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400 Hz Transformers

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Primary: 115 volts
Secondary: 0-28 volts 8 position, 4 amps max
400 Hz

Osborne Electronic Corp. 2 section switchable output transformer. Screw terminals. 1/4" shaft. 8 Position output selection 9V, 10.2V, 11.5V, 12.8V, 14.5V, 16.2V, 18.5V, 20.8V, 24.30V, 27.8V NSN: 5950-00-700-5621.

Primary: 115 volts
Secondary: 2.5/6.3/200 volts
400 Hz

400 Hz transformer. 115V Primary to 2.5V @ 4amp, 6.3V @ 1.5amp, and 200V @ 25ma secondaries. NSN: 5905-00-646-2116.

Primary: 115 volts center tapped
Secondary: 2.7/26/6.3 volts
400 Hz

ADC 400 Hz transformer. Hermetically sealed. 115V center tapped primary to 2.7V @ 0.2amp, 26V @ 0.35amp, & 6.3V & 2.1amp secondaries. NSN: 5950-646-2213.

Primary: 200 volts
Secondary: 3/37/10 volts
400 Hz

Magnespec 400 Hz power transformer. 3 phase - Delta - Delta. 200V primary to 3V @ 1amp, 37V @ 9amp, & 10V @ 0.05amp secondaries. NSN: 5950-01-100-8559.

Primary: 115 volts
Secondary: 43 volts @ 1.74amps
400 Hz

400 Hz power transformer. 3 threaded mounting studs. 5 insulated solder turrets. 115V primary to 43V center tapped secondary rated for 1.74amps. AKA: TW-75G43T.

Primary: 108/115/122 volts
Secondary: 5/17/20 volts
400 Hz

400 Hz low voltage transformer. Primary 108V, 115V, or 122V; Secondaries 5V @ 2.5amp, 5V @ 2.5amp, 17V @ 1.25amp, 20V @ 1.25amp. Hermetically sealed. Alt. P/N: 01-259-1847.

Primary: 30 volts
Secondary: 6 volts @ 18mW
400 Hz

Toroidial 400 Hz transformer. Hermetically sealed.  30V primary to 6V center tapped secondary, rated 18 milliwatts.  100 working volts.

Primary: 115/230 volts
Secondary: 6.3/3 volts
(Two 6.3V @ 1.2amp / Two 3V @ 1amp)

400 Hz filament power transformer. 115V or 230V Primary to Two 6.3V @ 1.2amp and Two 3V @ 1amp Secondaries. Hermetically sealed, electrostatically shielded. Black wrinkle finish. Hook terminals. NSN: 5950-00-645-7245.

Primary: 115 volts
Secondary: 6.3/700 volts
(6.3V @ 2amp, 700V @ 1ma)

400 Hz power transformer. Primary 400 Hz, 115 amps; Secondary 6.3v @ 2.0 amps,
700v @ 1 ma. Hermetically sealed. Turret terminals. Four bottom corner mounting holes, 8-32. NSN: 5950-00-061-8128. Dimensions: 1.785" x 1.826" x 1.321"

Primary: 115/200 volts
Secondary: 6.3 volts
400 Hz

400 Hz filament transformer. Primary: 115 / 200v, 400 Hz, 1 phase Multiple secondaries: 6.3v @ 3 amps, 6.3v @ 0.65 amps, 6.3v @ 5 amps, 6.3v @ 3.4 amps Epoxy coated. NSN: 5950-610-4379. Dimensions: 2" x 2-1/4" x 2-1/8"H

Primary: 115 volts
Secondary: 6.5/7 volts
(6.5V @ 3amp, 7V @ 2amp)

400 Hz transformer. Primary: 115v, 400 Hz, 1 phase; Secondaries: 6.5v @ 3a, 7v @ 2a. Open frame, epoxy coated. Bottom terminals. Isolated static shield. NSN: 5950-067-9950. Dimensions: 1.7" x 1.7" x 1.77"H

Primary: 115/200 volts
(115V 3 phase delta,  or 200V 3 phase WYE)
Secondary: 8.5/33/19/9/208 volts

ADC 400 Hz Delta - WYE transformer.  Primary: 115v, 3 phase Delta or 200v, 3 phase WYE to Secondary: 8.5v @ 2a, 9v @ 0.9a, 19v @ 0.2a, 33v @ 0.14a, 208v @ 0.1a Rated 175 working volts. 23 Solder Lug Tabs on top. Dimensions: 2" x 4-1/2" x 3"H NSN: 5950-00-224-6064.

Primary: 115 volts
Secondary: 10/13/16/19/22/25/28 volts
161 WV

Technitrol 400 Hz transformer. Hermetically sealed. Hook terminals on bottom. Primary: 115v @ 400 Hz to Secondary: 10/13/16/19/22/25/28V multi-tapped @ 3.7 amps max. Dimensions: 2.33" x 2.70" x 3.77"H. NSN: 5950-00-578-8246

Primary: 120 volts
Secondary: 13/9.3 volts
Apparent Power: 1.3/64.17 VA

Novatronics 400 Hz power transformer. 3 phase. 13 solder tabs. Primary: 115v, 400 Hz, 3 phase to Secondary: 13v @ 0.1 amps, 9.3v @ 6.9 amps, 13v @ 0.1 amps. Ground shield isolation. Dimensions: 2-7/8" x 1-1/4" x 2-3/8"H. NSN: 5950-01-179-5119.

Primary: 115 volts
Secondary: 26 volts
400 Hz

Allied-Signal 400 Hz power transformer. 4 solder studs on top. Primary: 115v AC to Secondary: 26v AC.  Dimensions: 2" x 1-3/8" x 1-3/4"H NSN: 5950-00-645-9356.

Primary: 120 volts
Secondary: 0-28 volts
Apparent Power: 0-140 VA

Bristol Electric variable transformer. Primary: 115v AC, 400 Hz to Secondary: 0-28v at 5.0 amps.  Chicken head knob, single turn. Dimensions: 1-13/16" diameter x 4" long, 3" x 3-1/2" mount plate.  NSN: 5950-00-054-7014.

Primary: 115 volts
Secondary: 28/15.4 volts
400 Hz

400 Hz auto transformer. 2-1/4" c-c mounting holes.  Primary: 115v AC to Secondary: 28v @ 11 amps or 15.4v @ 7.15 amps Base Dimensions: 3" x 3" x 2-1/2"H  NSN: 5950-00-719-4232.

Primary: 115 volts
Secondary: 30 volts
400 Hz

Traner Inc 400 Hz auto transformer. 1-1/2" c-c mounting holes. Primary: 115v AC @ .01 amps to Secondary: 30v @ .0145 ampsBase Dimensions: 1-3/8" x 1" x 1-1/8"H.  NSN: 5950-01-100-0721.

Primary: 200 volts
Secondary: 41 volts
400 Hz

400 Hz transformer. Hermetically sealed. Primary: 200v AC, 400 Hz, 1 phase to Secondary: 41v AC @ 3.5 amps. Dimensions: 1.6" x 2.6" x 1.4"H. NSN: 5950-00-899-7246

Primary: 115 volts Primary 3 phase
Secondary: 45 volts Secondary 3 phase + neutral taps
400 Hz

400 Hz transformer. Primary: 115v AC, 3 phase to Secondary: 45v @ 3.3 amps, 3 phase + neutral taps. Dimensions: 3" x 2.3" x 1.46"H. NSN: 5950-00-090-7297.

Primary: 114/120/126 volts
Secondary: 70 volts @ 7.07 amps
400 Hz

400 Hz power transformer. Hermetically sealed, electro-statically shielded. Four threaded studs, 7 solder studs. Primary: 114v, 120v, 126v to Secondary: 70 vct @ 7.07 amps. Dimensions: 4" x 4-1/2" x 5"H. NSN: 5950-00-087-3558.

Primary: 115 volts
Secondary: 70 volts @ 0.7 amps
Apparent Power: 50 VA

Toroidial 400 Hz transformer. Primary: 115v, 400 Hz, 50 va to Secondary: 70V center tapped @ 0.7 amps, 70 vct @ 0.7 amps. Dimensions: 1-1/2"D x 1-3/8"H. NSN: 5950-818-2022.

Primary: 200 volts
Secondary: 115 volts
Apparent Power: 100 VA

WYE-Delta 400 Hz power transformer. Step down. 3 phase. NSN: 5950-00-497-2445.

• Primary: 200v
• Secondary: 115v @ 100va
• Dimensions: 2-1/2" x 3" x 2-1/2"H

Primary: 115 volts
Secondary: 3/10/26/57/78/115 volts
150ma maximum output

Freed 400 Hz transformer. Sealed. Primary: 115v, 360-450Hz to Tapped Secondary:  3V, 10V, 26V, 57V, 78V or 115V. 150ma maximum. Dimensions: 1-3/8" x 1-3/8" x 2-3/8"H. Tapped mounting holes in each corner are 8-32 thread.

Primary: 148 volts
(110V AC)
Secondary: 130/171 volts

Precision Electronics power transformer. Hermetically sealed. Terminals & posts on bottom. Primary: 148v, 400 Hz to Secondary: 130v @ 1.8a or 171v @ 1.7a.  If input volts is 110v @ 400 Hz, then Output is 97v @ 1.8a or 125v @ 2.3a.  Dimensions: 4-1/4" x 3-1/2" x 5-1/2"H. NSN: 5950-00-847-0457.

Primary: 115 volts
Secondary: 150/9/30 volts
(Three Secondaries 9V @5ma, 30V @ 15.7ma, 150V @ 36ma)

400 Hz transformer. Hermetically sealed. 9 solder hooks. 4 mounting posts. Primary: 115v to Triple Secondaries: 150V center tapped @ 36 ma, 9v @ 5 ma, 30v @ 15.7 ma.  Dimensions: 1.6" x 1.6" x 2.3"H.  NSN 5950-00-852-4241.

Primary: 115 volts
Secondary: 175 volts
(4 secondaries - all 175V @ 32ma with 5.6V tap)

Aerospace 400 Hz transformer. Primary: 115v, 400 Hz to 4 Secondaries: All 175v @ 32 ma with 5.6vtaps.  Dimensions: 3" x 3" x 2-1/2"H.  NSN: 5950-00-883-6027.

Primary: 5.5 volts
Secondary: 498/170 volts
(498V @ 230ma, 170V @ 100ma)

Aerospace "Varo" 400 Hz power transformer. Built-in rectifiers. 900 wv. Primary: 5.5v to Secondary: 498v DC @ 230 ma, 170v DC @ 100 ma.  Collins P/N: 751-1033-000. Alt. P/N: 579R721H01. NSN: 5950-00-827-4820. Dimensions: 1-7/8" x 1-7/8" x 2-5/8"H

Primary: 165 volts
(Primary 103V or 115V mil-spec)
Secondary: 510/655/810 volts

Freed 400 Hz power transformer. Primary: 165v AC, 400 Hz (1200V Hi-Pot) to Secondary: 510/655/810v @ 7 ma. 6 solder eyelets. Dimensions: Base: 1-1/2" x 2", 2-1/4"H.  NSN: 5950-01-015-8364.

Primary: 115 volts 3 Phase
Secondary: 1490 volts @ 15ma 3 Phase
400 Hz

Electro Line 400 Hz power transformer. Electrostatic shield. Primary: 115v, 400 Hz, 3 phase to Secondary: 1490v @ 15 ma, 400 Hz, 3 phase. Dimensions: 2.75" x 1.5" x 2.47"H

Max working voltage @ 5000v
3 phase input
400 Hz

Scott aerospace transformer. No voltage markings. We assume 400 Hz, 3 phase input. Built in rectifiers, DC output. Max working voltage @ 5000v. 2-1/4" x 4" x 3".

Alt. P/N: 671-1004-000. NSN: 5950-00-119-3107.

380 - 420 Hz input to a 0 - 1 madc output signal
Alt. P/N: NSN: 5950-00-086-3395

400 Hz transducer. Converts @ 0 - 115v AC, 380 - 420 Hz input to a 0 - 1 madc output signal to drive a standard panel meter. 10 - 32 stud posts in / out. 2-5/8" diameter x 3" high. Useful for any avionic or other 400 Hz power user to monitor line voltage.

Primary: 36 volts
5 Henry Minimum
135 ohm DCR

Reactor. 400-1000 Hz. 5 Henry. 36v @ 100ma. DCR = 135. Two turret contacts. NSN: 5950-00-866-4188. Dimensions: 2" x 2-5/8" x 2-3/8"H.

Primary: 208 volts 400Hz 3-Phase
Secondary: 21 volts @ 8.5 Amps
Dimensions: 5.4"W x 2.6"D x 4"H

400 Hz, 3 phase Power Transformer. Primary: 208v; Secondary: 21v @ 8.5 ampswith neutral tap. 5.4" x 2.6" x 4"H. NSN: 5950-00-003-8731.

Primary: 115 volts
Secondary: 6.3/115/220 volts
380 - 420 Hz

400 Hz Power Transformer. Primary: 115v; Secondary: 6.3V @ 6.3Amps, 6.3V center tapped @ 20mA, 115V center tapped @ 20mA, and two 220V @ 5mA NSN: 5950-00-060-9574.

Primary: 115 volts
Secondary: 74 volts @ 405mA
175 Working Volts

400 Hz Auto Transformer. 115v : 74v @ 0.405 amps. Hermetically sealed.1.5" x 1.75" x 1.5" high. NSN: 5950-686-8737.

Primary: 115 volts
Secondary: 1.25/5400 volts (5,400V @ 2ma, 1.25V @ 265ma)
Manufactured by Precision Electronics

400 Hz Power Transformer. Primary: 115v AC;Secondary: 5.4 kv @ 2ma, 1.25v @ 265 ma. NSN: 5950-00-645-0895.

Primary: 48 volts
Secondary: 22.5/45 volts
Manufactured by

400 Hz Auto Transformer. Primary: 48v AC. Taps 45v, 22.5v AC.1-5/8" x 2" x 1-3/4"H. NSN: 5950-00-878-2583.

Primary: 105/115/120 volts
Secondary: 15/17.5/20/22.5/25/28 volts
Manufactured by

400 Hz Open Frame Power Transformer. Primary: 110v / 115v / 120v;Secondary: 15v, 17.5v, 20v, 22.5v, 25v, 28v. 2-1/8" x 1-7/8" x 2-3/8" body.Mounting plate: 2-9/16" x 2-3/16". NSN: 5950-00-902-7109.

Primary: 120 volts
Secondary: 2.5 volts (four secondaries 21 amp total max)
Rated 50VA

400 Hz Power Transformer. Primary: 120v AC; 2.5v AC all 4 secondaries, 21 ampcombined current, open frame coated. 3" x 3" x 3-7/8"H. NSN: 5950-00-847-4884

Primary: 115 volts
Secondary: 11.5/16/50 volts
(one 11.5V @ 1A, one 16V c.t. @ 15A, and one 50V c.t. @ 100mA)

Power transformer. 4 tap, 420 Hz. NSN: 5950-00-755-4734.

Primary: 115 volts
Secondary: 20 volts
two 20V @ 374mA each (Parallel 20V @ 748mA or Series 40V @ 374mA)

Abbot open frame transformer. PC pins out bottom. NSN: 5950-01-032-8338.

Primary: 120 volts 50 - 1000Hz
Secondary: 600/12.5 volts
one 600V c.t. @ 35mA, one 12.5V c.t. @ 2 amp

Jetronic hermetically sealed transformer. Terminals add posts on bottom. Two solder lug terminals. TF4RXO2HB

Primary: 115 volts AC 60-400Hz
Secondary: 6.3/375 volts
(one 6.3v @ 1.5A, two 6.3v @ 3A, one 6.3v @ 4A, and one 375v C.T. @ 90mA)

Transformer. Hermetically sealed. Primary: 115v AC 60- 400 Hz to five secondaries: 6.3v @ 1.5 amp, 6.3v @ 3 amp, 6.3v @ 3 amp, 6.3v @ 4 amp, and one 375v @ 90 ma. Dimensions: 4-1/4" x 4-3/4" x 5-1/2"H.

Primary: 117 volts AC 50-1000 Hz
Secondary: 3.15/6.3/6.4/12.8/290/580 volts
(6.3v c.t. @ 2.5A, 12.8v c.t. @ 90mA, and 580v c.t. @ 28mA)

Stanley power transformer. Primary input 117 volts AC, 50-1000 Hz to multi secondaries: 6.3v center tapped (3.15V) @ 2.5 amps, 12.8 volts center tapped (6.4V) @ 0.09 amps, and 580 volts center tapped (290V) @ 28 milliamps. Electrostatically shielded. Epoxy, open frame. NSN: 5950-00-647-7264. Dimensions: 3" x 3-1/4" x 2-3/4"

Primary: 115 volts AC 60-400 Hz
Secondary: 2.5/770 volts
(2.5v @ 3A, and 770v @ 2.5mA)

Raytheon plate & filament transformer.  115 volt AC primary to 2.5 volts at 3 amps, and 770 volt at 2.5 milliamp secondaries. Dimensions: 3" x 3-1/2" x 4-3/4"H. Hermetically sealed. 3,500v test.

Primary: 103/115/126 volts AC 57-450Hz
Secondary: 5/6.3/430/860 volts
(5v @ 2A, 6.3v @ 1.5A, 6.3v @ 5A, 6.3v @ 10A, and 860v c.t. @ 230mA)

Filament Transformer 103, 115, or 126 volt AC primary input to multiple secondary outputs of 5v at 2 amps, 6.3 volts at 1.5 amps, 6.3 volts at 5 amps, 6.3 volts at 10 amps, and 860 volt center tapped (430 volt) at 230 milliamps. Hermetically sealed. 1/4" stud bolts at bottom corners. New, old stock. All have some dents & scratches.

Primary: 115 volts
Secondary: 20v @ 20ma
Dimensions: 1-1/8" x 7/8" x 7/8"

400Hz Power Transformer 115vAC to 20v @ 20ma. 11 wires. 3/4" c-c threaded mount holes. DLA900-85-P-N084.

400hz
Dimensions: 2-1/8" x 2-1/4" x 3"H
NSN: 5950-00-390-5985

Kearfott 400hz power transformer.

Primary: 115 volts
Secondary: 26vAC @ 2.31a / 12v @ 1.67a
400Hz

400Hz aicraft auto transformer. Electrostatically shielded. Epoxy molded windings (only 1). 1.78" x 1.91" mounting centers on bottom taps. DLA900-88-A-A386.

Primary: 115 volts AC 50-1000 Hz
Secondary: 7.5/50/83/125/165 volts
three 7.5V, one 50V c.t., one 83V, two 125V, and one 165V, 400 Hz

Power transformer. 50 - 1000 Hz. Unknown currents, 300 watt core.  Primary: 115v (Black / Yellow Black) to multiple secondaries; (Orange HV Wire) 7.5V, (Orange / Orange) 7.5V, (Gray / Gray) 7.5V, (Green/Green) 50V c.t. (Green-Yellow) 25V, Yellow-Gray / Yellow-Orange, (Yellow-Gray / Yellow-Orange) 83V, (Brown / Yellow-Brown) 125V, (White / Orange-Brown) 125V, (Yellow / Black-White) 165V.  Isolation Shield (Blue).  Made in 1963. NSN: 5950-00-984-1188.

Primary: 220v, 50-400 Hz, 3 phase Delta
Secondary: 21.0v RMS, 3 phase Wye
Apparent Power: 5 amps RMS

SNC 50-400 Hz transformer. Primary: 220v, 50-400 Hz, 3 phase Delta. Secondary: 21.0v RMS, 3 phase Wye. 5 amps RMS. Mounting centers 1-1/8" x 3-3/8". Made for Gates.

Primary: 115 volts
Secondary #1: 192v AC @ 2 amps
Secondary #2: 155v AC @ 0.15 amps

Electronic Measurements transformer. 115v @ 47-800 Hz primary input. Two secondary outputs: 192v AC @ 2 amps & 155v AC @ 0.15 amps. 4.25" x 6" x 4.2"H.

Primary: 126/115/103v @ 57-420 Hz
Dual Secondary: 170v CT RMS @ 14mA
Dimensions: 1-1/2" x 1-1/2" x 2-1/4"H

Freed transformer. Hermetically sealed. Turret terminals on bottom. 1-3/16" mounting stud centers.

Primary: 184/200/216 volts
Secondary: 400 volts
Amps: 315mA

Freed 3 phase 400 Hz transformer. 380-1000 Hz. Primary: 184/200/216 vac. Secondary: 400v @ 315mA. 2-3/8" x 4-3/8" x 3-1/2"H.

Primary: 115/230 volts
Secondaries: 250v @ 900mA, 205v @ 400mA
Dimensions: 4" x 4-5/8" x 5-1/4"

Hewlett Packard power transformer. Primary: 115/230v @ 50-1000 Hz. Secondaries: 250v @ 900mA & 205v @ 400mA. 4" x 4-5/8" x 5-1/4". 3" x 3-5/8" mounting centers on 1/4-20 studs. Turret terminals on bottom. Hermetically sealed. HP transformer for vacuum tube test equipment.

Primary: 108 volts
Secondaries: 6v, 117v, 41v, 29v
Dimensions: 2-5/8" x 2-1/4" x 2-1/8"

400 Hz Transformer. Primary: 108v AC @ 400 Hz. Secondaries: 6v, 117v, 41v & 29v, 20 watts total. 2-5/8" x 2-1/4" x 2-1/8".

Primary: 115 volts
Secondaries: 6.3v @ 4 amp, 6.3v c.t. @ 4 amp
Secondary Hi-Pot: 540v

ADC filament transformer. Primary: 115v @ 50-400 Hz. Secondaries: 6.3v @ 4 amp, 6.3v c.t. @ 4 amp. Secondary Hi-Pot: 540v. Electrostatically shielded, hermetically sealed. Turret terminals. 2-1/4" x 2-5/8" x 3-3/4"H. 2-1/8" x 1-3/4" mounting centers on 10-32 studs.

Primary: 117 volts
Dual Secondary: 200v RMS @ 60mA, 18v c.t. @ 1 amp
Dimensions: 2-5/8" x 2-3/4" x 3-5/8"H

Freed transformer. Primary: 117v @ 50-400 Hz. Dual secondary: 200v RMS @ 60mA, 18v c.t. @ 1 amp. Hermetically sealed. Turret terminals. 2-5/8" x 2-3/4" x 3-5/8"H. 2" x 3-1/4" mounting centers on side flanges.

Primary: 115 volts
Secondary #1: 5v @ 20 amp - 6kv test
Secondary #2: 5v @ 25 amp - 10kv test

Raytheon 400 Hz filament transformer. Primary: 115v @ 400 Hz. NOTE: Does NOT operate at 60 Hz. Secondaries: 5v @ 20 amp - 6kv test, 5v @ 25 amp - 10kv test. 4-1/16" x 3-9/16" x 4-3/4".

Primary: 115 volts
1st Secondary: 6.3v AC @ 2.5 amps
2nd Secondary: 50v AC @ 30 mA

Coast Coil power transformer. Hermetically sealed. 115v AC @ 50 - 440 Hz primary.

Primary: 115 volts
Secondary: 180v @ 7.5 amps, leg-leg, 3 phase
Dimensions: 3" x 5-1/4" x 4-1/4"H

Precision Electronics 400 Hz transformer. 115v AC @ 400 Hz, 3 phase primary. 180v @ 7.5 amps leg - leg, 3 phase. Duty cycle: 3%. 1/4" - 20 mounting studs. 3-3/4" x 2-1/4" mounting centers. Circa 1978.

Primary: 103.5v, 115v, 126.5v @ 50-1800 Hz
1st Secondary: 32v @ 2.5 amps, 1500v test
2nd Secondary: 6.3v @ 0.25 amps, 1500v test

Freed transformer. Hermetically sealed. 1/4" - 20 stud mounting centers, 3-3/4" x 4-1/4".

Primary: 105/110/115/120 volts
Secondary: 115 volts
400 Hz

Saratoga Industries 400 Hz transformer. Primary: 105/110/115/120v. Secondary: 115v @ 5 amp. Hermetically sealed. 1/4 - 20 studs @ 3" x 3-3/4" grid.

Primary: 86v / 57v
Secondary: 16v @ 15 amps x 2
400 Hz

Technipower 400 Hz transformer. Dual 16v winding. Turret terminals, hermetically sealed case. 1/4 - 20 tapped mounting holes on bottom, 1-1/8" centers x 4-1/4" spacing.