77F271J-TR-RC

T PL IA N Features Applications ■ Formerly ■ DC/DC converters *R oH S CO M model ■ Current rating up to 920 mA ■ Inductance range: 1.0 μH to 1,000 μH ■ RoHS compliant* ■ Power supplies ■ General use 77F Series Conformal Coated RF Choke Electrical Specifications (@ 25 °C) Tol. (%) Q Min. Test Frequency (MHz) SRF (MHz) Min. DCR (Ω) Max. Idc (mA) 1.0 ±10 50 25.2 157 0.17 920 1.2 ±10 50 7.96 144 0.18 880 77F1R5K-RC 1.5 ±10 50 7.96 131 0.20 830 77F1R8K-RC 1.8 ±10 50 7.96 121 0.22 790 77F2R2K-RC 2.2 ±10 50 7.96 110 0.24 750 77F2R7K-RC 2.7 ±10 60 7.96 100 0.25 720 77F3R3K-RC 3.3 ±10 60 7.96 94 0.30 670 77F3R9K-RC 3.9 ±10 60 7.96 86 0.35 640 77F4R7K-RC 4.7 ±10 70 7.96 80 0.40 620 77F5R6K-RC 5.6 ±10 70 7.96 74 0.45 590 77F6R8K-RC 6.8 ±10 75 7.96 68 0.50 550 77F8R2K-RC 8.2 ±10 80 7.96 53 0.52 530 77F100K-RC 10 ±10 85 7.96 40 0.65 500 77F120K-RC 12 ±10 75 2.52 34 0.70 480 77F150K-RC 15 ±10 70 2.52 20 0.75 460 77F180K-RC 18 ±10 60 2.52 14 0.80 430 77F220K-RC 22 ±10 60 2.52 9.9 0.90 410 77F270K-RC 27 ±10 50 2.52 7.6 1.00 390 77F330J-RC 33 ±5 50 2.52 6.5 1.10 370 77F390J-RC 39 ±5 50 2.52 6.5 1.20 350 77F470J-RC 47 ±5 45 2.52 6.3 1.30 340 77F560J-RC 56 ±5 45 2.52 6.2 1.50 320 77F680J-RC 68 ±5 40 2.52 5.7 1.80 305 77F820J-RC 82 ±5 35 2.52 5.3 2.00 290 77F101J-RC 100 ±5 30 2.52 4.8 2.50 275 77F121J-RC 120 ±5 60 0.796 3.8 3.0 185 77F151J-RC 150 ±5 60 0.796 3.5 4.0 175 77F181J-RC 180 ±5 60 0.796 3.0 4.5 165 77F221J-RC 220 ±5 60 0.796 2.8 5.0 155 77F271J-RC 270 ±5 60 0.796 2.6 6.0 145 77F331J-RC 330 ±5 60 0.796 2.4 6.5 137 77F391J-RC 390 ±5 55 0.796 2.0 7.5 133 77F471J-RC 470 ±5 50 0.796 1.8 8.5 126 77F561J-RC 560 ±5 50 0.796 1.6 9.5 120 77F681J-RC 680 ±5 45 0.796 1.6 12.0 113 Inductance Bourns Part No. (μH) 77F1R0K-RC 77F1R2K-RC 77F821J-RC 820 ±5 45 0.796 1.4 14.0 105 77F102J-RC 1000 ±5 50 0.796 1.2 20.0 100 *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. General Specifications Temperature Rise ................ 35 °C at Idc Operating Temperature ............................... -55 °C to +105 °C Storage Temperature ............................... -55 °C to +105 °C Dielectric Strength ................... 500 Vrms Materials Core .............................................. Ferrite Wire ............................. Polyester copper Terminal Coating.............Sn-Ag-Cu alloy Coating .................................Epoxy resin Packaging..... 5000 pcs. per 14-inch reel How to Order 77F 151J - TR - RC Model Value Code (See table) Packaging Code TR = 5000 pcs./14-inch reel Compliance Code RC = RoHS compliant* Example: 77F102J-TR-RC = 1000 μH packaged 5000 pcs./14-inch reel. Electrical Schematic 77F Series Conformal Coated RF Choke Typical Part Marking - EIA Color Code Product Dimensions 25.4 (1.0) MIN. 1st & 2nd Significant Multiplier Color Figure 10.41 (0.41) MAX. 0.64 (0.025) 3.99 MAX. (0.157) DIMENSIONS: MM (INCHES) Silver Gold Black Brown Red Orange Yellow Green Blue Violet Gray White 0 1 2 3 4 5 6 7 8 9 Tolerance ±10 % ±5 % 0.01 0.1 1 10 100 1000 Example for 6.8 µH, ±10 % 1st signifi cant fi gure (Blue) 2nd signifi cant fi gure (Gray) Multiplier (Gold) Tolerance (Silver) Example for 270 µH, ±5 % 1st signifi cant fi gure (Red) 2nd signifi cant fi gure (Purple) Multiplier (Brown) Tolerance (Gold) REV. 10/12 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.