306 e. alondra blvd. gardena, ca 90247-1059 ? phone (310) 515-1720 ? fax (310) 515-1962 wwww.jwmiller.com 18.1 shielded rf chokes special features ? ferrite magnetic shielded for low radiation ? high q, high reliability ? epoxy end-fill to protect coil from extreme environment ? consistent body diameter ? dielectric strength 500vrms ? operating temperature: C55 to +105c ? color banded per mil std typical applications ? telecommunications ? signal processing ? high reliability, low magnetic coupling and densely packed board design notes * rated current to cause 35c temperature rise ** incremental current to cause 5% inductance 8250 series part number l (h) 10% q min. test freq. (mhz) srf (mhz) min. dcr ? max. i, dc* (ma) i, incr.** (ma) 8250-r10k 0.10 50 25.0 400 0.026 3000 3000 8250-r12k 0.12 50 25.0 400 0.029 2860 2860 8250-r15k 0.15 50 25.0 400 0.034 2600 2600 8250-r18k 0.18 50 25.0 400 0.044 2300 2300 8250-r22k 0.22 50 25.0 400 0.056 2050 2050 8250-r27k 0.27 50 25.0 400 0.09 1625 1625 8250-r33k 0.33 47 25.0 325 0.122 1400 1400 8250-r39k 0.39 47 25.0 390 0.161 1220 1220 8250-r47k 0.47 47 25.0 264 0.218 1060 1060 8250-r56k 0.56 45 25.0 249 0.29 900 900 8250-r68k 0.68 43 25.0 221 0.382 790 790 8250-r82k 0.82 41 25.0 200 0.45 725 725 8250-1r0k 1.0 42 25.0 156 0.054 2080 2080 8250-1r2k 1.2 43 7.9 144 0.07 1840 1840 8250-1r5k 1.5 41 7.9 128 0.096 1560 1560 8250-1r8k 1.8 42 7.9 121 0.107 1480 1480 8250-2r2k 2.2 42 7.9 108 0.142 1290 1290 8250-2r7k 2.7 41 7.9 96 0.184 1130 1130 8250-3r3k 3.3 41 7.9 88 0.26 950 950 8250-3r9k 3.9 41 7.9 84 0.354 815 815 8250-4r7k 4.7 42 7.9 72 0.168 710 710 8250-5r6k 5.6 42 7.9 69 0.511 680 680 8250-6r8k 6.8 42 7.9 62 0.75 560 560 8250-8r2k 8.2 46 7.9 58 0.828 535 535 8250-100k 10 46 7.9 53 1.27 532 532 8250-120k 12 50 2.5 47 1.76 368 368 8250-150k 15 50 2.5 41 2.3 325 325 8250-180k 18 50 2.5 43 0.677 596 235 8250-220k 22 50 2.5 38 0.742 565 220 8250-270k 27 50 2.5 36 0.85 526 200 8250-330k 33 50 2.5 33 0.928 505 190 8250-390k 39 50 2.5 29.4 1.28 429 180 8250-470k 47 55 2.5 26.5 1.48 400 175 8250-560k 56 55 2.5 25 1.64 380 160 8250-680k 68 55 2.5 23 2.2 328 150 8250-820k 82 55 2.5 14 1.96 349 140 8250-101k 100 65 2.5 12 2.28 322 120 8250-121k 120 65 0.79 11.2 2.45 311 95 8250-151k 150 65 0.79 10.5 2.79 294 90 8250-181k 180 65 0.79 10 3.08 277 85 8250-221k 220 65 0.79 9.4 3.48 251 80 8250-271k 270 65 0.79 8 4.55 231 70 8250-331k 330 65 0.79 7.3 5.1 215 65 8250-391k 390 65 0.79 6.9 5.62 205 60 8250-471k 470 70 0.79 6.5 6.45 192 58 8250-561K 560 70 0.79 6 8.0 174 55 8250-681k 680 75 0.79 5.6 8.85 163 50 8250-821k 820 70 0.79 4.8 10.4 151 45 continued next page. 0.020 1.0 0.45 min. max. 0.164 max. dimensions: inches also available as rohs compliant.
|
