77F821J-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 77F821J-RC 820 ±5 45 0.796 1.4 14.0 105 77F102J-RC 1000 ±5 50 0.796 1.2 20.0 100 Inductance Bourns Part No. (μH) 77F1R0K-RC 77F1R2K-RC WARNING Cancer and Reproductive Harm www.P65Warnings.ca.gov 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 Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 77F Series Conformal Coated RF Choke Typical Part Marking - EIA Color Code Product Dimensions 25.4 (1.0) MIN. 1st & 2nd Significant Color Multiplier 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 0.01 0.1 1 10 100 1000 ±10 % ±5 % 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) Tel: +886-2 2562-4117 • Email: asiacus@bourns.com EMEA: Tel: +36 88 520 390 • Email: eurocus@bourns.com The Americas: Tel: +1-951 781-5500 • Email: americus@bourns.com www.bourns.com REV. 10/12 Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. Legal Disclaimer Notice This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and P[ZHɉSPH[LZJVSSLJ[P]LS`¸)V\YUZ¹ Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change ^P[OV\[UV[PJL