tel. (877) 426-8767 ? fax (951) 781-5006 www.bourns.com 20.6 ? rohs compliant varnished chokes special features ? high q, high self-resonant frequency ? high voltage application on phenolic components ? single layer wound ? low cost ? varnish coated ? color dot identi? cation ? operating temperature: phenolic -55 to +125 c; iron -55 to +105 c notes * current to cause 35 c max. temperature rise 74f series part number l (h) 20 % q min. test freq. (mhz) srf (mhz) min. dcr ? max. i, dc* (ma) core material 74f106ap-rc 1.0 45 7.96 190 0.20 1000 phenolic 74f126ap-rc 1.2 45 7.96 174 0.22 950 phenolic 74f156ap-rc 1.5 45 7.96 160 0.25 900 phenolic 74f186ap-rc 1.8 45 7.96 144 0.28 850 phenolic 74f226ap-rc 2.2 45 7.96 132 0.30 800 phenolic 10 % 74f276ap-rc 2.7 45 7.96 119 0.50 700 phenolic 74f336ap-rc 3.3 45 7.96 108 0.70 600 phenolic 74F396AP-RC 3.9 45 7.96 101 0.80 500 phenolic 74f476ap-rc 4.7 50 7.96 91 1.0 400 phenolic 74f566ap-rc 5.6 50 7.96 83 1.8 350 phenolic 74f686ap-rc 6.8 50 7.96 75 1.85 300 phenolic 74f826ap-rc 8.2 50 7.96 68 1.9 275 phenolic 74f105ap-rc 10 50 7.96 62 3.0 250 phenolic 74f125ap-rc 12 30 2.52 57 3.6 200 phenolic 74f155ap-rc 15 30 2.52 51 6.0 150 phenolic 74f185ap-rc 18 30 2.52 46 7.5 100 phenolic 74f225ai-rc 22 85 2.52 28 2.0 500 iron 74f275ai-rc 27 80 2.52 26 1.85 450 iron 74f335ai-rc 33 80 2.52 24 2.0 450 iron 74f395ai-rc 39 90 2.52 21 2.6 400 iron 74f475ai-rc 47 90 2.52 19 3.5 350 iron 74f565ai-rc 56 90 2.52 18 3.75 300 iron 74f685ai-rc 68 90 2.52 17 4.0 250 iron 74f825ai-rc 82 100 2.52 15 5.1 200 iron 74f104ai-rc 100 100 2.52 14 6.0 100 iron 1.5 0.5 0.20 max. dia. 0.032 for 1-18uh 0.029 for 22-100uh dimensions: inches ? rohs directive 2002/95/ec jan 27 2003 including annex. -rc su? x indicates rohs compliance. rev. 06/07
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