T PL IA N † Ro HS CO M Varnished Chokes The Model 73F Series is obsolete and not recommended for new designs. Special Features • High Q, high self-resonant frequency • High voltage application • Universal wound • Ferrite core • Low cost • Varnish coated • Operating temperature -55 to +105 °C Notes * Current to cause 35 °C max. temperature rise † RoHS Directive 2002/95/EC Jan 27 2003 including Annex. 1.50 Part Number L (µH) ±5 % Q Min. 73F104AF-RC 73F124AF-RC 73F154AF-RC 73F184AF-RC 73F224AF-RC 73F274AF-RC 73F334AF-RC 73F394AF-RC 73F474AF-RC 73F564AF-RC 73F684AF-RC 73F824AF-RC 73F103AF-RC 73F123AF-RC 73F153AF-RC 73F183AF-RC 73F223AF-RC 73F273AF-RC 73F333AF-RC 73F393AF-RC 73F473AF-RC 73F563AF-RC 73F683AF-RC 73F823AF-RC 73F102AF-RC 100 120 150 180 220 270 330 390 470 560 680 820 1000 1200 1500 1800 2200 2700 3300 3900 4700 5600 6800 8200 10,000 140 140 160 160 160 160 160 160 160 160 160 150 140 140 140 140 100 100 100 95 95 95 95 70 65 73F Series Test SRF Freq. (MHz) (MHz) Min. 0.79 0.79 0.79 0.79 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 7.7 7.0 6.3 6.0 5.6 5.1 4.8 4.4 3.9 3.6 3.4 3.1 2.6 2.2 2.0 1.8 1.5 1.4 1.3 1.2 1.0 1.0 0.90 0.91 0.85 E T E L O S B O 0.625 DCR Ω Max. I, DC* (mA) Dim. A Max 2.0 2.2 2.5 2.9 3.2 3.6 3.8 4.2 4.8 5.3 6.0 6.8 7.5 7.8 8.8 11.0 12.0 13.5 15.1 18.0 21.5 25.0 29.0 30.0 34.0 250 250 250 250 250 250 250 225 200 200 200 200 150 150 150 150 150 125 125 125 100 80 80 80 80 0.33 0.33 0.33 0.34 0.36 0.36 0.37 0.39 0.39 0.40 0.40 0.44 0.47 0.54 0.58 0.61 0.44 0.47 0.50 0.51 0.53 0.56 0.59 0.54 0.58 “-RC” suffix indicates RoHS compliance. A 0.032 Dimensions: Inches Tel. (877) 426-8767 • Fax (951) 781-5006 REV. 11/15 www.bourns.com 20.5