23.1 tel. (877) 426-8767 ? fax (951) 781-5006 www.bourns.com high current toroid inductors special features ? low radiation ? low core loss ? high operation frequency ? high current capacity ? low core saturation ? horizontal or vertical mount ? operating temperature: -55 to +105 c typical applications ? high current, low voltage converters ? high-speed computers ? video game machines ? output chokes ? emi fi lters notes * rated current to cause 40 c temperature rise 2000 series part number l (h) 20 % @ 1 khz idc* (a) l (h) 20 % @ i rated dcr ? max. dim. a nom. dim. b nom. dim. c nom. 2000-r3 0.3 28.5 0.24 0.0010 0.35 0.60 0.059 2000-r5 0.5 24.7 0.41 0.0012 0.35 0.60 0.059 2000-r8 0.8 22.1 0.62 0.0014 0.35 0.60 0.059 2000-1r2 1.2 20.2 0.86 0.0017 0.35 0.60 0.059 2000-1r5 1.5 18.7 1.14 0.0020 0.35 0.60 0.059 2000-2r0 2.0 15.6 1.5 0.0027 0.34 0.59 0.053 2000-2r7 2.7 14.7 1.9 0.0030 0.34 0.59 0.053 2000-3r3 3.3 11.1 2.5 0.0053 0.33 0.58 0.042 2000-3r9 3.9 10.5 3.0 0.0059 0.33 0.58 0.042 2000-4r7 4.7 10.1 3.5 0.0064 0.33 0.58 0.042 2000-5r6 5.6 9.7 4.0 0.0069 0.33 0.58 0.042 2000-6r8 6.8 7.2 5.7 0.013 0.31 0.56 0.034 15 % 15 % 2000-8r2 8.2 7.0 6.4 0.014 0.31 0.56 0.034 2000-100 10 6.6 7.9 0.015 0.31 0.56 0.034 2000-120 12 6.4 8.7 0.016 0.31 0.56 0.034 2000-150 15 4.7 12.4 0.029 0.29 0.53 0.027 2000-180 18 4.5 14.5 0.032 0.29 0.53 0.027 2000-220 22 4.3 16.7 0.035 0.29 0.53 0.027 2000-270 27 4.1 20.4 0.039 0.29 0.53 0.027 2000-330 33 3.5 25.4 0.054 0.29 0.53 0.024 2000-390 39 3.3 29.9 0.059 0.29 0.53 0.024 2000-470 47 3.2 34.6 0.064 0.29 0.53 0.024 0.25 lead length tin to core 0.25 lead length tin to core vertical horizontal 0.68 max c 0.41 max a 0.68 max 0.41 max b c dimensions: inches rev. 01/07 how to order model inductance code (first two digits are significant; third digit represents number of zeros to follow, e.g. 390 = 39 h) mounting code v = vertical h = horizontal t ermination finish blank = tin-lead rc = rohs compliant 2000 - 390 - v - rc
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