77F4R7K-TR-RC Bourns

Features Applications Formerly model DC/DC converters Current rating up to 920 mA Power supplies Inductance range: 1.0 H to 1,000 H General use RoHS compliant* 77F Series Conformal Coated RF Choke General Speci cations Electrical Speci cations ( 25 C) Temperature Rise ................ 35 C at Idc Test SRF DCR Inductance Operating Temperature Bourns Part Q Frequency (MHz) ( ) Idc ............................... -55 C to +105 C No. (H) Tol. (%) Min. (MHz) Min. Max. (mA) Storage Temperature 77F1R0K-RC 1.0 10 50 25.2 157 0.17 920 ............................... -55 C to +105 C Dielectric Strength ................... 500 Vrms 77F1R2K-RC 1.2 10 50 7.96 144 0.18 880 77F1R5K-RC 1.5 10 50 7.96 131 0.20 830 Materials Core .............................................. Ferrite 77F1R8K-RC 1.8 10 50 7.96 121 0.22 790 Wire .............................Polyester copper 77F2R2K-RC 2.2 10 50 7.96 110 0.24 750 Terminal Coating .............Sn-Ag-Cu alloy 77F2R7K-RC 2.7 10 60 7.96 100 0.25 720 Coating .................................Epoxy resin Packaging ..... 5000 pcs. per 14-inch reel 77F3R3K-RC 3.3 10 60 7.96 94 0.30 670 77F3R9K-RC 3.9 10 60 7.96 86 0.35 640 How to Order 77F4R7K-RC 4.7 10 70 7.96 80 0.40 620 77F 151J - TR - RC 77F5R6K-RC 5.6 10 70 7.96 74 0.45 590 Model 77F6R8K-RC 6.8 10 75 7.96 68 0.50 550 Value Code 77F8R2K-RC 8.2 10 80 7.96 53 0.52 530 (See table) Packaging Code 77F100K-RC 10 10 85 7.96 40 0.65 500 TR = 5000 pcs./14-inch reel 77F120K-RC 12 10 75 2.52 34 0.70 480 Compliance Code RC = RoHS compliant* 77F150K-RC 15 10 70 2.52 20 0.75 460 Example: 77F102J-TR-RC = 1000 H packaged 77F180K-RC 18 10 60 2.52 14 0.80 430 5000 pcs./14-inch reel. 77F220K-RC 22 10 60 2.52 9.9 0.90 410 77F270K-RC 27 10 50 2.52 7.6 1.00 390 Electrical Schematic 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 Specications are subject to change without notice. Users should verify actual device performance in their specic WARNING Cancer and Reproductive Harm applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the www.P65Warnings.ca.gov last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. *RoHS COMPLIANT 77F Series Conformal Coated RF Choke Typical Part Marking - EIA Color Code Product Dimensions 1st & 2nd 25.4 10.41 Significant (1.0) (0.41) MIN. MAX. Color Figure Multiplier Tolerance Silver 0.01 10 % 0.64 Gold 0.1 5 % 3.99 (0.025) MAX. (0.157) Black 0 1 Brown 1 10 MM Red 2 100 DIMENSIONS: (INCHES) Orange 3 1000 Yellow 4 Green 5 Blue 6 Violet 7 Gray 8 White 9 Example for 6.8 H, 10 % 1st signi cant gure (Blue) 2nd signi cant gure (Gray) Multiplier (Gold) Tolerance (Silver) Example for 270 H, 5 % 1st signi cant gure (Red) 2nd signi cant 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 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.