NT IA PL † Ro HS CO M Flat RF Chokes Special Features • High Q • Ferrite core • Flat body construction to occupy small PCB area • Low cost • Varnish coated • Operating temperature: -55 to +105 °C Notes * Saturation current to cause 5 % max. inductance drop ** Rated current to cause 35 °C max. temperature rise 0.15 Max. 0.30 Max. 0.75 0.30 Dimensions: Inches L (µH) ±20 % 3500-1R0M-RC 3500-1R2M-RC 3500-1R5M-RC 3500-1R8M-RC 3500-2R2M-RC 3500-2R7M-RC 3500-3R3M-RC 3500-3R9M-RC 3500-4R7M-RC 3500-5R6M-RC 3500-6R8M-RC 3500-8R2M-RC 1.0 1.2 1.5 1.8 2.2 2.7 3.3 3.9 4.7 5.6 6.8 8.2 ±10 % 10 12 15 18 22 27 33 39 47 56 68 82 100 120 150 180 220 270 330 390 470 560 680 820 1000 1200 1500 1800 2200 2700 3300 3900 4700 7500 10,000 3500-100K-RC 3500-120K-RC 3500-150K-RC 3500-180K-RC 3500-220K-RC 3500-270K-RC 3500-330K-RC 3500-390K-RC 3500-470K-RC 3500-560K-RC 3500-680K-RC 3500-820K-RC 3500-101K-RC 3500-121K-RC 3500-151K-RC 3500-181K-RC 3500-221K-RC 3500-271K-RC 3500-331K-RC 3500-391K-RC 3500-471K-RC 3500-561K-RC 3500-681K-RC 3500-821K-RC 3500-102K-RC 3500-122K-RC 3500-152K-RC 3500-182K-RC 3500-222K-RC 3500-272K-RC 3500-332K-RC 3500-392K-RC 3500-472K-RC 3500-752K-RC 3500-103K-RC 0.020 DCR Ω Max. I sat.* (A) I, DC** (A) 37 39 33 37 38 43 35 37 37 35 29 32 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 0.010 0.012 0.014 0.020 0.025 0.028 0.036 0.050 0.053 0.092 0.113 0.116 7.0 6.0 5.0 4.8 4.4 4.0 3.7 3.4 3.2 2.8 2.6 2.2 3.60 3.30 3.00 2.50 2.30 2.20 1.90 1.60 1.50 1.20 1.10 1.10 31 55 51 46 51 52 47 46 45 45 46 53 39 75 60 75 63 68 64 60 70 68 64 60 40 70 72 72 72 72 72 70 63 20 40 7.96 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 0.796 0.796 0.796 0.796 0.796 0.796 0.796 0.796 0.796 0.796 0.796 0.796 0.796 0.252 0.252 0.252 0.252 0.252 0.252 0.252 0.252 0.252 0.0796 0.120 0.140 0.158 0.180 0.230 0.265 0.346 0.371 0.502 0.687 0.888 1.20 1.50 1.73 1.96 2.07 2.19 2.53 3.34 3.45 5.29 5.41 5.93 6.33 7.31 10.0 14.3 15.8 17.6 19.3 21.7 26.0 29.9 55.0 80.0 2.1 2.0 1.6 1.5 1.4 1.3 1.2 1.1 1.0 0.95 0.90 0.85 0.80 0.65 0.60 0.56 0.49 0.45 0.41 0.39 0.35 0.32 0.29 0.27 0.25 0.2 0.19 0.17 0.15 0.14 0.13 0.12 0.11 0.08 0.07 1.00 0.96 0.91 0.85 0.75 0.70 0.61 0.59 0.51 0.44 0.38 0.33 0.29 0.27 0.26 0.25 0.24 0.23 0.20 0.19 0.16 0.16 0.15 0.14 0.14 0.11 0.10 0.091 0.086 0.082 0.077 0.071 0.066 0.045 0.040 E T E L O S B O † RoHS Directive 2002/95/EC Jan 27 2003 including Annex. 0.39 Part Number 3500 Series Test Freq. Q (MHz) Min. “-RC” suffix indicates RoHS compliance. Tel. (877) 426-8767 • Fax (951) 781-5006 REV. 06/08 www.bourns.com 16.1