78F4R7J-RC Bourns

Features Applications Current rating up to 1.2 A DC/DC converters Dielectric strength: 500 VRMS Power supplies RoHS compliant* General use 78F Series Conformal Coated RF Choke Temperature Rise .......................... 35 C Test SRF DCR IDC ....................................at rated current Q Frequency (MHz) () (mA) Operating Temperature Range Part Number Value (H) Min. (MHz) Min. Max. Max.............................. -55 C to +105 C 78FR10K-RC 0.10 10 % 20 25 400 0.060 1200 (including temperature rise) 78FR12K-RC 0.12 10 % 20 25 400 0.070 1200 Storage Temperature Range 78FR15K-RC 0.15 10 % 20 25 380 0.070 1200 ............................... -55 C to +105 C 78FR18K-RC 0.18 10 % 20 25 380 0.073 1150 Moisture Sensitivity Level ..................... 1 78FR22K-RC 0.22 10 % 40 25 380 0.075 1150 ................. N/A 78FR27K-RC 0.27 10 % 40 25 360 0.085 1110 78FR33K-RC 0.33 10 % 40 25 335 0.095 1110 Materials 78FR39K-RC 0.39 10 % 40 25 310 0.10 1000 Core Material ..................Ferrite DR core 78FR47K-RC 0.47 10 % 40 25 270 0.11 1000 Wire ....................Enamelled copper wire 78FR56K-RC 0.56 10 % 40 25 245 0.12 950 Terminal ........................................ Cu/Sn 78FR68K-RC 0.68 10 % 40 25 230 0.13 900 Coating .................................Epoxy resin 78FR82K-RC 0.82 10 % 40 25 200 0.14 875 Packaging 78F1R0K-RC 1.0 10 % 40 25 180 0.15 815 Standard ................5000 pcs. per bag 78F1R2K-RC 1.2 10 % 40 7.9 165 0.18 740 Optional ..... 5000 pcs. per 14-inch reel 78F1R5K-RC 1.5 10 % 50 7.9 150 0.20 700 78F1R8K-RC 1.8 10 % 50 7.9 125 0.23 655 How to Order 78F2R2K-RC 2.2 10 % 50 7.9 110 0.25 630 78F 100 J - RC 78F2R7K-RC 2.7 10 % 50 7.9 95 0.28 595 Model 78F3R3J-RC 3.3 5 % 50 7.9 60 0.30 575 Value Code (see table) 78F3R9J-RC 3.9 5 % 45 7.9 50 0.32 555 Tolerance Code (see table) 78F4R7J-RC 4.7 5 % 45 7.9 38 0.35 530 Packaging 78F5R6J-RC 5.6 5 % 45 7.9 32 0.40 500 Blank = 5,000 pcs./bag 78F6R8J-RC 6.8 5 % 40 7.9 28 0.45 470 -TR = 5,000 pcs./14 reel 78F8R2J-RC 8.2 5 % 40 7.9 20 0.55 425 RoHS Compliant 78F100J-RC 10 5 % 40 7.9 18 0.75 370 Examples: 78F120J-RC 12 5 % 45 2.5 16 0.80 350 78F1R0K-RC = 1.0 mH Model 78F 78F150J-RC 15 5 % 50 2.5 16 0.93 335 packaged 5,000 pcs. per bag. 78F100J-TR-RC = 10 mH Model 78F 78F180J-RC 18 5 % 50 2.5 15 1.00 315 packaged 5,000 pcs. per reel. 78F220J-RC 22 5 % 50 2.5 13 1.20 285 78F270J-RC 27 5 % 50 2.5 11 1.35 270 Electrical Schematic 78F330J-RC 33 5 % 50 2.5 10 1.50 255 78F390J-RC 39 5 % 50 2.5 9.50 1.70 240 78F470J-RC 47 5 % 60 2.5 8.50 2.70 205 78F560J-RC 56 5 % 60 2.5 7.50 2.95 195 78F680J-RC 68 5 % 60 2.5 6.50 3.30 185 78F820J-RC 82 5 % 60 2.5 6.00 3.60 175 78F101J-RC 100 5 % 60 2.5 5.50 4.10 165 Product Dimensions 78F121J-RC 120 5 % 60 0.79 5.40 4.70 160 2.79 MAX. 78F151J-RC 150 5 % 60 0.79 4.75 5.40 150 (0.11) 0.51 (0.020) 78F181J-RC 180 5 % 60 0.79 4.35 6.00 140 78F221J-RC 220 5 % 60 0.79 4.00 6.80 130 78F271J-RC 270 5 % 60 0.79 3.70 7.70 120 78F331J-RC 330 5 % 60 0.79 3.40 11.1 100 25.40 7.11 25.40 (1.0) (0.28) (1.0) 78F391J-RC 390 5 % 60 0.79 2.80 12.6 95 MIN. MAX. MIN. 78F471J-RC 470 5 % 60 0.79 2.55 14.0 90 78F561J-RC 560 5 % 60 0.79 2.35 15.5 85 MM DIMENSIONS: (INCHES) 78F681J-RC 680 5 % 60 0.79 2.00 25.3 68 78F821J-RC 820 5 % 60 0.79 1.50 27.5 65 78F102J-RC 1000 5 % 60 0.79 1.20 31.4 60 *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specications are subject to change without notice. Users should verify actual device performance in their WARNING Cancer and Reproductive Harm specific applications. The products described herein and this document are subject to specic legal disclaimers www.P65Warnings.ca.gov as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. *RoHS COMPLIANT 78F Series Conformal Coated RF Choke Typical Part Marking - EIA Color Code 1st & 2nd Significant 71.00 3.00 (2.795 0.118) Color Figure Multiplier Tolerance Silver 0.01 10 % Gold 0.1 5 % Black 0 1 Brown 1 10 Red 2 100 Orange 3 1000 Yellow 4 Green 5 15.00 0.50 (0.591 0.020) Blue 6 355.00 0.50 Violet 7 (13.976 0.020) Gray 8 White 9 6.00 1.00 52.00 1.50 6.00 1.00 (0.236 0.039) (2.047 0.059) (0.236 0.039) 0.50 2.50 (0.098) (0.020) Example for 6.8 H, 5 % MAX. MAX. 1st signi cant gure (Blue) 2nd signi cant gure (Gray) Multiplier (Gold) Tolerance (Gold) Example for 270 H, 5 % 1.00 (0.039) MAX. 1st signi cant gure (Red) 2nd signi cant gure (Purple) Multiplier (Brown) Tolerance (Gold) 5.00 0.50 (0.197 0.020) 1.00 26.00 1.50 (0.039) (1.024 0.059) MAX. MM DIMENSIONS: (INCHES) 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. 01/18 Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.