Toroidal Power Chokes Excellent electromagnetic shielding Applications Use Series PTHF for high DC saturation applications; use Series PTKM for low AC core loss applications. Inductance tested at 1 KHz DC Resistance at 25C Rated Idc based upon 40C maximum rise from 90C ambient with 0 Arms Self Leads Solder coated along entire length Mounting Toroids can be provided in a vertical or horizontal mount style. Suffix Part Number with "H" for horizontal mount. dI Incremental Current is the value indicated in the table that will cause an approximate percentage drop in inductance Marking tape marked with DELEVAN and part number Physical Parameters on Next Page *Complete part # must include series # PLUS the dash # For further surface finish information, refer to TECHNICAL section of this catalog. 4/2005 PA R NU T MB ER * SERIES PTHF HIGH SATURATION CORE PTHF10-50 PTHF25-50 PTHF50-50 PTHF75-50 PTHF100-50 PTHF150-50 PTHF200-50 PTHF250-50 PTHF330-50 PTHF10-121 PTHF25-121 PTHF50-121 PTHF75-121 PTHF100-121 PTHF150-121 PTHF250-121 PTHF10-59 PTHF25-59 PTHF50-59 PTHF75-59 PTHF100-59 PTHF150-59 PTHF250-59 PTHF500-59 PTHF750-59 PTHF25-894 PTHF50-894 PTHF75-894 PTHF100-894 PTHF150-894 PTHF250-894 PTHF500-894 PTHF750-894 PTHF1000-894 10 25 50 75 100 150 200 250 330 10 25 50 75 100 150 250 10 25 50 75 100 150 250 500 750 25 50 75 100 150 250 500 750 1000 7.36 5.20 3.93 3.47 3.14 2.33 1.97 1.84 1.69 8.27 6.34 4.77 3.90 3.24 2.68 2.07 14.50 9.80 6.90 5.90 4.90 4.50 3.50 2.60 2.10 12.80 9.90 8.00 8.00 6.50 5.00 3.40 3.00 2.40 6.0 3.6 2.0 1.6 1.5 1.2 1.0 0.9 0.8 9.0 7.0 3.9 3.9 3.4 3.3 2.2 15.0 11.0 8.3 6.7 6.5 4.2 4.0 2.7 1.8 13.5 10.8 8.0 7.1 6.0 4.6 3.1 2.7 2.3 8.7 5.3 3.1 2.5 2.2 1.8 1.6 1.4 1.2 14.0 10.5 6.0 5.8 4.7 4.8 3.2 20.0 16.0 12.0 9.1 8.2 6.0 5.6 3.8 2.7 20.0 15.2 12.0 10.6 9.0 6.8 4.6 4.0 3.5 0.010 0.020 0.035 0.045 0.055 0.100 0.140 0.160 0.190 0.010 0.017 0.030 0.045 0.065 0.095 0.160 0.008 0.011 0.022 0.030 0.044 0.052 0.088 0.160 0.240 0.012 0.016 0.023 0.023 0.035 0.060 0.131 0.160 0.235 35.0 10.0 7.0 5.0 4.0 2.0 1.7 1.5 1.0 20.0 8.0 4.0 3.0 2.0 1.5 1.0 20.0 8.0 4.0 3.0 2.0 1.0 1.0 0.8 0.6 8.0 4.0 3.0 2.0 1.0 1.0 0.8 0.6 0.4 POWER INDUCTORS Horizontal or Vertical Mounting IN D @ UCT 1 K AN Hz CE 1 ( Ra 0% H) te d Id c( Am dI AD ps L C ) 10 % dI A L DC 20 % DC MA RES XI IST MU A M NC SR (O E hm F MI s) NI MU M (M HZ ) PTHFxxxxR& PTKMxxxxR PTHF&PTKM Series SERIES PTKM FERROUS ALLOY CORE PTKM10-50 PTKM25-50 PTKM50-50 PTKM75-50 PTKM100-50 PTKM150-50 PTKM200-50 PTKM250-50 PTKM330-50 PTKM10-121 PTKM25-121 PTKM50-121 PTKM75-121 PTKM100-121 PTKM150-121 PTKM250-121 PTKM10-59 PTKM25-59 PTKM50-59 PTKM75-59 PTKM100-59 PTKM150-59 PTKM250-59 PTKM500-59 PTKM750-59 PTKM25-894 PTKM50-894 PTKM75-894 PTKM100-894 PTKM150-894 PTKM250-894 PTKM500-894 PTKM750-894 PTKM1000-894 10 25 50 75 100 150 200 250 330 10 25 50 75 100 150 250 10 25 50 75 100 150 250 500 750 25 50 75 100 150 250 500 750 1000 7.36 5.20 3.93 3.47 3.14 2.33 1.97 1.84 1.69 8.27 6.34 4.77 3.90 3.24 2.68 2.07 14.50 9.80 6.90 5.90 4.90 4.50 3.50 2.60 2.10 12.80 9.90 8.00 8.00 6.50 5.00 3.40 3.00 2.40 www.delevan.com E-mail: apisales@delevan.com 270 Quaker Rd., East Aurora NY 14052 * Phone 716-652-3600 * Fax 716-652-4814 1.70 1.00 0.70 0.60 0.50 0.40 0.35 0.31 0.27 5.30 3.30 2.30 1.80 1.60 1.30 0.90 7.60 4.70 3.30 3.00 2.40 1.90 1.50 1.10 0.90 6.60 4.20 3.70 3.50 2.30 1.90 1.40 1.20 1.00 3.30 1.90 1.30 1.10 0.96 0.78 0.65 0.59 0.50 9.10 5.70 4.00 3.10 2.80 2.20 1.70 13.00 8.30 5.70 4.90 4.20 3.40 2.70 1.80 1.60 11.00 7.40 6.40 6.00 4.30 3.20 2.50 2.10 1.80 0.010 0.020 0.035 0.045 0.055 0.100 0.140 0.160 0.190 0.010 0.017 0.030 0.045 0.065 0.095 0.160 0.008 0.011 0.022 0.030 0.044 0.052 0.088 0.160 0.240 0.012 0.016 0.023 0.023 0.035 0.060 0.131 0.160 0.235 35.0 10.0 7.0 5.0 4.0 2.0 1.7 1.5 1.0 20.0 8.0 4.0 3.0 2.0 1.5 1.0 20.0 8.0 4.0 3.0 2.0 1.0 1.0 0.8 0.6 8.0 4.0 3.0 2.0 1.0 1.0 0.8 0.6 0.4 PAGE 103 Series PTHFxxxxR& PTKMxxxxR PTHF&PTKM POWER INDUCTORS Toroidal Power Chokes - Horizontal or Vertical Mount PHYSICAL PARAMETERS * Nominal Dimensions Allow up to 10%of nominal for maximum size ** Part Number Insert HF of KM for complete part number, and suffix "H" for horizontal mounting Electrical Information on Preceding Page PT**10-50 PT**25-50 PT**50-50 PT**75-50 PT**100-50 PT**150-50 PT**200-50 PT**250-50 PT**330-50 PT**10-121 PT**25-121 PT**50-121 PT**75-121 PT**100-121 PT**150-121 PT**250-121 PT**10-59 PT**25-59 PT**50-59 PT**75-59 PT**100-59 PT**150-59 PT**250-59 PT**500-59 PT**750-59 PT**25-894 PT**50-894 PT**75-894 PT**100-894 PT**150-894 PT**250-894 PT**500-894 PT**750-894 PT**1000-894 PAGE 104 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.820 0.820 0.820 0.820 0.820 0.850 0.850 1.100 1.100 1.100 1.100 1.100 1.100 1.150 1.150 1.150 1.300 1.300 1.300 1.300 1.300 1.300 1.300 1.300 1.300 15.88 15.88 15.87 15.87 15.87 15.87 15.87 15.87 15.87 20.83 20.83 20.83 20.83 20.83 21.59 21.59 27.94 27.94 27.94 27.94 27.94 27.94 29.21 29.21 29.21 33.02 33.02 33.02 33.02 33.02 33.02 33.02 33.02 33.02 0.300 0.300 0.300 0.300 0.300 0.300 0.300 0.300 0.300 0.400 0.400 0.400 0.400 0.400 0.400 0.400 0.475 0.475 0.475 0.475 0.475 0.475 0.475 0.475 0.475 0.650 0.650 0.650 0.650 0.650 0.650 0.650 0.650 0.650 0.250 0.250 0.250 0.250 0.250 0.250 0.250 0.250 0.250 0.320 0.320 0.320 0.320 0.320 0.320 0.320 0.370 0.370 0.370 0.370 0.370 0.450 0.450 0.450 0.450 0.600 0.600 0.600 0.600 0.600 0.600 0.600 0.600 0.600 6.35 6.35 6.35 6.35 6.35 6.35 6.35 6.35 6.35 8.13 8.13 8.13 8.13 8.13 8.13 8.13 9.40 9.40 9.40 9.40 9.40 11.43 11.43 11.43 11.43 15.24 15.24 15.24 15.24 15.24 15.24 15.24 15.24 15.24 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 12.70 12.70 12.70 12.70 12.70 12.70 12.70 12.70 12.70 12.70 12.70 12.70 12.70 12.70 12.70 12.70 12.70 12.70 12.70 12.70 12.70 12.70 12.70 12.70 12.70 19.05 19.05 19.05 19.05 19.05 19.05 19.05 19.05 19.05 0.036 0.032 0.028 0.025 0.025 0.020 0.018 0.018 0.018 0.040 0.040 0.036 0.032 0.028 0.025 0.023 0.051 0.051 0.045 0.040 0.036 0.036 0.032 0.028 0.025 0.051 0.051 0.051 0.051 0.045 0.040 0.032 0.032 0.028 0.91 0.81 0.71 0.63 0.63 0.51 0.46 0.46 0.46 1.02 1.02 0.91 0.81 0.71 0.63 0.58 1.30 1.30 1.14 1.02 0.91 0.91 0.81 0.71 0.63 1.30 1.30 1.30 1.30 1.14 1.02 0.81 0.81 0.71 0.600 0.600 0.600 0.600 0.600 0.600 0.600 0.600 0.600 0.780 0.780 0.780 0.780 0.780 0.780 0.780 1.050 1.050 1.050 1.050 1.050 1.050 1.050 1.050 1.050 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 www.delevan.com E-mail: apisales@delevan.com 270 Quaker Rd., East Aurora NY 14052 * Phone 716-652-3600 * Fax 716-652-4814 m m F Nominal* In ch es m m E Nominal* In ch es m m D Nominal* In ch es In ch es m m 7.62 7.62 7.62 7.62 7.62 7.62 7.62 7.62 7.62 10.16 10.16 10.16 10.16 10.16 10.16 10.16 12.06 12.06 12.06 12.06 12.06 12.06 12.06 12.06 12.06 16.51 16.51 16.51 16.51 16.51 16.51 16.51 16.51 16.51 m m C Typical B Nominal* In ch es m m In ch es PA R NU T MB ER A Nominal* 15.24 15.24 15.24 15.24 15.24 15.24 15.24 15.24 15.24 19.81 19.81 19.81 19.81 19.81 19.81 19.81 26.67 26.67 26.67 26.67 26.67 26.67 26.67 26.67 26.67 31.75 31.75 31.75 31.75 31.75 31.75 31.75 31.75 31.75 4/2005