Small RF Coils - 0 µH to 10 µH

Power Choke
2.65µH ±5% / 15 amps

(COL) 240-0875-010
Power choke. 2.65µH ±5% / 15 amps. Q=40 min. 0.375"D x 1.4"L body.
 

RF Choke
7 turn

(ICH) 506-0352002
RF choke. 7 turn. #24 wire on a 1/8"D x 3/8"L phenolic form. NSN: 5950-00-647-9897.
$6.50 each - $6 (6+)
 
$1.50 each

RF Coil
4 Turn

(ICH) 546-7077002
RF coil. 4 turns, wound on. 0.008 ohms DC resistance. Form measures 0.108" diameter x 0.4" long.
 

RF Silver Coil
1-1/4 Turn

(IRF) 9420630511
RF silver coil. 1-1/4 turn. 18 AWG (0.0403"). 0.2" outside diameter. NSN: 5950-00-003-7677.
$2.50 each
 
$1.50 each - $1.25 (6+)

VHF Choke
0.05 µH

(IRF) LFJ540
JFD fixed inductor resonate @ 75 MHz. Ribbon wound on glass form. Mounts with 6-32 screw. 0.45" diameter x 0.62"L.
 

Small RF Coil
4 Turns

(ICH) 19A701419P3
Small RF coil. 4 turns. Enameled #16 wire. 1/4" diameter.
$8 each
 
50¢ each

Small RF AWG Coil
0.2 µH

(IRF) 777-6416001
Small RF AWG coil. 2 turns, #10 tinned wire. 0.2 µH. 13/16" outer diameter x 1" long. Found in several Collins Amateur transmitters.
 

Small RF Coil
0.28 µH / 170 ma

(ICH) 506-9785002
RF coil with 17 turns #26 enameled wire. 0.28 µH, 170 ma. 0.041" DCR. 1/8" diameter x 3/8" long. Phenolic form.
$3 each
 
$1.75 each - $1.50 (6+)

Small RF Coil
0.4 µH / 1 amp

(ICH) 240-2771
Small RF coil. 0.4 µH, 1 amp. 17 turns enameled wire on a phenolic form 5/8" long.
 

Small RF Coil
0.4 µH / 2 amps

(ICH) TOR.4
Small RF coil. 0.4 µH, 2 amps. 10 turns, #20 enameled wire on a 1/2" PTFE toroid.
$1.50 each - $1.25 (6+)
 
$2 each - $1.75 (6+), $1.45 (25+)

Small RF Choke
0.75 µH / 120 ma

(TEK) 108007200
Small RF choke for Tektronix equipment. 0.75 µH, 120 ma. 1/8" outer diameter x 1/2" long.
 

Tinned Coil
0.83 µH

(IRF) 12040
Tinned coil. 0.83 µH. 8-1/4 turns #16 tinned wire. 9/16" outer diameter x 9/16" high. PC mount vertical.
$1.50 each - $1.25 (6+)
 
$2 each - $1.50 (12+), $1.25 (50+)

HF Coil
0.92 µH

(IRF) 6032-1093
HF coil. 0.92 µH. 6 turns. 10 gauge enameled wire, heavy lug terminals. 1" diameter x 1" long.
 

Small RF Coil
1 µH / 50 ma

(ICH) RFC139
RF coil with 13 turns #22 enameled wire. 1 µH, 50 ma. 3/16" diameter x 5/8" long. Phenolic form.
$3 each
 
$3 each - $2.50 (6+)

Small RF Choke
1 µH / 50 ma

(ICH) L10G
Small RF choke self resonates @ 257 MHz. 1 µH, 50 ma. 0.22 ohm DCR. 0.1" outer diameter x 0.31" long.
 

Small RF Coil
2 µH / 10 amps

(ICH) 23724
Small RF coil. 2 µH, 10 amps. 6 turns #16 enameled wire on ferrite core. 3/8" diameter x 7/8" long.
$2 each - $1.75 (6+), $1.45 (25+)
 
$3.50 each - $3 (6+)

Air Wound RF Coil
2.16 µH

(IRF) 2.16UH
Air wound RF coil. 2.16 µH. 20 AWG. 1/2" long, 3/16" outside diameter.
 

Small RF Coil
2.3 µH / 220 ma

(ICH) HP9140
Small RF coil. 2.3 µH, 220 ma. 41 turns #28 enameled wire. 3/16" diameter x 3/4" long.
20¢ each - 15¢ (10+), 10¢ (100+)
 
$2 each

RF Choke
2.4 µH / 1.6 amp

(ICH) 4606
RF choke. 2.4 µH, 1.6 amp. 3/16" x 3/4".
 

Small RF Coil
2.5 µH / 350 ma

(ICH) 930007
Small RF coil. 2.5 µH, 350 ma. #26 enameled wire. 1/4" diameter x 3/4" long. Phenolic form.
$2.75 each - $2.20 (6+)
 
$1.25 each - $1 (6+)

Small RF Choke
4.55 µH / 60 ma

(ICH) A9010281-2
RF choke for 2.9 MHz circuit. 4.55 µH, 60 ma. 3/16" outer diameter x 1/2" long.
 

High Power RF Coil
3.6 µH

(IRF) 46474
High power RF coil wound on phenolic form 1-3/4"D x 2-1/4"L, 12 gauge enameled wire. 3.6 µH. 3/4" x 4" glazed ceramic stand off runs through and holds coil 2" above chassis.
$2 each - $1.75 (6+), $1.45 (25+)
 
$10 each - $9 (3+)

Small Ceramic RF Coil
3.7 µH

(IRF) 2556L4
Small ceramic RF coil. 3.7 µH. 3/4" diameter x 1-5/8" long ceramic body. 19 t.p.i., 17.5 turns total 18 AWG wire.
 

Silver Plated RF Coil
5.7 µH

(COL) 549-9464-003
Silver plated RF coil. 5.7 µH. Form 3.45" long, 1" diameter ceramic form. 13 turns #12, 6 turns 14#. Tapped at 5 turns, 8 turns, 15 turns & 17 turns.
$10 each
 
$25 each

RF Coil
5.5 µH

(IRF) 980B323G02
RF coil. 5.5 µH. 16 turns. 20 gauge magnet wire wound on a grooved coil form. 1" outside diameter, 2-1/4" long. NSN: 5950-01-180-0103.
 

Small RF Coil
6 µH / 500 ma

(ICH) K14110860
Small RF coil. 6 µH, 500 ma. 41 turns #28 enameled. 3/16" diameter x 3/4" long.
$5 each
 
$3 each - $2.50 (6+)

 

Small Ceramic RF Coil
6 µH

(IRF) 647-8860
Small ceramic RF coil. 6 µH, 1-1/4" diameter x 2-1/2" long ceramic body. 12 t.p.i., 17 turns total 16 AWG bare varnished copper. Used in General Radio equipment.
 
 
*** SOLD OUT ***
 

Small RF Coil
6.8 µH / 1.05 amps

(ICH) 48-41
Small RF coil. 6.8 µH, 1.05 amps. 66 turns, #32 enameled wire. 3/16" diameter x 7/8" long. Phenolic form.
 

Small RF Coil
8 µH / 2.3 amps

(IRF) 1238
Small RF coil. 8 µH, 2.3 amps. 23 turns, #18 enameled wire wound on 1" x 2-7/8" phenolic form.
$3 each - $2.50 (6+)
 
$5 each

Small Ceramic RF Coil
8 µH

(IRF) 777-6547002
Small ceramic RF coil. 8 µH. 24 t.p.i., 19 turns total, 20 AWG tinned copper. 2" winding area for your own coil. 6-32 mounting holes. 1" diameter x 3" long ceramic body.
 

Small RF Choke
10.3 µH / 2.5 amps

(IRF) 10.3UH
RF choke. 10.3 µH, 2.5 amps. 31 turns, 24 AWG. 0.7" diameter core x 2.5" long. 0.488" inside diameter.
$15 each
 
$8 each

RF Coil
3-1/2 Turns

(IRF) 754
RF coil. 3-1/2 turns on 1/2" plexiglass form. 16 gauge silver wire. #6 mount hole @ base. NSN: 5950-00-755-0127.
 

Steel "RF" Coil

(IRF) COIL2-STL
3-1/4" diameter coil usable from 4" to 24" long. Ends and center tap silver plated. Coil made of 0.054" x 0.181" spring steel. Made for and used in Collins equipment.
$3 each
 
$15 each - $12 (3+)