Chokes EMI / RFI Toroid (1540 Series) HIGH CURRENT TOROID INDUCTORS • Ideal for EMI/RFI filtering applications • Suitable for energy storage inductors for switching power supplies. • High current • Minimum .5" long leads, for P.C. board mounting. Selection Table Part No. Inductance Ls +/- 15% @ 0A D.C. uH Rated D.C. Amps 1540M01 1540M02 1540M03 1540M04 1540M05 1540M06 1540M07 1540M08 1540M09 1540M10 1540M11 1540M12 1540M13 1540M14 1540M15 1540M16 1540M17 1540M18 1540M19 1540M20 1540M21 1540M22 1540M23 1540M24 1540M25 10 25 125 275 450 25 75 400 800 1000 50 150 700 1250 1600 125 500 1100 2250 4500 250 900 1800 4000 8000 11 5.5 2.75 2 1.5 9 5 2.25 1.75 1.5 9.5 4.75 2.25 1.75 1.5 7.75 4 2.5 1.75 1.25 8 3.75 2.5 1.75 1 Minimum D.C. Inductance Resistance at rated max. D.C. uH Ohms 5 12 70 150 250 15 40 225 475 575 25 85 400 750 950 65 275 650 1350 2700 125 500 1000 2100 4500 0.008 0.014 0.12 0.24 0.49 0.012 0.04 0.33 0.64 0.98 0.012 0.046 0.42 0.85 1.27 0.032 0.15 0.33 0.92 2.64 0.041 0.175 0.55 1.16 3.34 D.C. Amps for 0.8 Ls 7.5 3.25 1.5 1.3 0.8 5.5 3 1.4 1 0.9 6 2.5 1.25 1 0.8 5.25 2.75 1.8 1.3 0.9 4.75 2 1.4 1.1 0.7 CANADA © A Max. (Inches) 0.875 0.875 0.875 0.875 0.875 1.125 1.125 1.125 1.125 1.125 1.25 1.25 1.25 1.25 1.25 1.812 1.812 1.812 1.812 1.812 2.125 2.125 2.125 2.125 2.125 B Max. (Inches) 0.437 0.437 0.437 0.437 0.437 0.562 0.562 0.562 0.562 0.562 0.625 0.625 0.625 0.625 0.625 0.750 0.750 0.750 0.750 0.750 0.937 0.937 0.937 0.937 0.937 C Min. (Inches) 0.187 0.187 0.187 0.187 0.187 0.312 0.312 0.312 0.312 0.312 0.375 0.375 0.375 0.375 0.375 0.750 0.750 0.750 0.750 0.750 0.625 0.625 0.625 0.625 0.625 Typ. Lead Dia. (In.) 0.064 0.040 0.020 0.016 0.012 0.064 0.036 0.018 0.015 0.012 0.064 0.036 0.018 0.015 0.012 0.064 0.032 0.025 0.080 0.012 0.062 0.032 0.023 0.018 0.012 EUROPE Guelph, Ontario (519) 822-2960 St. Laurent, Quebec (514) 343-9010 www.hammondmfg.com Cheektowaga, NY (716) 630-7030 54 USA Dimensions Basingstoke, UK 01256 812812 AUSTRALIA Queenstown, Australia 61-8-8240-2244