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 * Rated current to cause 50C max. temperature rise and 5% max. inductance drop .81 max. .84 max. 0.5 Lead tinned to within 1/8" of body C D (Dia) 0.18 1120 Series Part Number 1120-1R0M 1120-1R2M 1120-1R5M 1120-1R8M 1120-2R2M 1120-2R7M 1120-3R3M 1120-3R9M 1120-4R7M 1120-5R6M 1120-6R8M 1120-8R2M L (uH) 20% @ 1KHz 1.0 1.2 1.5 1.8 2.2 2.7 3.3 3.9 4.7 5.6 6.8 8.2 DCR () Max. 0.003 0.003 0.003 0.003 0.004 0.005 0.005 0.005 0.005 0.006 0.007 0.007 Idc (A) 11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4 Dim. C Approx 0.63 0.63 0.63 0.63 0.63 0.63 0.63 0.63 0.63 0.63 0.63 0.63 Dim. D Nom. 0.072 0.072 0.072 0.072 0.072 0.064 0.064 0.064 0.064 0.064 0.064 0.064 1120-100K 1120-120K 1120-150K 1120-180K 1120-220K 1120-270K 1120-330K 1120-390K 1120-470K 1120-560K 1120-680K 1120-820K 1120-101K 1120-121K 1120-151K 1120-181K 1120-221K 1120-271K 1120-331K 1120-391K 1120-471K 1120-561K 1120-681K 1120-821K 1120-102K 1120-122K 1120-152K 1120-182K 1120-222K 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 0.009 0.009 0.013 0.018 0.019 0.026 0.029 0.030 0.035 0.039 0.053 0.060 0.080 0.090 0.098 0.110 0.150 0.213 0.305 0.320 0.355 0.388 0.430 0.590 0.818 1.14 1.26 1.39 1.54 11.4 11.4 9 7.2 7.2 5.5 5.5 5.5 5.5 5.5 4.8 4.8 4 4 4 4 2.8 2 1.6 1.6 1.6 1.6 1.6 1.3 1 0.8 0.8 0.8 0.8 0.63 0.63 0.63 0.63 0.63 0.63 0.60 0.60 0.62 0.62 0.62 0.62 0.62 0.62 0.62 0.62 0.62 0.60 0.60 0.60 0.60 0.60 0.60 0.60 0.60 0.60 0.60 0.60 0.60 0.064 0.057 0.057 0.051 0.051 0.051 0.045 0.045 0.045 0.040 0.040 0.040 0.036 0.036 0.032 0.032 0.032 0.029 0.029 0.025 0.025 0.025 0.025 0.023 0.020 0.020 0.020 0.018 0.018 306 E. Alondra Blvd., Gardena, CA 90247-1059 * (310) 515-1720 * FAX (310) 515-1962 116 w w w . j w m i l l e r . c o m