Toroids - Surface Mount CTSPT-L From 1.1 µH to 2000 µH RoHS Compliant Available SPECIFICATIONS CTSPT~~LF Please specify “F” for RoHS Compliant Part Number Inductance (no DC) ±20%. (µH) CTSPT20L_-702M CTSPT20L_-233M CTSPT30L_-353M 7.0 23 35 1.40 1.00 1.40 6.20 17.6 29.7 0.070 0.125 0.166 M M N CTSPT38L_-733M CTSPT30L_-174M CTSPT38L_-294M 73 170 290 1.30 0.94 0.90 58.1 114 192 0.290 0.380 0.560 O N O CTSPT38L_-674M CTSPT44L_-115M CTSPT50L_-205M 670 1100 2000 0.72 0.74 0.71 383 645 1070 0.862 1.250 1.700 O P Q CTSPT20L_-112M CTSPT30L_-123M CTSPT38L_-223M 1.1 12 22 3.40 2.80 2.70 1.01 9.4 16.2 0.011 0.043 0.063 M N O CTSPT44L_-413M CTSPT50L_-733M CTSPT30L_-522M 41 73 5.2 2.70 2.60 4.80 29.1 50.0 3.8 0.085 0.133 0.017 P Q N CTSPT38L_-752M CTSPT44L_-143M CTSPT50L_-263M 7.5 14 26 5.40 5.50 5.10 5.1 9.0 16.1 0.018 0.022 0.032 O P Q CTSPT38L_-382M CTSPT44L_-792M CTSPT50L_-163M 3.8 7.9 16 8.00 7.80 7.20 2.5 4.9 9.3 0.008 0.012 0.019 O P Q Not shown at actual size. Description: Surface mount standard 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. Current DC (Amp.) Inductance (w/ DC) Typ. (µH) DCR Max. Ω) (Ω Size Code A B C Max. Max. Max. D E F M N O 0.340 0.435 0.560 0.340 0.440 0.565 0.270 0.360 0.360 0.260 0.350 0.450 0.300 0.400 0.520 0.270 0.360 0.460 P Q 0.590 0.670 0.615 0.700 0.390 0.390 0.500 0.580 0.550 0.620 0.510 0.590 2x0.060“ B A F±0.005“ Suggested PCB Layout D±0.015“ C 0.005“ (4 surfaces) Technologies 06.14.06 CENTRAL Size Code PHYSICAL DIMENSIONS (inch) E±0.005“ CHARACTERISTICS ctparts.com Manufacturer of Inductors, Chokes, Coils, Beads, Transformers & Toroids 800-684-5322 Inside US 949-453-1811 Outside US Copyright © 2006 by CT Magnetics, DBA Central Technologies. All rights reserved. CT Magnetics reserves the right to make improvements or change specifications without notice