Power Chokes
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Power Chokes: Light Duty

Power Line Dual Choke
9 uH Each - 18 uH Total
(ICH) Z-22
Ohmite power line dual choke. 9 µH each = 18 µH total. 30 turns, 13 gauge wire. 1-1/8" outside diameter ceramic form. 20 amps. 1-1/4"D x 8-3/4"L. NSN: 5950-00-648-0851.
 

Current Choke
33 µH - 500 watts
(CPW) EH168-24-CU01
Edgewound high current choke designed for output of 500 watt switcher supply. 1-1/4" x 1-3/4" x 1-5/8"H. 9/32" wide, 0.045", 17 gauge copper edgewound ribbon.
$19 each - $15 (3+), $12.75 (12+)
 
$19 each

EF Johnson Choke
50 µH - 20 amps
(CPW) 500-053
EF Johnson choke. 0.0085 ohm DC resistance. 1-3/8" x 1" x 1-3/4"H.
 

Sealed Choke
2.5 mH @ 4 amps
(CPW) 56-266416-4
Atlas Engineering sealed choke with 0.2 ohm DCR. 500wv. 1-5/8" square x 2-3/8"H.
$6 each
 
$25 each

Power Choke
5 mH @ 155 ma
(CPW) HQE-1
UTC power choke. 5 mH @ 155 ma. 1.4 ohm DC resistance, 350 wv, 105ºL. Hermetically sealed. 3/8" x 1" x 1-3/16"H. NSN: 5950-856-2453.
 

Power Choke
25 mH @ 1 adc
(CPW) 80-900-09
Coast Coil power choke. 25 mH @ 1 adc, 2 ohm. Hermetically sealed, rounded corners. Turret terminals on bottom. Four mounting studs. 1.6" x 1.6" x 2.4" high. NSN: 5950-893-6027.
$35 each
 
$25 each

Power Choke
33 mH @ 1.02 amps
(CPW) 900095-109
Triad power choke. 33 mH @ 1.02 amps. 1.05 ohm DC resistance. Hermetically sealed. Gold turret terminals on top. Four corner mounting taps on bottom. 1-3/4" x 2-1/8" x 1-3/4"H. NSN: 5950-00-952-3070.
 

Power Reactor
50 mH
(CPW) 860036-8
R.M. Hadley power reactor. 50 mH, 175 wv, 8 ohm, 1v RMS @ 1 KHz, 0.0 ADC, max alt. 12,000 ft. 2-1/2"D x 2". NSN: 5950-716-6095.
$45 each
 
$25 each

Power Choke
70 mH @ 0.5 amps DC
(CPW) P50439023
LaVoie Labs power choke. 70 mH @ 0.5 amps DC. 350 wv @ 10,000'. DCR = 3 ohms. 1.5" x 1.75" x 1.5"H.
NSN: 5950-912-1984.
 

Swinging Power Choke
50 - 100 mH
(CPW) L518-000-073
Swinging power choke. 50 mH minimum, 100 mH maximum. 1 KHz. Two solder turrets. 1-3/8"D x 1-1/2". NSN: 5950-01-206-4397.
$10 each
 
$15 each

Power Reactor
150 mH @ 5 ma
(ICH) 580R260H01
Westinghouse Aerospace power reactor. 150 mH @ 5 ma. 13 ohm DC resistance. 50 wv @ 70,000 ft. 1.5"D x 3/4"H. NSN: 5950-826-3069.
 

Sealed Choke
151.20 mH
(CPW) 828262
Sangamo sealed choke. 151.20 mH. Mounts flat with 2 studs. 1" x 1.3" x 0.5" high.
$10 each
 
$5 each

Power Choke
200 mH @ 170 madc
(COL) 678-1491-010
ADC power choke. 0.2 Hy (200 mH) @ 170 madc. DCR = 12 ohm. Hermetically sealed, electrostatically shielded. Rounded corners. Turret terminals.
 

Sealed Choke
400 mH @ 250 ma
(CPW) FS377
UTC hermetically sealed choke. 400 mH @ 250 ma. >0.4 Hys, 250 madc, 15v, 2400~, DCR 80 ohm max, wv 300v peak, max alt 50,000 ft. 1-5/16" square x 2"H. NSN: 5950-00-921-6452.
$39 each
 
$45 each

Power Choke
630 mH - 35 ma
(CPW) BC-4366
Westinghouse power choke. 630 mH @ 35 ma. 10.8 ohm DC resistance. 1-7/8" x 1-7/8" x 1-7/8". Epoxy coated.
 

UTC Choke
1.5 Hy
(CPW) MQA-13
UTC choke. 130 ohm DC resistance. 350wv. 5/8" x 1-1/4" x 1-5/8"H.
$35 each
 
$20 each

Power Choke
2 Hy - 50 ma
(CPW) G4019
UTC power choke 2 Henry @ 50 ma. 100 ohm DC resistance. 300 wvdc. 1-1/4" x 1-3/4" x 1-1/2"H.
 

Power Reactor
2 Hy - 50 madc
(CPW) HP3047-5
Power reactor. Open frame - epoxy. DC resistance = 275 ohms. 2 Hy @ 50 madc. Max WV = 1000v. Alt. 70k feet. 1-1/4" x 1-3/4" x 1-1/4". NSN: 5950-00-481-8465.
$19 each
 
$15 each

Power Reactor
2 Hy - 400 ma
(CPW) 31825
Freed power reactor / transformer. 2 Henry @ 400 ma. Hermetically sealed. Mounting studs and terminals on bottom. 3/4" x 1-3/8" x 1-3/4" high. Alt. P/N: 927D856. NSN: 5950-918-0459.
 

Power Choke
2.1 Hy - 100 ma
(CPW) 25B837416
Motorola power choke. 2.1 Henry @ 100 ma. 128 ohm DC resistance. 1.745" x 1.495" x 1.37"H. 5" long cloth leads.
$45 each
 
$22 each - $19 (3+)
 

Sweep Choke
3 Hy - 35 ma - 3 vrms
(CPW) UX7725
Raytheon sweep choke. Hermetically sealed. 3 Henry, 35ma, 3 vrms, 60 cycle AC. DC resistance: 250 ohms. 2" diameter x 2-1/2" high.
 
 
$15 each
 

Power Choke
4.5 Hy - 80 ma - 187 Ohm
(CPW) T3271A
Freed Transformer power choke. 4.5 Hy, 80 ma, 187 ohm. M.W.V. to GND 714v. Hermetically sealed. Top terminals. Made in 1967. Packing material in box has reacted with painted finish. 2" x 2" x 2-3/4" high. 2-3/8" c-c mounting holes. NSN: 5950-00-647-9396.
 

Power Choke
4 Tapped Chokes
(CPW) D6464
ADC power choke. 4 tapped chokes. L1: 0.025, 0.05, 2, 40. L2: 0.2, 0.5, 20. L3: 0.1, 3, 30. L4: 10. 2" x 2-3/8" x 3" high. Made for Gates Radio.
$65 each
 
$25 each

Power Choke
10 Hy - 50 ma
(CPW) 16353
Freed power choke. 10 Henry, 50 ma, 1850v RMS. 250 ohm DC resistance. Hermetically sealed. Terminals and mounting taps. 1-7/8" x 1-1/2" x 2-3/4"H.
 

Power Choke
12 Hy - 200 ma
(CPW) U12891
Power choke. 12 Henry, 200 ma, 200 ohm DCR. 3.06" x 2.56" x 3"H above chassis. NSN: 5950-00-647-6649.
$49 each
 
$29 each

Power Choke
56 Hy - 25 ma
(CPW) 9T35Y1774
Power choke. 56 Henry, 25 ma, 1930 ohm DCR. 1485v rms. Hot end to ground, 4,300vrms test. 3" x 3-1/2" x 4-3/4".
 

Auto Modulation
10.4k Ohm c.t.
(COL) 677-0334-00
Chicago Transformer Collins surplus. 25 watt class C modulation transformer. 10.4k ohm ct, 70 ma balanced to 2600 ohm @ 220 ma. 750wv. 2-1/8" x 2-3/8" x 2-3/4"H.
$45 each
 
$24 each

Swinging Choke for Pwr Supply
0.3 amps @ 100v - 1 amp @ 300v
(CPW) 9T35Y1351
General Electric reactor swinging choke for power supply. 5 terminals marked 70, 80, 90 & 100%. 0.3 amps @ 100v - 1 amp @ 300v. 1070 vrms. Terminal & corner posts on bottom. Sealed. 5" x 4" x 5-1/4"H. NSN: 5950-00-673-4532.
 

Open Frame Power Chokes
(CPW) C5X
Triad 12 Hy @ 75 ma Power choke. 390 ohm DC resistance. 1-1/2" x 2-3/8" x 1-7/8"H.
$19 each
(CPW) 990-818-91
Swinging choke, 4 mHy @ 8 amps Power choke. 215.5 turns.
$100 each
 
$50 each