306 e. alondra blvd., gardena, ca 90247-1059 ?(310) 515-1720 ?fax (310) 515-1962 www.jwmiller.com high current rf chokes special features very high current capacity low dcr epoxy coated ferrite bobbin core vw-1 rated shrink tubing to cover winding self-leaded fixed lead spacing center hole for mechanical mounting dielectric withstanding voltage: 2500vrms terminal to shrink tube cover; 1000vrms terminal to core operating temperature -55 to +105? rated current to cause 50? max. temper- ature rise and 5% max. inductance drop 1140 series l(uh) dcr dim. dim. part 20% ( ? ) idc c d number 1 @ 1khz 4 max. 0 (a) - approx nom. 1140-1r8m 1.8 0.002 27 1.11 0.081 1140-2r2m 2.2 0.002 27 1.11 0.081 1140-2r7m 2.7 0.003 27 1.11 0.081 1140-3r3m 3.3 0.003 27 1.11 0.081 1140-3r9m 3.9 0.003 27 1.11 0.081 1140-4r7m 4.7 0.003 27 1.11 0.081 1140-5r6m 5.6 0.004 27 1.11 0.081 1140-6r8m 6.8 0.004 27 1.15 0.081 1140-8r2m 8.2 0.004 27 1.15 0.081 10% 1140-100k 10 0.005 27 1.15 0.081 1140-120k 12 0.005 27 1.15 0.081 1140-150k 15 0.006 27 1.15 0.081 1140-180k 18 0.008 27 1.15 0.081 1140-220k 22 0.009 21 1.15 0.081 1140-270k 27 0.010 21 1.15 0.081 1140-330k 33 0.011 21 1.15 0.072 1140-390k 39 0.012 21 1.15 0.072 1140-470k 47 0.018 14.4 1.15 0.072 1140-560k 56 0.019 14.4 1.15 0.064 1140-680k 68 0.021 14.4 1.15 0.064 1140-820k 82 0.023 14.4 1.15 0.064 1140-101K 100 0.025 14.4 1.15 0.064 1140-121k 120 0.028 14.4 1.15 0.057 1140-151k 150 0.040 11.4 1.15 0.057 1140-181k 180 0.045 11.4 1.15 0.057 1140-221k 220 0.050 11.4 1.15 0.051 1140-271k 270 0.056 11.4 1.15 0.051 1140-331k 330 0.074 11.4 1.15 0.051 1140-391k 390 0.082 9 1.15 0.045 1140-471k 470 0.114 7.2 1.15 0.045 1140-561k 560 0.125 7.2 1.15 0.040 1140-681k 680 0.139 7.2 1.15 0.040 1140-821k 820 0.154 7.2 1.15 0.040 1140-102k 1000 0.216 5.5 1.15 0.040 1140-122k 1200 0.232 5.5 1.14 0.036 1140-152k 1500 0.324 4.5 1.14 0.036 1140-182k 1800 0.360 4.5 1.14 0.036 1140-222k 2200 0.494 4 1.10 0.032 1140-272k 2700 0.555 4 1.12 0.032 1140-332k 3300 0.773 2.8 1.10 0.029 1140-392k 3900 0.845 2.8 1.10 0.029 1140-472k 4700 1.14 2 1.12 0.029 1140-562k 5600 1.60 2 1.09 0.025 1140-682k 6800 1.76 1.6 1.12 0.025 1140-822k 8200 1.95 1.6 1.09 0.023 1140-103k 10,000 2.76 1.3 1.11 0.023 1140-123k 12,000 3.04 1.3 1.08 0.020 1140-153k 15,000 3.39 1.3 1.10 0.020 d (dia) lead tinned to within 1/8" of body 1.5 1.03 max. c 0.5 max. 0.18 mr0031 mech 11/17/2000 5:51 pm page 9
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