NT IA PL † Ro HS CO M Varnished Chokes Special Features • High Q, high self-resonant frequency • High voltage application on phenolic and ferrite components • Universal wound • Low cost • Varnish coated • Operating temperature: phenolic -55 to +125 °C; iron, ferrite -55 to +105 °C Notes * Current to cause 35 °C max. temperature rise † RoHS Directive 2002/95/EC Jan 27 2003 including Annex. 1.25 B A Dia. 0.025 for 0.1-22,000uh 0.032 for 25,000-500,000uh Dimensions: Inches 70F Series SRF DCR Ω Max. Dim. A Max 0.13 0.25 0.38 0.70 0.125 0.20 0.264 0.29 0.048 3922 2828 2294 1690 1264 1000 870 830 2041 0.15 0.14 0.14 0.12 0.12 0.12 0.12 0.12 0.16 0.31 0.31 0.31 0.31 0.31 0.31 0.31 0.31 0.25 Phenolic Phenolic Phenolic Phenolic Phenolic Phenolic Phenolic Phenolic Iron 118 102 89 87 74 66 61 53 49 49 44 41 21 19 19 16 0.072 0.096 0.096 0.156 0.168 0.24 0.264 0.457 0.492 0.624 0.624 0.744 1.44 1.56 1.68 1.92 1666 1443 1443 1132 1091 912 870 661 637 566 566 518 288 277 267 250 0.16 0.16 0.16 0.16 0.16 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.16 0.16 0.16 0.16 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron 15 13 13 12 10 9.3 9.1 8.6 8.1 7.2 6.7 6.7 3.6 3.2 3.0 2.8 2.7 2.5 2.5 2.5 2.2 2.0 2.0 2.28 2.28 2.64 2.64 2.76 3.36 3.36 3.84 4.2 4.56 4.8 4.92 7.68 8.16 8.16 8.16 10.3 11.5 12.1 13.2 13.2 13.9 14.4 229 229 213 213 208 188 188 176 169 162 158 156 139 135 135 135 120 114 111 106 106 103 102 0.16 0.16 0.17 0.17 0.17 0.17 0.17 0.18 0.18 0.18 0.18 0.18 0.16 0.16 0.16 0.17 0.17 0.17 0.17 0.17 0.17 0.17 0.18 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron L (µH) ±20 % Q 70F107AP-RC 70F157AP-RC 70F227AP-RC 70F337AP-RC 70F477AP-RC 70F687AP-RC 70F757AP-RC 70F827AP-RC 70F106AI-RC 0.10 0.15 0.22 0.33 0.47 0.68 0.75 0.82 1.0 ±10 % 1.2 1.5 1.8 2.2 2.7 3.3 3.9 4.7 5.6 6.8 7.5 8.2 9.1 10 12 15 ±5 % 18 22 25 27 33 39 47 56 68 75 82 91 100 120 150 180 200 220 250 270 300 330 350 49 52 48 47 46 48 48 48 41 25 25 25 25 25 25 25 25 25 600 490 400 330 280 240 224 216 118 45 42 31 43 34 40 35 43 41 40 32 37 41 36 52 52 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 2.5 2.5 52 51 48 49 50 48 44 45 42 38 41 41 25 40 47 48 47 46 49 46 46 41 46 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 70F126AI-RC 70F156AI-RC 70F186AI-RC 70F226AI-RC 70F276AI-RC 70F336AI-RC 70F396AI-RC 70F476AI-RC 70F566AI-RC 70F686AI-RC 70F756AI-RC 70F826AI-RC 70F916AI-RC 70F105AI-RC 70F125AI-RC 70F155AI-RC 70F185AI-RC 70F225AI-RC 70F255AI-RC 70F275AI-RC 70F335AI-RC 70F395AI-RC 70F475AI-RC 70F565AI-RC 70F685AI-RC 70F755AI-RC 70F825AI-RC 70F915AI-RC 70F104AI-RC 70F124AI-RC 70F154AI-RC 70F184AI-RC 70F204AI-RC 70F224AI-RC 70F254AI-RC 70F274AI-RC 70F304AI-RC 70F334AI-RC 70F354AI-RC Dim. B Core ±0.03 Material I, DC* (mA) Part Number Test Freq. (MHz) “-RC” suffix indicates RoHS compliance. Continued next page. Tel. (877) 426-8767 • Fax (951) 781-5006 REV. 06/07 www.bourns.com 20.3 NT IA PL † Ro HS CO M Varnished Chokes Special Features • High Q, high self-resonant frequency • High voltage application on phenolic and ferrite components • Universal wound • Low cost • Varnish coated • Operating temperature: phenolic -55 to +125 °C; iron, ferrite -55 to +105 °C Notes * Current to cause 35 °C max. temperature rise † RoHS Directive 2002/95/EC Jan 27 2003 including Annex. 1.25 B A Dia. 0.025 for 0.1-22,000uh 0.032 for 25,000-500,000uh Dimensions: Inches Part Number 70F394AI-RC 70F474AI-RC 70F504AI-RC 70F564AI-RC 70F684AI-RC 70F754AI-RC 70F824AI-RC 70F914AI-RC 70F103AI-RC 70F123AI-RC 70F153AI-RC 70F183AI-RC 70F223AI-RC 70F253AI-RC 70F273AI-RC 70F333AI-RC 70F393AI-RC 70F473AI-RC 70F563AI-RC 70F683AI-RC 70F753AI-RC 70F823AI-RC 70F913AI-RC 70F102AI-RC 70F122AI-RC 70F152AI-RC 70F182AI-RC 70F222AI-RC 70F252AF-RC 70F272AF-RC 70F332AF-RC 70F392AF-RC 70F472AF-RC 70F502AF-RC 70F562AF-RC 70F682AF-RC 70F752AF-RC 70F822AF-RC 70F912AF-RC 70F101AF-RC 70F121AF-RC 70F151AF-RC 70F181AF-RC 70F221AF-RC 70F251AF-RC 70F271AF-RC 70F331AF-RC 70F391AF-RC 70F471AF-RC 70F501AF-RC 70F Series continued DCR SRF Test Ω I, DC* Freq. (MHz) Max. (mA) (MHz) Min. Dim. A Max Dim. B ±0.03 Core Material L (µH) ±5 % Q Min. 390 470 500 560 680 750 820 910 1000 1200 1500 1800 2200 2500 2700 3300 3900 4700 5600 6800 7500 8200 9100 10,000 12,000 15,000 18,000 22,000 25,000 27,000 33,000 39,000 47,000 50,000 56,000 68,000 75,000 82,000 91,000 100,000 L tested @ 1 KHz 120,000 150,000 180,000 220,000 250,000 270,000 330,000 390,000 470,000 500,000 45 35 49 41 37 40 33 32 30 34 40 40 40 48 50 52 53 49 53 51 49 48 52 41 46 50 49 50 59 61 61 59 57 57 57 57 53 50 51 48 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.079 0.079 0.079 0.079 0.079 0.079 0.079 0.079 0.079 0.079 0.079 0.079 0.079 0.079 0.079 0.079 2.0 1.8 1.8 1.7 1.6 1.6 1.6 1.4 1.4 1.2 1.1 0.96 0.96 0.96 0.88 0.80 0.76 0.68 0.68 0.64 0.60 0.60 0.56 0.52 0.36 0.32 0.29 0.27 0.25 0.244 0.232 0.22 0.206 0.196 0.188 0.18 0.174 0.168 0.166 0.157 15.8 16.3 18.0 19.2 19.8 22.9 22.9 24.0 24.0 33.6 37.2 42.0 45.6 45.6 45.6 51.6 57.6 64.8 69.6 78 85.2 92.4 98.4 101 100 113 128 144 115 120 134 147 168 175 189 215 222 238 250 278 97 95 91 88 87 80 80 79 79 66 63 59 57 57 57 53 51 48 46 43 41 40 39 38 50 47 44 41 46 45 43 41 38 37 36 34 33 32 31 29 0.18 0.18 0.19 0.19 0.2 0.21 0.21 0.22 0.22 0.22 0.22 0.23 0.24 0.26 0.26 0.26 0.27 0.28 0.3 0.31 0.31 0.33 0.33 0.33 0.3 0.3 0.32 0.33 0.34 0.35 0.35 0.37 0.38 0.4 0.4 0.41 0.43 0.43 0.43 0.44 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.38 0.38 0.38 0.38 0.38 0.38 0.38 0.38 0.38 0.38 0.38 0.50 0.50 0.50 0.50 0.63 0.63 0.63 0.63 0.63 0.63 0.63 0.63 0.63 0.63 0.63 0.63 Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Iron Ferrite Ferrite Ferrite Ferrite Ferrite Ferrite Ferrite Ferrite Ferrite Ferrite Ferrite Ferrite 46 49 51 51 52 53 54 54 55 53 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.084 0.077 0.075 0.07 0.065 0.062 0.06 0.056 0.054 0.052 288 328 374 424 468 490 540 617 704 736 48 44 41 39 37 36 34 33 30 30 0.48 0.50 0.52 0.54 0.55 0.57 0.58 0.6 0.61 0.63 0.88 0.88 0.88 0.88 0.88 0.88 0.88 0.88 0.88 0.88 Ferrite Ferrite Ferrite Ferrite Ferrite Ferrite Ferrite Ferrite Ferrite Ferrite “-RC” suffix indicates RoHS compliance. Tel. (877) 426-8767 • Fax (951) 781-5006 20.4 www.bourns.com REV. 06/07