Page 59 of MFJ 2006 Catalog by MFJ Enterprises, Inc.

Select MFJ hard-to-find Components for your Homebrew Projects Power Supply, Amplifier Transformers High-Voltage Vacuum Relays Ameritron sells Eimac (R) Tubes 811A, 572B, 3-500Zs . . . Tube Sockets RF Ceramic Doorknob Capacitors Electrolytic Capacitors Tube Plate Caps Heatsinks Non-InductiveResistors Tube Glass Chimneys Feedthru Insulators Ceramic Spacers AmplifierPlates and Filament Chokes Cooling Fans and Blowers Fig. A B Part No. # 406-3800 406-7310 Current 30A 600 mA 250 mA 15A Dimensions 4Wx4Lx3 3/4H 5Wx4 1/2Lx6H Weight 11 lbs. 20 lbs. Price $34.95 $49.95 SEC Voltage 18V 1. 1200V 2. 20V 3. 5.5V Pri. Voltage 120V 100/120/240 These transformers are for building power supplies and amplifiers. 406-3800 is designed for linear power supplies, that is capable of delivering current up to 30 Amps at 13.6 VDC. 406-7310 is designed for a single 3-500Z tube 1000 Watt HF amplifier. These vacuum relays are ideal for amplifier QSK switches. Contacts are capable of carrying 10 Amps and break down voltage is 5 kV. A. B. C. Power Relay 408-6230, $12.95. Midtex Relays 157-33C200, 3 PDT, 10A silver contacts, 24 VDC coil, dust cover with holding flanges. Has .187 quick connect terminals, 1.5Wx2.5Hx2.8D inches. Resistance 50 Ohm 50 Ohm 35 Ohm 45 Ohm 50 Ohm 50 Ohm Rating 50 Watts 35W cont. 35W cont. 35W cont. 90W cont. 200W cont. Diameter 1/2x 1/2 in. 3/4 inches 3/4 inches 3/4 inches 3/4 inches 1 inch Length 2.0 inches 2.5 inches 2.5 inches 2.5 inches 5 inches 6 inches Price $3.00 $22.50 $22.50 $15.00 $20.16 $32.31 .75 2.76 Fig. A* B B B C D E F Part No. # 115-5800 113-1220 113-1350 113-1450 115-1500 119-1500 755-3080 755-4100 Can-type electrolytic capacitors ideal for amplifiers and power supply applications. They have snap-in PCB terminals. RF Ceramic Doorknob Capacitors are manufactured by High Energy. These RF transmitting capacitors are ideal for use in RF amplifiers. Threaded 6-32 ends for easy connection. 3/4 dia. x .625 long. Terminal clip for 3/4 dummy load resistor, requires 2 per resistor. Terminal clip for 1 dummy load resistor, requires 2 per resistor. *Item A is an RCD 620, wire wound. Solder terminals attached,2 mounting holes. 606-1006, $3.10 Ceramic Feedthrough insulator comes complete with hardware. 3/4 diameter x1 1/4 . Fits 7/16 dia. chassis holes. 5-way Binding Post Nylon Insulation, 30A, 1000 VAC, 10-32 stub is tin plated brass. 606-0013, $.93. Red. 606-0014, $.93. Black. Ceramic spacers are used to properly isolate your dummy load resistor from the chassis. Withstands high power and high frequencies. A. 719C- 0500C, $0.50 1/4 diameter by 1/2 long, 6-32 threaded holes on both ends. B. 719D-1000C, $1.00 1/2 diameter by 1 long, 8-32 threaded holes on both ends. Ameritron sells Eimac (R) tubes for amateur radio, broadcast and industrial uses. Call for a quote! A. 3CX800A7, $559.00 B. 3CX1200A7, $795.00 C. 3CX1500A7, $849.00 Dont just buy any untested tube that can damage your amp. Buy Ameritron fully tested and warranteed tubes. Match pairs are also available. A. B. C. A. B. C. D. A. B. A. 350-0811A, $17.95, 811A tube. B. 350-0572B, $59.95, 572B tube C. 380-0500GT, $189.95, Taylor 3-500ZG tube Fig. A B C D E #pin 5 9 7 11 4 Part No. # 625-8500 625-8199 625-8731 625-8800 625-8811 Price $14.95 $2.49 $45.50 $50.40 $3.20 Fit Tube Type 3-500Z, 3CX1200A7 6LQ6 or equivalent 3CX1500A7/8877 3CX800A7 811A, 572B or equiv. Fig. A B C D Part No. # 750-1800 750-0323 755-3626 755-6811 Price $5.95 $7.98 $8.28 $2.50 Description Plate cap for 3-500Ztubes. Finned aluminum heat sink with set screw. 3/4 dia. by 9/16 thick. Plate cap for 3-500Z tubes. Finned aluminum heat sink with set screw. 1 1/4 dia. by 5/16 thick. Plate clip for 3CX1500A7/8877 tube. Ceramic plate cap for 811A, 572B tubes. Manufacturer PN/Description custom made glass epoxy socket PCB mount pins EF Jhnsn 122-0247-202 ceramic EF Johnson 124-0311-100 4-pin ceramic A. 391-1500, $14.10 Chimney for 3CX1500A7/8877 tube B. 391-3500, $30.60 Chimney for 3CX1200A7 and 3-500Z tubes. Fig. A B C D E Part No. # 10-15197 10-15144 719-7380C 10-15115-1 412-0109 Price $20.00 $9.66 $7.95 $17.50 $9.00 Description Complete plate choke covers 1.8-30 MHz, includes WARC bands, 225 uH, handles 1.5A, 4 kV. Wound on 1 dia. x 5 5/8 long glazed ceramic form. Used in Ameritron amps. Plate choke covers 1.8 to 30 MHz, 1.5A, 2kV, wound on 1/2 dia. by 4 long ceramic form. Used in most sweep tube amps. Glazed ceramic plate choke form. 1 dia. by 5 long. Both ends tap for 1/4 -20 screw. Complete broadband filament choke. Use for 3-500Z, 3CX800A7, 3CX1200A7 and 3CX1500A7 tubes. Handles 30A, covers 1.8-30 MHz. 12 gauge enamel wire, bifilar wound on .5 dia. by 6 long ferrite rod. Filament choke ferrite rod. 5 dia. by 6 long. Used in 10-15115-1. High output box fans and blowers are ideal for cooling amplifiers. A. 410-3583, $18.85. 80x80x38.5 mm, 1800 RPM, 28 CFM, 30 dBA noise level, sleeve bearing, 120 VAC, 60 Hz, with 14 wire lead. Fan guide, B. 410-4584, $.90. C. 410-3138, $43.06, high quality box fan by EBM, metal housing with metal impeller, extremely quite 120x120x38.5 mm, 61 CFM, 28 dBA noise level, sleeve bearing, 120 VAC, 60 Hz, wire terminals. Fan guides: D. 410-4600, $3.34, metal; E. 410- 4586, $.99, plastic. A. 410-1200, $64.95. EBM Blower, G2S097-DB61-08, 110 VAC, 5 1/2Wx5 1/2Hx1 1/2D inches. 37 CFM, 45 dBA noise level. Wire leads. B. 410-1100, $39.95. Interfan Blower, PMB24-115-4B, 110 VAC, 4 3/4Wx4 3/4Hx1 1/4D inches. A. 408-8100, $35.00. Kilovac S05FJA238, DPST-NO, contact form, 2A, 5kV rating between contacts, current is 10A DC or 5A RF, 12 VDC coil voltage and 500 Ohm coil resistance. B. 408-8400, $7.00. Kilovac S05FNA238, DPST, 1 pole NO, 1 pole NC, contact Form A B combined, 5 kV rating between contacts, contacts current 10A DC or 5A RF, 12 VDC coil voltage and 500 Ohm coil resistance. C. 408-8500, $29.95. Wabash 1017-20-1, DPST, one pole normally open, one pole normally closed. 12 VDC coil voltage. . Price $12.95 $14.95 $13.95 $12.95 Part No. # 290-0150-5 290-0400-5 290-0500-5 290-1100-5 Description HH58, 150 pF, 20%, 5 kV HH58, 400 pF, 20%, 5 kV HH58, 500 pF, 20%, 5 kV HH58, 1000 pF, 20%, 5 kV Price $5.44 $6.71 $2.21 Cap uF 220 1000 6800 WVDC 400 V 250 V 50V D x L (in.) 1 3/16x1 5/8 1 3/8x2 1 3/16x2 Part No. # 270-6220-7B 270-7100-5A 270-8680-2 A. B. A. B. C. D. E. F. A. B. C. A. B. C. D. E. A. B. C. A. B. D. E. www.mfjenterprises.com 59

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