422M 2.8 4.2 13.9 11.4 1.68 2.5 0.0036 0.0054 R R CTSPT68H_-113M CTSPT68H_-183M 11 18 15.4 10.9 5.2 9.4 0.0062 0.0123 S S PHYSICAL DIMENSIONS (inch) Size Code A B C D Max. Max. Max. Max. R 0.665 0.490±0.005 0.570±0.005 0.400 S 0.940 0.700±0.005 0.830±0.005 0.413 B C 2X 0.080“ Not shown at actual size. CHARACTERISTICS Suggested PCB Layout Description: Surface mount high current toroidal inductor. Applications: For use in DC/DC converters, notebooks, computers, and mobile appliances. Boost and buck switcher. Designed for SMD pick and place mounting and reflow soldering. Operating Temperature: -40°C to +130°C Testing: Tested on an HP4284A at 100 kHz 0.1 Vrms Electrical Specification: @ 25°C Temperature Rise: 55°C typical at Idc and 25°C ambient temperature. Miscellaneous: RoHS Compliant available. Meets UL94V-0. Operating frequency up to 1 MHz. Additional Information: Additional electrical & physical information available upon request Samples available. See website for ordering information. A A D 08.23.10 CENTRAL TECHNOLOGIES Manufacturer of Passive Components 800-684-5322 Inside US 949-453-1811 Outside US Copyright © 2010 by CT Magnetics, DBA Central Technologies. All rights reserved. CT Magnetics reserves the right to make improvements or change specifications without notice