Shielded, Molded RF Chokes Special Features * Ferrite magnetic shielded for low radiation * High Q, high reliability * Injection molded to protect coil from extreme environment * Flame retardant coating * Consistent body dimension * Color band or numerical marking identification * Dielectric strength 1000VRMS * Operating temperature -55 to +105C Notes * Rated current to cause 35C maximum temperature rise ** Incremental current to cause 5% max. inductance drop 1.0 Min. 0.025 0.41 -/+0.02 0.162 -/+0.01 Dimensions: Inches Part Number 9250-101 9250-121 9250-151 9250-181 9250-221 9250-271 9250-331 9250-391 9250-471 9250-561 9250-681 9250-821 9250-102 9250-122 9250-152 9250-182 9250-222 9250-272 9250-332 9250-392 9250-472 9250-562 9250-682 9250-822 9250-103 9250-123 9250-153 9250-183 9250-223 9250-273 9250-333 9250-393 9250-473 9250-563 9250-683 9250-823 9250-104 9250-124 9250-154 9250-184 9250-224 9250-274 9250-334 9250-394 9250-474 9250-564 9250-684 9250-824 L (H) 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 82 100 120 150 180 220 270 330 390 470 560 680 820 Q Min. 50 51 51 50 49 47 46 44 44 43 42 40 44 44 44 44 44 44 44 44 44 44 50 50 50 55 45 45 45 45 45 50 50 50 50 50 50 55 55 55 55 55 55 60 60 60 60 60 9250 Series SRF Test Freq. (MHz) (MHz) Min. 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 0.79 Also available as RoHS compliant. 250 250 250 250 250 250 250 250 235 210 190 180 140 130 115 105 100 92 85 75 70 65 55 50 46 44 49 45 41 38 34 29 27 25 21 10.5 10.0 9.7 8.5 8.0 7.5 7.0 6.5 6.2 5.7 4.7 4.5 4.2 DCR Max. 0.025 0.034 0.037 0.047 0.067 0.11 0.13 0.18 0.25 0.33 0.45 0.59 0.07 0.10 0.12 0.14 0.19 0.28 0.35 0.40 0.55 0.72 1.02 1.32 1.62 2.0 0.80 0.89 0.96 1.19 1.37 1.93 2.11 2.23 2.70 2.44 3.12 3.6 4.1 4.4 5.0 5.8 6.4 7.4 9.5 10.5 11.8 13.0 I, DC* (mA) 1790 1530 1470 1300 1100 855 780 670 565 490 420 370 1070 895 815 775 650 535 480 450 380 335 280 250 220 200 315 300 290 260 240 205 195 190 170 180 160 150 140 135 125 115 110 105 92 90 80 80 I, Incr.** (mA) 1790 1530 1470 1300 1100 855 780 670 565 490 420 370 1070 895 815 775 650 535 480 450 380 335 280 250 220 200 250 235 220 200 190 180 175 160 150 140 120 95 90 85 80 70 65 60 58 55 50 45 Continued on next page. 306 E. Alondra Blvd. Gardena, CA 90247-1059 * Phone (310) 515-1720 * FAX (310) 515-1962 wwww.jwmiller.com 19.5 Shielded, Molded RF Chokes Special Features * Ferrite magnetic shielded for low radiation * High Q, high reliability * Injection molded to protect coil from extreme environment * Flame retardant coating * Consistent body dimension * Color band or numerical marking identification * Dielectric strength 1000VRMS * Operating temperature -55 to +105C Notes * Rated current to cause 35C maximum temperature rise ** Incremental current to cause 5% max. inductance drop Part Number 9250-105 9250-125 9250-155 9250-185 9250-225 9250-275 9250-335 9250-395 9250-475 9250-565 9250-685 9250-825 9250-106 9250-126 9250-156 9250-186 9250-226 9250-276 9250-336 9250-396 9250-476 9250-566 9250-686 9250-826 9250-107 L (H) 10% 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 9250 Series continued SRF DCR Test Q Freq. (MHz) Min. (MHz) Min. Max. 60 45 45 45 45 45 45 45 45 44 40 40 40 30 30 30 27 27 27 27 23 23 23 21 18 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 3.8 1.5 1.2 1.0 0.97 0.92 0.84 0.80 0.74 0.73 0.66 0.54 0.47 0.33 0.29 0.28 0.25 0.21 0.19 0.17 0.16 0.14 0.13 0.12 0.11 17.5 22.1 26.5 29.9 33.8 47.3 53.0 73.8 81.6 98.9 111 119 137 143 157 175 274 308 343 376 473 512 580 618 678 Also available as RoHS compliant. 1.0 Min. 0.025 0.41 -/+0.02 0.162 -/+0.01 Dimensions: Inches 19.6 306 E. Alondra Blvd. Gardena, CA 90247-1059 * Phone (310) 515-1720 * FAX (310) 515-1962 wwww.jwmiller.com I, DC* (mA) 70 60 55 50 50 40 40 35 31 28 27 26 24 23 22 21 17 16 15 15 13 13 12 11 11 I, Incr.** (mA) 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