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 +105C Notes * Rated current to cause 50C max. temperature rise and 5% max. inductance drop 1.5 Max. 1.03 Max. 0.5 Lead tinned to within 1/8" of body C D (Dia) 0.18 Dimensions: Inches Part Number 1140-1R8M 1140-2R2M 1140-2R7M 1140-3R3M 1140-3R9M 1140-4R7M 1140-5R6M 1140-6R8M 1140-8R2M 1140-100K 1140-120K 1140-150K 1140-180K 1140-220K 1140-270K 1140-330K 1140-390K 1140-470K 1140-560K 1140-680K 1140-820K 1140-101K 1140-121K 1140-151K 1140-181K 1140-221K 1140-271K 1140-331K 1140-391K 1140-471K 1140-561K 1140-681K 1140-821K 1140-102K 1140-122K 1140-152K 1140-182K 1140-222K 1140-272K 1140-332K 1140-392K 1140-472K 1140-562K 1140-682K 1140-822K 1140-103K 1140-123K 1140-153K L (H) 20% @ 1KHz 1.8 2.2 2.7 3.3 3.9 4.7 5.6 6.8 8.2 10% 10 12 15 18 22 27 33 39 47 56 68 82 100 120 150 180 220 270 330 390 470 560 680 820 1000 1200 1500 1800 2200 2700 3300 3900 4700 5600 6800 8200 10,000 12,000 15,000 1140 Series DCR I, dc* Max. (A) 27 27 27 27 27 27 27 27 27 1.11 1.11 1.11 1.11 1.11 1.11 1.11 1.15 1.15 0.081 0.081 0.081 0.081 0.081 0.081 0.081 0.081 0.081 0.005 0.005 0.006 0.008 0.009 0.010 0.011 0.012 0.018 0.019 0.021 0.023 0.025 0.028 0.040 0.045 0.050 0.056 0.074 0.082 0.114 0.125 0.139 0.154 0.216 0.232 0.324 0.360 0.494 0.555 0.773 0.845 1.14 1.60 1.76 1.95 2.76 3.04 3.39 27 27 27 27 21 21 21 21 14.4 14.4 14.4 14.4 14.4 14.4 11.4 11.4 11.4 11.4 11.4 9 7.2 7.2 7.2 7.2 5.5 5.5 4.5 4.5 4 4 2.8 2.8 2 2 1.6 1.6 1.3 1.3 1.3 1.15 1.15 1.15 1.15 1.15 1.15 1.15 1.15 1.15 1.15 1.15 1.15 1.15 1.15 1.15 1.15 1.15 1.15 1.15 1.15 1.15 1.15 1.15 1.15 1.15 1.14 1.14 1.14 1.10 1.12 1.10 1.10 1.12 1.09 1.12 1.09 1.11 1.08 1.10 0.081 0.081 0.081 0.081 0.081 0.081 0.072 0.072 0.072 0.064 0.064 0.064 0.064 0.057 0.057 0.057 0.051 0.051 0.051 0.045 0.045 0.040 0.040 0.040 0.040 0.036 0.036 0.036 0.032 0.032 0.029 0.029 0.029 0.025 0.025 0.023 0.023 0.020 0.020 306 E. Alondra Blvd. Gardena, CA 90247-1059 * Phone (310) 515-1720 * FAX (310) 515-1962 wwww.jwmiller.com Dim. D Nom. 0.002 0.002 0.003 0.003 0.003 0.003 0.004 0.004 0.004 Also available as RoHS compliant. 22.4 Dim. C Approx.