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Medium Duty Power Chokes

110 µH
20 amp
30mΩ DCR

Freed power choke. 110 µH, 20 amp. Mounts on bottom with 6-32 tapped holes at 1.4" x 0.75" c-c. 1.75" x 1.1" x 1.2"H. Collins P/N: 678-0265-010, alt P/N: TF5TX04ZZ.

0.22 Hy  (220mH)
1 Amp
±8500V wv (working volts)

Dual choke. 0.22 Hy @ 1 amp, DCR = 4.5 ohms, 0.22 Hy @ 1 amp, DCR = 4.5 ohms with center tap. 2400 cps. Max WV ±8500 volts. Hermetically sealed. 3-3/4" x 4" x 8"H.

0.7mH @ 425mA
1H @ 325mA
35 ohm DC resistance

UTC swinging choke 0.7 Henry @ 425ma to 1 Hy @ 325 ma. 35 ohm DC resistance. 535wv, 1,500vrms test. 2-3/4" x 2-1/2" x 2-1/2"H.

1 Hy
360 mA
350 wv (working volts)

Power reactor. 1 Henry, 360 ma. 350 wv, 45 ohm DC resistance ±10%. Hermetically sealed. Rounded corners. NSN: 5950-645-5272. Only 1 piece available.

1.5Hy
165mA
50 ohm DC resistance (DCR)

High voltage power choke. 1.5 Henry, 165 ma. 50 ohm DC resistance. 3-5/8" x 4-1/4" x 4-1/2". Insulator height 2-1/2". Try and find one of these when you need one. Save 50% over our normal price.

Swinging: 1Hy @ 20mA (first coil)
to 3Hy @ 225mA
Standard: 1.75 Hy @ 225 mA (second coil)

2 in 1 dual choke. Swinging #1 = 1 - 3 Hy @ 225 - 2 ma. Standard #2 = 1.75 Hy @ 225 ma. 27 ohms DCR.
NSN: 5950-00-647-6521.

2 Hy
130 mA
100 ohm DCR

UTC power choke, 2 Henry @ 130 ma. 100 ohm DC resistance. 450 wvdc. 1-3/4" x 2-1/4" x 2-1/4"H. Funky mounting plate?

2 Hy
300mA
10v wv

Warren Transformer power choke. 2 Hy @ 300 madc, 10 vac @ 10,000 ft. Completely sealed / potted construction. Two eyelet terminals on top. Two #10 studs out on bottom. 2-1/4" x 3" x 3-1/4"H.

Filter Reactor 2H @ 400mA

(CPW) 3191-1010G1

2 Hy
400 mA
41 ohm DC resistance (DCR)

Raytheon filter reactor. Hermetically sealed. 2 Hy @ 400 ma. DC resistance is 41 ohms. 1000v RMS test. 2-5/8" x 4-1/2" x 4-1/4" high overall dimensions. NSN: 5950-00-581-9901.

4 Hy
80 mA
175 ohms DCR

Langevin smoothing choke. Hermetically sealed. 4 Henry @ 80 ma, 115v. DCR = 175 ohms. 2-1/4" x 2-1/2" x 2-7/8" high. Made in 1958. NSN: 5950-228-1860.

4 Hy
400 mA
35 ohm DCR

Freed power choke. Hermetically sealed. 4 Hy @ 400 ma. DCR = 35 ohm, 130v rms. Working volts to ground = 1,350v. Removed from new, boxed equipment. 3-1/2" x 5" x 5-3/4"H.

5 Hy
325 mA
50 ohms DCR

Freed sealed choke. DC resistance is 50 ohms! WV is 600v. 3-1/4" x 3-1/8" x 4-1/4" high. New, unused.

5 Hy
350 mA
75 ohms DCR

Hazeltine power reactor. 5 Henry, 350 ma. DC resistance is 75 ohms. 128v, (350 pwv), 120 cps, 10,000 ft. Epoxy - open frame. 3" x 3" x 4" high. NSN: 5950-936-2678.

6 Hy
200 mA
200V AC

Power choke. Hermetically sealed. 6 Hy, 200 ma, DCR = 110 ohms, 200 vac, 450 wv. Turret terminals and 4 corner posts on bottom. 3" x 3-1/4" x 2-3/4"H. NSN: 5950-00-615-0747.

6 Hy
350 mA
65 ohms DCR

Electro Eng. Works reactor. 6 Hy, 350 ma, 65 ohms DCR, 715 wv. Hermetically sealed. Terminals & 4 corner posts on bottom. 4-1/4" x 3-5/8" x 5-9/16"H (6-1/2"H with terminals). NSN: 5950-00-645-1162.

5.9 - 8 Hy
300 mA
75 ohms DCR

Power reactor. 5.9 - 8 Hy @ 300 ma. 1070 wv. DCR = 75 ohms. Hermetically sealed. Electro-statically shielded. Corner posts and terminals on bottom. 3-1/2" x 3-3/4" x 4-1/2" high. NSN: 5950-00-646-0859.

8 Hy
120 mA
110 ohm DCR

RCA sealed power choke. 8 Hy, 120 ma. DCR = 110 ohm. 2-3/4" x 4" x 4-1/2"H. Only one available.

10 Hy c.t. (or 2 x 5 Hy)
400 mA
48 ohm DCR per section

Federal Telephone & Radio (FTR) sealed power choke. 10 Hy C.T. (5 Hy x 2), 400 ma, DCR = 48 ohm per section, 820 wv. Ceramic terminals on bottom. 1/4" stud corner posts. 4" x 4-5/8" x 6-7/8"H. New in the box!!

10 Hy
200 mA
Dimensions: 3-1/4"L x 4"W x 4"H

Merit power choke. 10 Hy, 200 ma. 3-1/4" x 4" x 4"H.

10 Hy
250 mA
85 ohms DCR

Electronic Transformer Corp. hermetically sealed power choke. 10 Hy, 250 ma, 536 wv to ground. 85 ohms DCR. Insulated terminals on bottom. #10 threaded holes on bottom corners. 4-1/4" x 4-3/8" x 5.438". Made in 1971. New in military packing.

10 Hy
400 ma
Dimensions: 4-1/2"L x 5-5/8"W x 5-1/2"H

Thordarson high voltage choke. 10 Hy, 400 ma. 4-1/2" x 5-5/8" x 5-1/2"H. Used, clean. Alt. P/N: 949251-1.

Power Choke 42H @ 80mA

(CPW) C53783ALTB

42 Hy
80 ma
1000 ohms DCR

Swinging power choke. Open frame - epoxy. 57 - 440 Hz, 3500 wv. 60 Hy @ 35 ma, 25 Hy @ 80 ma. 4" x 3-1/8" x 2.5" high. NSN: 5950-00-473-6066.

2.5 mH
14 Amps
0.05 ohm DCR

Electronic Transf. Corp. power choke. Hermetically sealed. 2.5 mHy @ 14 amps DC. 13v, 800 cps. DCR: 0.05 ohm. Max WV to end 358v. Max Alt 10,000 ft. 2-1/2" x 3" x 4-1/8" high. NSN: 5950-00-173-9768.

Power Choke 3mH @ 8A

(CPW) 25-34783B01

3 mH
8 Amp
0.25 ohms DCR

Power choke. 3 mHy, 8 amps, 0.25 ohms DCR. Rhino rubber coated. 2" x 2-1/2" x 2-1/8"H. 1.5" x 1.75" mounting centers. NSN: 5950-730-0130.

14 mH
2.7 Amp
Dimensions: 1-3/4"L x 2-1/2"W x 2-3/4"H

Power choke. 14 mHy, 2.7 amps. Conformal potted. Mounts by four corner 8-32 taps on bottom. 1-3/4" x 2-1/2" x 2-3/4"H.

20 H
130 mA
630 ohm DCR

Power choke, 20 Hy @ 130 ma. 630 ohm DC resistance. 3" x 3-1/2" x 3-1/2"H.

50 mH
5.6 Amp
0.495 ohm DCR

Westinghouse open core epoxy coated choke is very efficient at 0.495 ohm DCR. 50 mH at 5.6 amps. 4-3/4" x 5-3/4" x 5-1/4" high. New.

130 mH
1.5 Amp
Dimensions: 3-5/8"L x 4-7/8"W x 3-7/8"H

AT&T sealed / potted power supply choke. 130 mH @ 1.5 amps. PTFE feedthru insulation on terminals on bottom. 3-5/8" x 4-7/8" x 3-7/8"H. #8 corner studs. Rounded corners. New, unused.

175 mA
350 ohms DCR
60 Hz

PIC power choke. 3.15 Hy @ 175 madc. DC resistance is 350 ohms. 55,000 ft. alt. 2-1/4" x 2-3/4" x 2-3/8"H. Collins P/N: 674-0010-000. NSN: 5950-00-775-1726.