Page 58 of MFJ 2006 Catalog by MFJ Enterprises, Inc.

58 www.mfjenterprises.com Figure A A B B B C D* D* Part No. # 282-2005 282-8700 282-2010 282-2012 282-2150 282-2006 282-5050-1 282-5160 Price $23.85 $14.95 $17.25 $16.02 $18.90 $18.51 $19.62 $17.97 Plates 50 18 2 13 20 40 15 15 Dimensions 1.4Wx1Hx3D in. 1.4Wx1Hx2.8D in. 1.4Wx1Hx1.7D in. 1.4Wx1Hx1.1D in. 1.4Wx1Hx1.3D in. 1.4Wx1Hx1.7D in. 1.2Wx1.3Hx1.3D in. 1.2Wx1.3Hx1.3D in. Cap. pF 16-208 10-26 2-10 5-51 6-154 12-313 5-67 6-180 VRMS 1000 1500 640 1000 640 640 1200 350 Gap .032 .080 .016 .032 .016 .016 .045 .010 Figure A B B B C C C D Part No. # 282-2113 282-2112-1 282-2572-1 282-2573-1 282-2571 282-2570 282-5200 282-3700 Price $26.19 $36.52 $46.18 $57.34 $44.95 $51.68 $44.95 $39.95 Plates 23 x 3 37 37 53 49 37 59 31 Dimensions 1.8Wx1.8Hx3.3D 2.8Wx2.6Hx5D 2.8Wx2.6Hx4D 2.8Wx2.6Hx4.5D 2.8Wx2.6Hx4.3D 2.8Wx2.6Hx7D 2.8Wx2.6Hx4.5D 2.8Wx2.6Hx6D Cap. pF 20-823 20-250 20-405 25-800 20-920 20-171 20-801 15-176 7-23 VRMS 800 V 2.5 kV 1.5 kV 1.1 kV 1.1 kV 3.5 kV 1.3 kV 2.5 kV Gap .017 .075 .045 .030 .030 .120 .037 .075 Figure A A A B C* D* D* E* E* Part No. # 282-2007-1 282-2018-1 282-2008-1 282-2009-1 282-2015-1 282-2020 282-2028 282-2016 282-2017 Price $30.94 $35.68 $53.68 $61.64 $53.52 $70.56 $100.08 $69.95 $89.95 Plates 27 37 55 110 165 35 70 56 110 Dimensions 2.5Wx3.6Hx6D 2.5Wx3.6Hx6D 2.5wx3.6hx10.8d 2.5wx2.6hx10.8d 2.5wx2.6hx10.8d 3.5Wx4.5Hx6D 3.5Wx4.5Hx9.6D 2.5wx3.5hx10.8d 2.5wx3.5hx10.8d Cap. pF 10-125 10-250 10-250 12-500 10-300 40-493 50-996 12-67 18-136 VRMS 3 kV 1.5 kV 3 kV 1.5 kV 3 kV 6 kV 6 kV 4.2 kV 4.2 kV Gap .120 .045 .120 .045 .120 .045 .045 .045 .045 Air Variable Capacitors MFJ high power RF rotary switches MFJ Knobs, Pointers and Ball Drives MFJ AirCore TM Roller Inductors Amplifier high-voltage Variable Caps High Voltage Air Variable Capacitors A. B. C. A. B. C. D. E. F. A. B. C. D. E. F. G. H. I. J. K. A. B. C. D. * Items D are broadcast style variables and are used in MFJ Analyzers and Transceivers. A 8:1 Vernier drive is built into the capacitor. Item C is a differential capacitor, as used in the MFJ-986 antenna tuner. Items D are dual-gang capacitors, capacitance specified is total capacitance. Items E are butterfly tuning capacitors. They are used in MFJ loop tuners and have no rotating contacts, super low losses. Used in Ameritron high power linear amplifiers. Items B have delrin insulated shaft. Item D has two capacitance sections. MFJ high-voltage switches have 3/8-32 bushing and 1/4 inch round shaft. *D, E, and F are switches that are specially designed for amplifier band switching. MFJ Knobs are made of the highest quality heat and impact-resistant phenolic resin. Shaft holes fit 1/4 round shaft. Knobs have metal inserts. Supplied with set screws. Figure A B C* Part No. # 404-1052 404-1056 404-1060 Price $59.00 $62.65 $53.60 shaft size 3 1/2 3 2 1/2 Dimensions 3Wx3Hx7 1/2D 3Wx3Hx9 1/4D 3Wx4 1/2Hx7 1/2D L. uH 33 44 22 Turns 43 57 31 Coil Dia. 2 2 2 Fig. A B C D* E* F* Part No. # 500-2026 500-2038 500-2027 500-2811 500-2135 500-3557-1B Price $24.48 $43.68 $58.32 $45.60 $78.20 $141.90 index deg 30 30 60 30 30 20 Contact 9 Amps 9 Amps 9 Amps 9 Amps 9 Amps 17 Amps dielectric VAC 1500 1500 1500 1500 1500 3000 material glass epoxy ceramic ceramic ceramic ceramic ceramic dia. 1.44 1.88 1.88 1.88 1.88 2.81 Poss 12 6 6 6 6 6 Sect. 1 1 2 1 3 2 Pole 1 1 2 2 4 4 Ameritron AirRoller Inductor 404-1032, $140.00. Flat wire, edge-wound, high power air roller inductor. Silver plated Cu coil, silver plate contact discs and contact shaft. Heavy duty 1/4 thick fiberglass frame. 16 uH, 31 turns, 2 1/2 coil diameter, 1/4 round shaft, 3 shaft length. Size: 2 3/4W x3 1/8Hx8D in. Used in Ameritrons ATR-30, which easily handles 1500 Watts, 1.8-30 MHz. MFJs exclusive super heavy duty AirCore TM Roller Inductor has an air core that cant burn up! You get ultra high-Q, the lowest loss, highest efficiency and highest power handling of any roller inductor in ham radio. MFJs exclusive Self-Resonance Killer TM keeps potentially damaging selfresonances away from your operating frequency. Large, self-cleaning wiping contact gives excellent low-resistance connection without contact arcing or burning. A solid 1/4 inch brass shaft with self-align bearings gives smooth non-binding rotation. 12 gauge tin-plated copper wire. Silver plated contact wheels and shaft. Fiberglass frame. Part No. 404-0811 404-1610 404-0600 404-0669 404-0700 404-0008 404-0024 404-0009 755-4001 Price: $22.95 $37.95 $37.95 $37.95 $37.95 $22.95 $37.95 $22.95 $3.00 Inductance 70 uH 92 uH 44 uH 79 uH 77 uH 159 uH 35 uH 230 uH Coil length 9 1/2 in. 10 in. 12 in. 12 in. 12 in. 10 in. 11 in. 10.5 in. Coil Diameter 1 3/4 in. 1 3/4 in. 2 in. 2 in. 2 in. 2 1/2 in. 3 in. 3 in. Turns per Inch 10 10 6 8 8 10 4 10 Wire size (AWG) 14 16 10 12 10 16 10 16 MFJ Air-Wound Coils MFJ air-wound coils are constructed with a solid rigid round acrylic rod and tinplated solid copper wires embedded into the acrylic rod. They are super strong and superbly crafted. MFJ winds them tough so they stay wound. Select a special MFJ air-wound coil for your mobile and portable antennas, antenna tuners, amplifiers and other projects. *C item has 1/4 round phenolic tuning shaft, has no self-resonancekiller . A and B have 1/4 round brass tuning shaft. Designed to clip on air-wound coil for wire size up to AWG 12. 1/4 wide silver plated contact has set screw to secure. Contact socket for banana plug. Fig. A B C D E F G H I J K Price $1.25 $2.80 $3.50 $3.00 $9.95 $2.35 $1.95 $1.95 $4.95 $1.95 $1.78 Pointer/skirt diam. 1 inch 1 1/2 inches 2 inches 1 1/2 inches 2 1/8 inches 2 1/4 inches 7/8 inches 7/8 inches 1 3/4 inches 1 1/4 inches 1 3/8 inches Knob dia. 11/16 inch 1 1/4 inches 1 5/8 inches 1 inch 1 7/8 inches 1 1/16 inches 3/4 inches 13/16 inches 3/4 inches 11/16 inches 1 1/4 inches Height 9/16 inches 3/4 inches 7/8 inches 3/4 inches 1 3/8 inches 1 inch 11/16 inches 5/8 inches 1 1/2 inches 3/4 inches 7/8 inches Part No. # 760-0035 760-0125 760-2281-1 760-0550 760-0275B 760-0277 760-0278 760-0276 760-2409 760-0176 760-0177A Vernier Reduction Ball Drive 729-0142, $11.92 6:1 Tuning Ratio. Used in Ameritron amplifiers and tuners. Dial plate mounting flange. Two pre-tap pointer mounting holes, mates with 1/4 shaft, has pre-tap set screw holes. 1/4 shaft, 3 1/4 Length. Knob Pointers 726-0227R, $1.55 Red, 1 1/4 Length, matches 2 tuning knob. 726-0230R, $1.25 Red 1 Length, matches 1 1/2 tuning knob. Both pointers are made to fit 729-0142, 6:1 reduction drive. Turn Counter Set 780-3169K, $14.95 Set includes counter module, two gears and mounting bracket. Driving gear fits 1/4 round shaft. Counter ratio is 3:1. Has 3-digits, counts up to 333 turns. Silver Plated! Edge-Wound! A. B. C. D. A. B. C. D. E. Select MFJ hard-to-find Components for your Homebrew Projects

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