Large RF Coils
Plug-in Coupling Coil
500 watts / 5 turns each
(IRF) 500HCS/LCS14
EF Johnson plug-in coupling coil. 500 watts. 2-1/2" outside diameter, 5 turns each. 5-3/4"L. Standard banana plugs.
$49
Plug-in Coupling Coil
500 watts / 5 turns each
(IRF) 500LCF/LCS20
EF Johnson plug-in coupling coil. 500 watts. 2-3/4" outside diameter, 5 turns each. 20 meters. 5-3/4"L. Standard banana plugs.
$79
Plug-in Coupling Coil
1000 watts / 6 turns each
(IRF) 1000HCS20
EF Johnson plug-in coupling coil. 1000 watts. 3-1/4" outside diameter, 6 turns each. 20 meters. 8-1/2"L. Giant banana plugs.
$107
Plug-in Coupling Coil
1000 watts / 16 turns each
(IRF) 1000HCS80
EF Johnson plug-in coupling coil. 1000 watts. 3-5/8" outside diameter, 16 turns each. 8-1/2"L. 80 meters. Giant banana plugs.
$125
B & W Link Coil Assy
250 watts
(IRF) 80TVL
Barker & WIlliamson link coil assembly. 80 meter, 250 watts. Base measures 5-1/2" L x 2-1/2" O.D. New, boxed. Mfg. P/N: 3319.
$95 each
Silver RF Edgewound Coil
38 Turns
(IRF) 4-38
Silver RF edgewound coil. 38 turns. 4-3/8" outside diameter, 3-5/8" inside diameter. Ribbon stock, 0.05" x 0.375".
$95 each
Tank Coil / Balun
(IRF) 11X1.75
Tank coil / balun. 12 AWG wire intubing end to end / Teflon sleeving. 1/4"D tubing. 1-3/4" outside diameter x 4" overall length. 11-1/4 turns.
$25 each
Bud 15 Meter Transmitting Coil
(IRF) BUD15
Bud 15 meter transmitting coil. 8-1/2"L, 3-3/8"D coil. Includes jack bar.
$95 each
Edgewound Inductor Spacer Bar
(ICF) 414-0018-000
Edgewound inductor spacer bar. Ceramic / steatite. 16 winding grooves over 5-1/4". 9-1/4" overall length. 1/4" x to 1/2" log spacing.
$23 each
Edgewound Coil Support
(ICF) 821-0776-002
Sunair edgewound coil support. Composite fiberglass insulator. 13"L x 1-1/4" x 3/8". Slots measure: 0.111"W x 0.14" deep. 0.313" centers on slots. Slotted winding area measures 8-7/8"L.
$18 each - $16 (5+)
Edgewound Inductor
200 µH / 10 amp
(IRF) 200-407-1
Cardwell Condenser edgewound inductor. 200 µH, 10 amp. 49 turns. Ribbon conductor. Coil dimensions: 15-7/16" x 7-1/2". Overall dimensions: 16-1/2" x 9-3/4". 1/4" x 0.054" silver ribbon conductor. New, old stock. Multronics P/N: MJ200-10.
$695 each - $633 (3+)
Silver RF Inductor
(IRF) 202-505-4
EF Johnson silver RF inductor. 8-1/2"L x 7-3/4" outside diameter. 3/8" outside diameter tubing. Includes 5 movable tabs. Alt. P/N: 6049-6035.
*** SOLD OUT ***
Fixed Inductor
26 µH / 30 amp
(IRF) 26-VC-2144
Gates fixed inductor. 26 µH, 30 amp. 6" x 6-1/2" x 10"L. 1/2" x 1/16" ribbon. Used.
$225
Edgewound Inductor
82 µH / 10 amp
(IRF) EFJ82
EF Johnson edgewound inductor. 82 µH, 10 amp. 5"D x 12"L. 1/4" ribbon. Used.
*** SOLD OUT ***
Gates Transmitter Tank Circuit
5 - 12 MHz
(IRF) L15B
Gates transmitter tank circuit with coupling coil. 5 - 12 MHz. Outer coil = 7" O.D., 1/2" silver tubing, 12 turns. Inner coil = 5" O.D., 1/2" edgewound silver with taps, 5 turns. Overall dimensions: 18" x 11" x 15-3/4" high. New, old (and tarnished) stock.
$350 each
Silver RF Tank Coil
1.8 µF
(IRF) CL143REVA
Silver RF tank coil. 1/4"D tubing. 1.8 µF. 7-1/4 turns, 3-1/8" O.D., 2-3/4" I.D. Taps at 1/2 turn, 2-2/3 turns, 4-1/4 turns, 6-1/2" strap. 6" strap, 4" strap, at end 5" strap. 3 studs, 10 - 24 for mounting. Straps have PTFE sleeving.
NSN: 5950-00-702-2936.
$115 each
Silver Coil Tapping Clip
(IRF) .375CLIP
Silver coil tapping clip for 3/8" diameter silver tubing.
*** SOLD OUT ***
Continental 420 Inductor
(IRF) CE03-03-02
Continental 420 inductor. Main ceramic form measure 3-1/2"D x 7"L. Continental P/N: CEM-L4A. Used.
$95
Edgewound Fixed Coil
5.5 µH / 15 kw
(IRF) 943-3777
Edgewound fixed coil. 5.5 µH, 15 kw. Includes 1 tap clip. 5" diameter coil, 6 turns. 1/2 copper - bore, 4 turns per inch. Harris IPA filter assembly. Gates P/N: 943-3777-007.
$225 each
Silver RF Coil
18 µH / 5 kw
(IRF) 200-0125
Cardwell silver RF coil. 15 turns of 1/4" silver plated flat stock, 4-1/2" diameter, 3-5/8" long coil. 4 turns per inch. 7" overall height. Great tank coil for RF circuit. Tap at any point for exact match.
$165 each
Silver RF Coil
26 µH / 5 kw
(IRF) 200-101-1
Cardwell silver RF coil. 22 turns of 1/4" silver plated flat stock, 4-1/2" diameter, 5-1/4" long coil. 4 turns per inch. 9" overall height. Great tank coil for RF circuit. Tap at any point for exact match. Mfg. P/N: MJ26-10.
$189 each
Silver RF Coil
15 µH / 15 kw
(IRF) 200-306-1
Multronics silver RF coil. 16 turns of 1/2" silver plated flat stock, 5" diameter, 4-3/4" long coil. 4 turns per inch. 9" overall height. Great tank coil for RF circuit. Tap at any point for exact match.
$265 each
RF Coil
50 amp
(IRF) 14T50
RF coil. 50 amp. 5" outside diameter. Two, 7 turn sections. 14 turns total. 1/2" wide x 0.1" thick copper coil.
$125
Silver RF Coil
200 µH / 5 kw
(IRF) C35-13510
Silver plated coil similar to above is replacement inductor for military auto tuner. Taper wound low end. Large gauge silver wire. 4" diameter x 24" long. Wound on fiberglass form with 7" diameter aluminum flange on one end.
$175 each
Silver RF Coil
1 mH / 5 kw
(IRF) 10X1121
Silver plated coil appropriate for loading 160 meters or VLF frequencies with 1 mH total inductance. Also cut in half to build traps for 80/160 meter dipole. Snag a few large ceramic insulators (ANT) BFAI-14 for center insulators. 5-1/2" diameter, 20" long. Wound on fiberglass form. Has 14 ga. wire. Should handle 5 kw+. Fiberglass core. Weighs: 7 pounds. NOTE: Item (ICH) 10X348 (right) similar, but 0.9 mH.
$149 each
Silver RF Coil
0.9 mH
(ICH) 10X348
Silver plated coil appropriate for loading 160 meters or VLF frequencies with 0.9 mH total inductance. 5-1/2" diameter, 20" long. Wound on fiberglass / steatite form. Has 14 gauge wire. Should handle 5 kw+. Fiberglass core. Weighs: 7 pounds. Brand new surplus Mil-spec stock in original package. Very nice! NSN: 5950-00-284-5733.
$125 each
Tank Coil
(IRF) STP150128
Tank coil. 3/8" silver tubing. 3 large full turns + 1 small 1/2 turn. 4" outside diameter.
$75 each
Silver Tank Strap
(IRF) 151168
Silver tank strap. 0.4" outer diameter. 4-1/2" c-c holes. 6-3/8" overall length.
$23 each
Silver Tank Coil
(IRF) SRSTANK
4-1/2" outer diameter silver tank coil. 0.35" x 0.8" flat stock. 1.5 turns. Broadcast tank. Made for SRS broadcast transmitter.
$103 each
Silver Tank Coil
(IRF) 151955
4-1/2" outer diameter silver tank coil. 0.67" round stock. 1.5 turns. Broadcast tank. Made for SRS 10 kw transmitter.
$107 each
Silver Tank Coil
(IRF) 150127
4-1/4" outer diameter silver tank coil. 0.40" round stock. 2-1/2" turns. Broadcast tank. Made for SRS 10 kw transmitter.
$83 each