Wound Coils: Ceramic Form
RF Coil
12 µH / 8 Gauge Wire
(IRF) 3D1220
RF coil. 12 µH, 8 gauge wire. 4 flutes. Each end has 4 tapped holes for mounting vertically. 3.21 t.p.i. 3" c-c coil. 5.6" coil. 18 turns. 6-7/8" overall. New, old stock from 1944.
$55 each - $49 (3+)
Ceramic Coil Form
3 1/8" C-C coil
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(IRF) 3D1208
Ceramic coil form. 3 1/8" C-C coil. 3T.P.i-18 turns. 12uh with 7 taps. .102" wire (10ga). 6 7/8" overall, 5.6"L coil. WW2 N.O.S.
$65
RF Coil
133 µH with Tap @ 81.5 µH
(IRF) 506-7408-002
RF coil. 133 µH with tap @ 81.5 µH. Two solder tabs. Two bottom 8-32 threaded mount holes. 3/4" x 2-1/2" form glazed ceramic. NSN: 5950-00-518-0609.
$22 each - $20 (6+)
Ceramic Coil
1.398 mH
(IRF) NL60084-3
Surplus RF coil measures 1.398 mH end to end @ 100 KHz with taps @ 1mH and 81µH.
$15 each