306 e. alondra blvd. gardena, ca 90247-1059 ? phone (310) 515-1720 ? fax (310) 515-1962 wwww.jwmiller.com 17.3 conformal coated rf chokes 78f series part number l (h) 20% q min. test freq. (mhz) srf (mhz) min. dcr ? max. i, dc* (ma) 78fr033m 0.033 50 50 400 0.02 500 78fr10m 0.10 40 25 400 0.06 500 78fr12m 0.12 40 25 400 0.06 500 78fr15m 0.15 40 25 400 0.07 500 78fr18m 0.18 40 25 400 0.08 450 10% 78fr22k 0.22 40 25 380 0.08 1025 78fr27k 0.27 40 25 360 0.08 950 78fr33k 0.33 40 25 350 0.08 815 78fr39k 0.39 40 25 320 0.09 700 78fr47k 0.47 40 25 330 0.10 650 78fr56k 0.56 40 25 280 0.11 545 78fr68k 0.68 40 25 250 0.12 495 78fr82k 0.82 40 25 200 0.12 415 78f1r0k 1.0 40 25 180 0.15 385 78f1r2k 1.2 40 7.9 165 0.18 590 78f1r5k 1.5 45 7.9 150 0.20 535 78f1r8k 1.8 50 7.9 125 0.25 455 78f2r2k 2.2 50 7.9 110 0.28 395 78f2r7k 2.7 50 7.9 95 0.30 355 5% 78f3r3j 3.3 50 7.9 70 0.34 270 78f3r9j 3.9 45 7.9 65 0.32 250 78f4r7j 4.7 45 7.9 50 0.35 230 78f5r6j 5.6 45 7.9 40 0.40 185 78f6r8j 6.8 40 7.9 30 0.45 175 78f8r2j 8.2 40 7.9 28 0.55 155 78f100j 10 40 7.9 22 0.72 130 78f120j 12 45 2.5 20 0.80 155 78F150J 15 50 2.5 16 0.88 150 78f180j 18 50 2.5 15 1.00 145 78f220j 22 50 2.5 13 1.20 140 78f270j 27 50 2.5 11 1.35 135 78f330j 33 50 2.5 10 1.50 195 78f390j 39 50 2.5 9.5 1.70 185 78f470j 47 60 2.5 8.5 2.30 167 78f560j 56 60 2.5 7.5 2.60 150 78f680j 68 60 2.5 6.5 2.90 137 78f820j 82 60 2.5 6.0 3.20 132 78f101j 100 60 2.5 5.5 3.50 125 78f121j 120 60 0.79 5.4 3.80 100 78f151j 150 60 0.79 4.7 4.40 90 78f181j 180 60 0.79 4.3 5.00 84 78f221j 220 60 0.79 4.0 5.70 76 78f271j 270 60 0.79 3.7 6.50 70 78f331j 330 60 0.79 3.4 9.50 65 78f391j 390 60 0.79 2.8 10.5 60 78f471j 470 60 0.79 2.5 11.6 53 78f561j 560 60 0.79 2.3 13.0 51 78f681j 680 60 0.79 2.0 18.0 45 78f821j 820 60 0.79 1.5 23.0 43 78f102j 1000 60 0.79 1.2 26.0 41 special features ? high q & self resonant frequency ? low dcr ? ferrite bobbin core ? epoxy coated to protect winding form harsh environments ? low cost ? color bands identi?cation (per eia standard) ? dielectric strength 500vrms ? operating temperature C55 - +105c notes * current to cause 35c maximum temperature rise also available as rohs compliant. 1.0 min. 0.020 0.28 max. 0.11 max. dimensions: inches
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