306 e. alondra blvd. gardena, ca 90247-1059 ? phone (310) 515-1720 ? fax (310) 515-1962 wwww.jwmiller.com 20.6 varnished rf chokes special features ? high q, high self-resonant frequency ? high voltage application on phenolic components ? single layer wound ? low cost ? varnish coated ? color dot identification ? operating temperature: phenolic -55 to +125c; iron -55 to +105c notes * current to cause 35c maximum 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 1.0 45 7.96 190 0.20 1000 phenolic 74f126ap 1.2 45 7.96 174 0.22 950 phenolic 74f156ap 1.5 45 7.96 160 0.25 900 phenolic 74f186ap 1.8 45 7.96 144 0.28 850 phenolic 74f226ap 2.2 45 7.96 132 0.30 800 phenolic 10% 74f276ap 2.7 45 7.96 119 0.50 700 phenolic 74F336AP 3.3 45 7.96 108 0.70 600 phenolic 74f396ap 3.9 45 7.96 101 0.80 500 phenolic 74f476ap 4.7 50 7.96 91 1.0 400 phenolic 74f566ap 5.6 50 7.96 83 1.8 350 phenolic 74f686ap 6.8 50 7.96 75 1.85 300 phenolic 74f826ap 8.2 50 7.96 68 1.9 275 phenolic 74f105ap 10 50 7.96 62 3.0 250 phenolic 74f125ap 12 30 2.52 57 3.6 200 phenolic 74f155ap 15 30 2.52 51 6.0 150 phenolic 74f185ap 18 30 2.52 46 7.5 100 phenolic 74f225ai 22 85 2.52 28 2.0 500 iron 74f275ai 27 80 2.52 26 1.85 450 iron 74f335ai 33 80 2.52 24 2.0 450 iron 74f395ai 39 90 2.52 21 2.6 400 iron 74f475ai 47 90 2.52 19 3.5 350 iron 74f565ai 56 90 2.52 18 3.75 300 iron 74f685ai 68 90 2.52 17 4.0 250 iron 74f825ai 82 100 2.52 15 5.1 200 iron 74f104ai 100 100 2.52 14 6.0 100 iron also available as rohs compliant. 1.5 0.5 0.20 max. dia. 0.032 for 1-18uh 0.029 for 22-100uh dimensions: inches
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