77F221J-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 *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Speci cations are subject to change without notice. Customers should verify actual device performance in their speci c applications. *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) REV. 10/12 Speci cations are subject to change without notice. Customers should verify actual device performance in their speci c applications.