74F BOURNS | Alldatasheet

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Technical content

Tel. (877) 426-8767 • Fax (951) 781-5006 www.bourns.com20.6 † 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 identifi 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 (µH) ±20 % Q Min. Test Freq. (MHz) SRF (MHz) Min. DCR Ω 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” suffi x indicates RoHS compliance. REV. 06/07