PL IA NT CO M *R oH S Features Applications ■ Current rating up to 0.7 A ■ DC/DC converters ■ Dielectric strength: 500 VRMS ■ Power supplies ■ RoHS compliant* ■ General use 79F Series Conformal Coated RF Choke Electrical Specifications (@ 25 °C) Part Number 79FR10M-RC 79FR12M-RC 79FR15M-RC 79FR18M-RC 79FR22M-RC 79FR27M-RC 79FR33M-RC 79FR39M-RC 79FR47M-RC 79FR56M-RC 79FR68M-RC 79FR82M-RC 79F1R0K-RC 79F1R2K-RC 79F1R5K-RC 79F1R8K-RC 79F2R2K-RC 79F2R7K-RC 79F3R3K-RC 79F3R9K-RC 79F4R7K-RC 79F5R6K-RC 79F6R8K-RC 79F8R2K-RC 79F100K-RC 79F120K-RC 79F150K-RC 79F180K-RC 79F220K-RC 79F270K-RC 79F330K-RC 79F390K-RC 79F470K-RC 79F560K-RC 79F680K-RC 79F820K-RC 79F101K-RC 79F121K-RC 79F151K-RC 79F181K-RC 79F221K-RC Value (μH) 0.10 ±20 % 0.12 ±20 % 0.15 ±20 % 0.18 ±20 % 0.22 ±20 % 0.27 ±20 % 0.33 ±20 % 0.39 ±20 % 0.47 ±20 % 0.56 ±20 % 0.68 ±20 % 0.82 ±20 % 1.0 ±10 % 1.2 ±10 % 1.5 ±10 % 1.8 ±10 % 2.2 ±10 % 2.7 ±10 % 3.3 ±10 % 3.9 ±10 % 4.7 ±10 % 5.6 ±10 % 6.8 ±10 % 8.2 ±10 % 10 ±10 % 12 ±10 % 15 ±10 % 18 ±10 % 22 ±10 % 27 ±10 % 33 ±10 % 39 ±10 % 47 ±10 % 56 ±10 % 68 ±10 % 82 ±10 % 100 ±10 % 120 ±10 % 150 ±10 % 180 ±10 % 220 ±10 % Q Min. 35 35 35 35 35 35 35 35 35 35 35 35 35 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 Test Frequency (MHz) 25 25 25 25 25 25 25 25 25 25 25 25 25 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 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 SRF (MHz) Min. 300 300 300 300 150 150 150 150 150 150 150 150 150 110 70 60 45 40 38 36 30 28 26 24 22 20 18 17 16 14 13.5 13.00 12.00 11.00 10.00 9.50 9.00 8.00 6.00 5.00 5.00 *RoHS Directive 2002/95/EC Jan 27 2003 including Annex. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. DCR (Ω) Max. 0.180 0.200 0.220 0.240 0.400 0.430 0.480 0.51 0.56 0.61 0.67 0.74 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50 1.70 1.90 2.00 2.20 2.40 2.80 2.80 3.10 3.40 4.30 4.70 5.20 5.80 6.40 7.20 11.00 12.00 13.00 16.00 18.00 20.00 IDC (mA) Max. 700 660 620 600 400 380 370 350 330 320 310 290 270 260 250 240 230 220 210 200 190 180 175 165 160 150 145 140 100 80 75 74 70 68 64 46 44 42 39 37 35 General Specifications Temperature Rise .......................... 35 °C at rated current Operating Temperature Range ............................... -55 °C to +105 °C (including temperature rise) Storage Temperature Range ............................... -55 °C to +105 °C Materials Core Material .................. Ferrite DR core Wire ....................Enamelled copper wire Terminal ....................................Cu/Ni/Sn Coating .................................Epoxy resin Packaging .............2000 pcs. per ammo-pak box How to Order 79F 100 K -TR - RC Model Value Code (see table) Tolerance Code (see table) Packaging -TR = 2,000 pcs./ammo-pak box RoHS Compliant Electrical Schematic 79F Series Conformal Coated RF Choke Typical Part Marking - EIA Color Code Product Dimensions 2.54 MAX. (0.10) 25.40 (1.0) MIN. 0.51 (0.020) 4.06 (0.16) MAX. DIMENSIONS: 25.40 (1.0) MIN. MM (INCHES) Color Silver Gold Black Brown Red Orange Yellow Green Blue Violet Gray White 1st & 2nd Significant Figure Multiplier 0.01 0.1 1 10 100 1000 0 1 2 3 4 5 6 7 8 9 Example for 6.8 µH 1st signifi cant fi gure (Blue) 2nd signifi cant fi gure (Gray) Multiplier (Gold) Example for 220 µH 1st signifi cant fi gure (Red) 2nd signifi cant fi gure (Red) Multiplier (Brown) REV. 10/09 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.