NT IA PL † Ro HS CO M 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 identification • Operating temperature: phenolic -55 to +125 °C; iron -55 to +105 °C Notes * Current to cause 35 °C max. temperature rise † RoHS Directive 2002/95/EC Jan 27 2003 including Annex. 1.5 0.5 74F Series Test SRF Freq. (MHz) (MHz) Min. Part Number L (µH) ±20 % Q Min. 74F106AP-RC 74F126AP-RC 74F156AP-RC 74F186AP-RC 74F226AP-RC 1.0 1.2 1.5 1.8 2.2 ±10 % 2.7 3.3 3.9 4.7 5.6 6.8 8.2 10 12 15 18 22 27 33 39 47 56 68 82 100 45 45 45 45 45 7.96 7.96 7.96 7.96 7.96 45 45 45 50 50 50 50 50 30 30 30 85 80 80 90 90 90 90 100 100 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 74F276AP-RC 74F336AP-RC 74F396AP-RC 74F476AP-RC 74F566AP-RC 74F686AP-RC 74F826AP-RC 74F105AP-RC 74F125AP-RC 74F155AP-RC 74F185AP-RC 74F225AI-RC 74F275AI-RC 74F335AI-RC 74F395AI-RC 74F475AI-RC 74F565AI-RC 74F685AI-RC 74F825AI-RC 74F104AI-RC DCR Ω Max. I, DC* (mA) Core Material 190 174 160 144 132 0.20 0.22 0.25 0.28 0.30 1000 950 900 850 800 Phenolic Phenolic Phenolic Phenolic Phenolic 119 108 101 91 83 75 68 62 57 51 46 28 26 24 21 19 18 17 15 14 0.50 0.70 0.80 1.0 1.8 1.85 1.9 3.0 3.6 6.0 7.5 2.0 1.85 2.0 2.6 3.5 3.75 4.0 5.1 6.0 700 600 500 400 350 300 275 250 200 150 100 500 450 450 400 350 300 250 200 100 Phenolic Phenolic Phenolic Phenolic Phenolic Phenolic Phenolic Phenolic Phenolic Phenolic Phenolic Iron Iron Iron Iron Iron Iron Iron Iron Iron “-RC” suffix indicates RoHS compliance. Dia. 0.032 for 1-18uh 0.029 for 22-100uh 0.20 Max. Dimensions: Inches Tel. (877) 426-8767 • Fax (951) 781-5006 20.6 www.bourns.com REV. 06/07