PL IA NT Features Applications ■ ■ ■ ■ ■ Signal processing ■ Telecommunications ■ Dense board designs *R oH S CO M Formerly model Current rating up to 3 A Inductance range: 0.1 µH to 100,000 µH Shielded ■ RoHS compliant* 8250 Series - Shielded RF Choke Electrical Specifications (@ 25 °C) Part Number 8250-R10K-RC 8250-R12K-RC 8250-R15K-RC 8250-R18K-RC 8250-R22K-RC 8250-R27K-RC 8250-R33K-RC 8250-R39K-RC 8250-R47K-RC 8250-R56K-RC 8250-R68K-RC 8250-R82K-RC 8250-1R0K-RC 8250-1R2K-RC 8250-1R5K-RC 8250-1R8K-RC 8250-2R2K-RC 8250-2R7K-RC 8250-3R3K-RC 8250-3R9K-RC 8250-4R7K-RC 8250-5R6K-RC 8250-6R8K-RC 8250-8R2K-RC 8250-100K-RC 8250-120K-RC 8250-150K-RC 8250-180K-RC 8250-220K-RC 8250-270K-RC 8250-330K-RC 8250-390K-RC 8250-470K-RC 8250-560K-RC 8250-680K-RC 8250-820K-RC 8250-101K-RC 8250-121K-RC 8250-151K-RC 8250-181K-RC 8250-221K-RC 8250-271K-RC 8250-331K-RC 8250-391K-RC 8250-471K-RC 8250-561K-RC 8250-681K-RC Inductance (µH) ±10 % 0.10 0.12 0.15 0.18 0.22 0.27 0.33 0.39 0.47 0.56 0.68 0.82 1.0 1.2 1.5 1.8 2.2 2.7 3.3 3.9 4.7 5.6 6.8 8.2 10 12 15 18 22 27 33 39 47 56 68 82 100 120 150 180 220 270 330 390 470 560 680 Q Min. 50 50 50 50 50 50 47 47 47 45 43 41 42 43 41 42 42 41 41 41 42 42 42 46 46 50 50 50 50 50 50 50 55 55 55 55 65 65 65 65 65 65 65 65 70 70 75 General Specifications Test Freq. (MHz) 25 25 25 25 25 25 25 25 25 25 25 25 25 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 SRF (MHz) Min. 400 400 400 400 400 400 325 390 264 249 221 200 156 144 128 121 108 96 88 84 72 69 62 58 53 47 41 43 38 36 33 29.4 26.5 25 23 14 12 11.2 10.5 10.0 9.4 8.0 7.3 6.9 6.5 6.0 5.6 DCR (Ω) max. 0.026 0.029 0.034 0.044 0.056 0.090 0.122 0.161 0.218 0.290 0.382 0.450 0.054 0.070 0.096 0.107 0.142 0.284 0.260 0.354 0.168 0.511 0.750 0.828 1.270 1.760 2.300 0.677 0.742 0.850 0.928 1.28 1.48 1.64 2.20 1.96 2.28 2.45 2.79 3.08 3.48 4.55 5.10 5.62 6.45 8.00 8.85 Idc (mA) 3000 2860 2600 2300 2050 1625 1400 1220 1060 900 790 725 2080 1840 1560 1480 1290 1130 950 815 710 680 560 535 532 368 325 596 565 526 505 429 400 380 328 349 322 311 294 277 251 231 215 205 192 174 163 ~ Continued on page 2 ~ *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 Isat (mA) 3000 2860 2600 2300 2050 1625 1400 1220 1060 900 790 725 2080 1840 1560 1480 1290 1130 950 815 710 680 560 535 532 368 325 235 220 200 190 180 175 160 150 140 120 95 90 85 80 70 65 60 58 55 50 Temperature Rise ................ 35 °C at Idc Rated Current ........Inductance drop 5 % typical at Isat Operating Temperature ................................-55 °C to +105 °C Storage Temperature ................................-55 °C to +105 °C Materials Core Material ................................Ferrite Wire ...........................Enameled copper Terminal Coating.................................Sn Packaging Standard ...................... 500 pcs. per bag Optional ........ 2500 pcs. per 14-inch reel Product Dimensions 11.43 (0.45) MAX. 25.4 (1.0) MIN. 0.51 (0.02) 4.17 (0.164) MAX. DIMENSIONS: MM (INCHES) Electrical Schematic How To Order 8250 - 101K - ___ - RC Model Value Code (see table) Packaging Code Blank = 500 pcs. per bag TR = 2500 pcs. per reel Compliance Code RC = RoHS Compliant Examples: 8250-151K-RC = 150 µH, packaged 500 pcs. per bag 8250-R39K-TR-RC = 0.39 µH, packaged 2500 pcs. per 14-inch reel 8250 Series - Shielded RF Choke Electrical Specifications (@ 25 °C) - Continued Part Number 8250-821K-RC 8250-102K-RC 8250-122K-RC 8250-152K-RC 8250-182K-RC 8250-222K-RC 8250-272K-RC 8250-332K-RC 8250-392K-RC 8250-472K-RC 8250-562K-RC 8250-682K-RC 8250-822K-RC 8250-103K-RC 8250-123K-RC 8250-153K-RC 8250-183K-RC 8250-223K-RC 8250-273K-RC 8250-333K-RC 8250-393K-RC 8250-473K-RC 8250-563K-RC 8250-683K-RC 8250-823K-RC 8250-104K-RC Inductance (µH) ±10 % 820 1000 1200 1500 1800 2200 2700 3300 3900 4700 5600 6800 8200 10,000 12,000 15,000 18,000 22,000 27,000 33,000 39,000 47,000 56,000 68,000 82,000 100,000 Q Min. 70 65 70 70 70 70 70 70 70 70 70 70 70 70 50 50 50 50 50 50 50 50 50 50 50 50 Test Freq. (MHz) 0.79 0.79 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.079 0.079 0.079 0.079 0.079 0.079 0.079 0.079 0.079 0.079 0.079 0.079 SRF (MHz) Min. 4.8 4.5 2.6 2.5 2.3 2.2 2.1 2 1.8 1.7 1.6 1.5 1.4 1.3 0.88 0.78 0.72 0.57 0.46 0.42 0.42 0.37 0.36 0.35 0.34 0.32 DCR (Ω) max. 10.4 12.1 15.1 16.8 19.1 22.0 25.1 33.3 36.8 51.2 54.6 62 86.6 93.1 84 97 104 145 195 222 242 317 362 410 440 484 Idc (mA) 151 139 125 119 111 103 97 85 80 68 66 62 52 50 53 49 48 40 34 32 31 27 25 24 23 22 Isat (mA) 45 40 35 33 30 27 25 22 20 19 17 16 15 14 13 12 10 9 8 7.5 6 5.5 5 4 3.5 3 Typical Part Marking - MIL-STD Color Code Color Black Brown Red Orange Yellow Green Blue Violet Gray White Silver Gold 1st & 2nd Signifi cant Figure or Decimal Point 0 1 2 3 4 5 6 7 8 9 Decimal Point Multiplier Tolerance 1 10 100 1000 Example for L value less than 10 µH 6.8 µH, ±10 % Mil. identifi er (Silver, twice the width of other bands) 1st signifi cant fi gure (Blue) Decimal point (Gold) 2nd signifi cant fi gure (Gray) Tolerance (Silver) Example for L value 10 µH and higher 270 µH, ±5 % ± 10 % ±5% Mil. identifi er (Silver, twice the width of other bands) 1st signifi cant fi gure (Red) 2nd signifi cant fi gure (Purple) Multiplier (Brown) Tolerance (Gold) REV. 02/09 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications