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Low Voltage Transformers: 30 to 200 volts

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Primary: 115/127/220 volts
Secondary: 10/17.5/20/47.5/150 volts
(one 20V-0-20V, 10V, 17.5V, 47.5V, and 150V outputs)

European open frame transformer. 150 watt.

Primary: 115/230 volts
Secondary: 38/50 volts
(38V c.t. @ 3A, 50V c.t. @ 3A)

Bullock Magnetics transformer.

Primary: 120 volts
Secondary: 5/50/100 volts
(one 5V @ 3A, one 100V c.t. @ 100mA)

Plate & filament transformer. 120 volt primary input, two secondary outputs one 5 volt at 3 amps and one 100 volt center tapped (50 volt x 2) at 100 milliamps.

Load Testing
Load
Output Voltage
                           
Current
                           
22 ohm
7.8v
                           
0.354
                           
100 ohm
30v
                           
0.300
                           
300 ohm
60v
                           
0.200
                           
500 ohm
75v
                           
0.150
                           
1000 ohm
88v
                           
0.088
                           

Primary: 115/230 volts
Secondary: 30 volts c.t. @ 500mA
Apparent Power: 15 VA

Better Coil & Transformer Co. open frame transformer. Dual 115 vac primaries, Black / Black, Brown / Brown. Center tapped secondary: Red / Green, Orange center tap.

Primary: 115 volts
Secondary: 18/36 volts
(18V @ 240mA parallel or 36V c.t. @ 170mA)

Signal Transformer split bobbin / high isolation PC mount transformer.

Primary: 115 volts
Secondary: 30 volts @ 500mA
Apparent Power: 15 VA

SNC transformer, hermetically sealed. Harris P/N: 472-0643-000.

Primary: 230 volts 50/60 Hz
Secondary: 8.4/37 volts
37V RMS @ 750mA, 8.4V @ 120mA

Harris transformer. Harris P/N: 472-1023-000.

Primary: 115 volts 50/60 Hz
Secondary: 8.4/37 volts
37V RMS @ 750mA, 8.4V @ 120mA

Harris power transformer. Harris P/N: 472-0587-000.

Primary: 115/230 volts 50/60 Hz
Secondary: 12.3/38 volts RMS
38V RMS @ 1.5A, 12.3V RMS @ 2A

Electronic Transformers Corp. was made for Mackay Marine. Sealed, heavy duty construction.

Primary: 115 volts (black, green)
Secondary: 37/40 volts
37V @ 500mA (green, green), 40V c.t. @ 500mA (red, red/white, yellow)

Triad-Utrad transformer. 2" x 2" c-c mounting holes.

Primary: 120 volts 60 Hz
Secondary: 45 volts @ 25 amps
Apparent Power: 1000 VA

High current transformer. Removed from equipment. NSN: 5950-01-020-4102

Primary: 120 volts
Secondary: 26.5 volts @ 300mA
Apparent Power: 40 VA

Control transformer has a 40va rating. Mounting configuration: foot, plate, knockout, wire length 9".

Primary: 120 volts 50/60 Hz
Secondary: 6.5/16/26/33/126 volts
6.5/16/26/33V @ 1.8A, 126V c.t. @ 60mA

Electro-Line transformer. Epoxy coated. Mounts with four #10 bottom holes. Weighs 2.5 pounds.  Primary terminals 1 and 2, 115V AC 50/60 Hz also Primary terminals 3 and 4, 115V AC; Secondary terminals 5, 6, 7, 8, and 9 supply 6.5V, 16V, 26V, or 33V per tap @ 1.8 amps.  2nd Secondary at terminals 10, 11 (c.t.), and 12 supply 126V (or 63V) at 60 milliamps.   NSN: 5950-01-061-7495.

Primary: 120 volts
Secondary: 24.3/40.5 volts
40.5V @ 4A, 24.3V @ 30mA

Lambda power transformer. Electrostatically shielded. Mounts horizontally with bell and wires on top. Studs on bottom. NSN: 5950-00-050-5240.

Primary: 120 volts
Secondary: 14/41.6 volts
14V @ 0.5A, 41.6V c.t. @ 0.5A

Freed transformer. Electrostatically shielded. Freed # 4381. 120V 60Hz primary (black, white/black) to two secondaries, one 14V @ 500 milliamp (white, green pair) and one 41.6V center tapped (white, red pair with white/yellow c.t.) @ 500 milliamps.  NSN: 5950-00-855-8357.

Primary: 117 volts
Secondary: 6/16/44 volts
44V @ 500mA with taps at 16V and 6V

American Magnetics center tapped transformer. Copper electrostatic shield. P/N: 24-AM-4041.

Primary: 120 volts
Secondary: 50/58 volts
50V c.t. @ 200mA, two 58V c.t. @ 3 amps

Open frame transformer. NSN: 5905-01-099-8300.

Primary: 120 volts 60 Hz
Secondary: 80 volts RMS @ 200mA
Apparent Power: 16 VA

Berkshire Transformer Corp. constant voltage power transformer. Requires 2µF, 330 vac external capacitor (included). 475 max wv. Hermetically sealed. Government surplus.

Primary: 120 volts 60 Hz
Secondary: 118 volts @ 1A
Apparent Power: 120 VA

Sola constant voltage transformer. Solid as a brick. Includes capacitor. New.

Primary: 200 volts 50/60 Hz
Secondary: 96/115 volts @ 1A
Apparent Power: 115 VA

General Electric transformer. Sealed. Mounts top or bottom by four 10-32 taps.

Primary: 250/500 volts
Secondary: 120 volts
Apparent Power: 200 VA

Burton transformer. 1 phase, 60 Hz, 200 va, 55º rise.

Primary: 120 volts
Secondary: 125 volts @ 4A
Apparent Power: 400 VA

Sola constant voltage transformer. Mounts horizontal on chassis with terminals out bottom. Includes capacitor. New in box. Date code = 1961!!

Primary: 115 volts
Secondary: 165 volts @ 500mA
Apparent Power: 80 VA

Quality Transformer (Chicago) power transformer. 115v primary, 6.6 ohms. 165 vac secondary, 500ma, 34 ohms. Electrostatic shield. N.O.S. U.S. made in the 1970's.

Auto Transformer

(TP) 1404D04

Primary: 120 volts
Secondary: 11.3/158/180/202/225/236/23000 volts
Dimensions: 10" x 11" x 12"H

Magnetran Broadcast transmitter salvage. Has lots of life left. Use an auto transformer by applying a higher voltage to the outside tap to ground and pull off any lower voltage on the rail to ground. Transformer removed from 20kw RCA transmitter.

Primary: 105/115/125 volts 50/60 Hz
Secondary: 32/225/550 volts
one 400V c.t. @ 120mA and two 32V @ 80ma

Berkshire Transformer power transformer. Hermetically sealed. Terminals & posts on bottom. NSN: 5950-809-9164.

Primary: 115/230 volts 45-65 Hz
Secondary: 32.5/40/65/67.5/80/130/135/220/440 volts
65V c.t. @ 500mA, 80V c.t. @ 110mA, 135V c.t. @ 200mA, 440V c.t. @ 40mA and one 130V c.t. @ 30mA

Sealed transformer, terminals out bottom, corner posts. Multi-tapped secondary has common center tap with four outer windings: 440 vct @ 40 madc, 135 vct @ 200 madc, 80 vct @ 110 madc, 65 vct @ 500 madc + stand alone extra winding of 130 vct @ 30 madc. Hermetically sealed. Electrostatically shielded winding.

Primary: 440 volts 57-63 Hz Single Phase
Secondary: 115 volts @ 6A
Apparent Power: 3000 VA

Micron Industries step-down transformer. 1 phase, 3 kVA. MIL-T-16315. NSN: 5950-01-166-1789.

Primary: 117/234 volts 50/60 Hz
Secondary: 15/30 volts
(two 15V @ 3.2A or one 15V @ 6.4A or one 30V @ 3.2A)

Two 117v 50/60Hz International Primaries; Two secondaries 15v, 3.2amp, 95VA. 3.9"DIA x 1.5"H 2.2lbs. UL & CSA recognized/certified. 10" Color coded leads. Class A 105°C. Primaries must be connected in series or parallel.

Primary: 117/234 volts 50/60 Hz
Secondary: 18/36 volts
(two 18V @ 3.9A or one 18V @ 7.8A or one 36V @ 3.9A)

Two 117v 50/60Hz International Primaries; Two secondaries 18v, 3.9amp, 140VA. 3.9"DIA x 1.9"H 3lbs. UL & CSA recognized/certified. 10" Color coded leads. Class A 105°C. Primaries must be connected in series or parallel.

Primary: 117/234 volts 50/60 Hz
Secondary: 117/234 volts
(two 117V @ 600mA or one 117V @ 1.2A or one 234V @ 600mA)

Two 117v 50/60Hz International Primaries; Two secondaries 117v, 0.6amp, 140VA. 3.9 "DIA x 1.9"H 3lbs. UL & CSA recognized/certified. 10" Color coded leads. Class A 105°C. Primaries must be connected in series or parallel.

Primary: 117/234 volts 50/60 Hz
Secondary: 15/30 volts
(two 15V @ 10A or one 15V @ 20A or one 30V @ 10A)

Two 117v 50/60Hz International Primaries; Two secondaries 15v, 10amp, 300VA. 4.6"DIA x 2.6"H 5.7lbs. UL & CSA recognized/certified. 10" Color coded leads. Class A 105°C. Primaries must be connected in series or parallel.

Primary: 117/234 volts 50/60 Hz
Secondary: 38/76 volts
(two 38V @ 3.9A or one 38V @ 7.8A or one 76V @ 3.9A)

Two 117v 50/60Hz International Primaries; Two secondaries 38v, 3.9amp, 300VA. 4.6"DIA x 2.6"H 5.7lbs. UL & CSA recognized/certified. 10" Color coded leads. Class A 105°C. Primaries must be connected in series or parallel.

Primary: 117/234 volts 50/60 Hz
Secondary: 18/36 volts
(two 18V @ 10.4A or one 18V @ 20.8A or one 36V @ 10.4A)

Two 117v 50/60Hz International Primaries; Two secondaries 18v, 10.4amp, 375VA. 5.4"DIA x 2"H 6.7lbs. UL & CSA recognized/certified. 10" Color coded leads. Class A 105°C. Primaries must be connected in series or parallel.

Primary: 117/234 volts 50/60 Hz
Secondary: 30/60 volts
(two 30V @ 7.7A or one 30V @ 15.4 or one 60 @ 7.7A)

Two 117v 50/60Hz International Primaries; Two secondaries 30v, 7.7amp, 460VA. 5.4"DIA x 2.6"H 7.9lbs. UL & CSA recognized/certified. 10" Color coded leads. Class A 105°C.

Primary: 117/234 volts 50/60 Hz
Secondary: 24/48 volts
(two 24V @ 13A or one 24V @ 26A or one 48V @ 13A)

Two 117v 50/60Hz International Primaries; Two secondaries 24v, 13amp, 625VA. 5.5"DIA x 3.2"H 9.5lbs. UL & CSA recognized/certified. 10" Color coded leads. Class A 105°C. Primaries must be connected in series or parallel.

Primary: 117/234 volts 50/60 Hz
Secondary: 30/60 volts
(two 30V @ 10.4A or one 30V @ 20.8A or one 60V @ 10.4A)

Two 117v 50/60Hz International Primaries; Two secondaries 30v, 10.4amp, 625VA. 5.5"DIA x 3.2"H 9.5lbs. UL & CSA recognized/certified. 10" Color coded leads. Class A 105°C.

Primary: 120/230 volts AC 50/60 Hz
Secondary: 6.3/14.8/64/195/390 volts (6.3v @ 3.6A, 14.8v @ 2A, 64v @ 100mA, 195 @ 500mA, and 195/390 @ 1.5A)
Apparent Power: 740 VA

Tortran vacuum tube amplifier transformer. Center epoxy potted with 3/8" mount hole. Dual primaries 115v (230v in series) 50/60Hz 740va. Five secondaries 390v C.T. at 1.5 amps, 195v at 0.5 amps, 14.8v at 2 amps, 6.3v at 3.6 amps, 64v at 0.1 amps. 6.1"DIA x 3"H, 14 lbs.

Primary: 117/234 volts 50/60 Hz
Secondary: 55/110 volts
(two 55V @ 9A or one 55V @ 18A or one 110V @ 9A)

Two 117v 50/60Hz International Primaries; Two secondaries 55v, 9amp, 990VA. 6.5"DIA x 3"H 15.2lbs. UL & CSA recognized/certified. 10" Color coded leads. Class A 105°C.

Primary: 110/230 volts 60 Hz
Secondary: 22/44 volts
(two 22V @ 73mA or one 22V @ 146mA, or one 44V @ 73mA)

110/230v 60Hz Primary; Two secondaries 22v, 73ma, (No load 31.3v, 1.5ma), 70% eff. For 110v supply power, primaries must be parallel; for 230v operation, primaries must be in series. OD: 42.mm ID: 7.mm x 17.5mm H

Primary: 110/230 volts 60 Hz
Secondary: 18/36 volts
(two 18V @ 139mA or one 18V @ 278mA or one 36V @ 139mA)

110/230v 60Hz Primary; Two secondaries 18v, 139ma, (No load 25.5v, 2ma), 70% eff. For 110v supply power, primaries must be parallel; for 230v operation, primaries must be in series. OD: 47.mm ID: 6.mm x 18mm H

Primary: 110/230 volts 60 Hz
Secondary: 22/44 volts
(two 22V @ 341mA or one 22V @ 682mA or one 44V @ 341mA)

110/230v 60Hz Primary; Two secondaries 22v, 341ma, (No load 27.2v, 4ma), 81% eff. For 110v supply power, primaries must be parallel; for 230v operation, primaries must be in series. OD: 57.5mm ID: 7.mm x 24.mm H

Primary: 110/230 volts 60 Hz
Secondary: 15/30 volts
(two 15V @ 1.16A or one 15V @ 2.32A or one 30V @ 1.16A)

110/230v 60Hz Primary; Two secondaries 15v, 1.16amp, (No load 17.6v, 7ma), 85% eff. For 110v supply power, primaries must be parallel; for 230v operation, primaries must be in series. OD: 78.mm ID: 17.mm x 33.5mm H

Primary: 110/230 volts 60 Hz
Secondary: 15/30 volts
(two 15V @ 1.66A or one 15V @ 3.32A or one 30V @ 1.66A)

110/230v 60Hz Primary; Two secondaries 15v, 1.667 amp, (No load 17.3v, 8ma), 86% eff. For 110v supply power, primaries must be parallel; for 230v operation, primaries must be in series. 82.4mmL x 82.4mmW x 37.5mmH, UL & VDE certifications, Maximum ambient temperature of 40°C

Primary: 110/230 volts 60 Hz
Secondary: 18/36 volts
(two 18V @ 89mA or one 18V @ 178mA or one 36V @ 89mA)

110/230v 60Hz Primary; Two secondaries 18v, 89ma, (No load 25.7v, 1.5ma), 70% eff. For 110v supply power, primaries must be parallel; for 230v operation, primaries must be in series. 44.7mmL x 44.7mmW x 19.5mmH, UL & VDE certifications, Maximum ambient temperature of 60°C

Primary: 110/230 volts 60 Hz
Secondary: 18/36 volts
(two 18V @ 139mA or one 18V @ 278mA or one 36V @ 139mA)

110/230v 60Hz Primary; Two secondaries 18v, 139ma, (No load 25.5v, 2ma), 68% eff. For 110v supply power, primaries must be parallel; for 230v operation, primaries must be in series. 49.7mmL x 49.7mmW x 19.5mmH, UL & VDE certifications, Maximum ambient temperature of 60°C

Primary: 110/230 volts 60 Hz
Secondary: 22/44 volts
(two 22V @ 114mA or one 22V @ 228mA or one 44v @ 114mA)

110/230v 60Hz Primary; Two secondaries 22v, 114ma, (No load 29.7v, 2ma), 68% eff. For 110v supply power, primaries must be parallel; for 230v operation, primaries must be in series. 49.7mmL x 49.7mmW x 19.5mmH, UL & VDE certifications, Maximum ambient temperature of 60°C

Primary: 110/230 volts 60 Hz
Secondary: 18/36 volts
(two 18V @ 417mA or one 18V @ 834mA or one 36V @ 417mA)

110/230v 60Hz Primary; Two secondaries 18v, 417ma, (No load 22.2v, 4ma), 80% eff. For 110v supply power, primaries must be parallel; for 230v operation, primaries must be in series. 60mmL x 60mmW x 26.3mmH, UL & VDE certifications, Maximum ambient temperature of 60°C

Primary: 110/230 volts 60 Hz
Secondary: 18/36 volts
(two 18V @ 972mA or one 18V @ 1.94A one 36V @ 972mA)

110/230v 60Hz Primary; Two secondaries 15v, 1.667 amp, (No load 17.3v, 8ma), 86% eff. For 110v supply power, primaries must be parallel; for 230v operation, primaries must be in series. 82.4mmL x 82.4mmW x 37.5mmH, UL & VDE certifications, Maximum ambient temperature of 40°C

Primary: 100/120/220/240 volts 50/60 Hz
Secondary: 110 volts @ 1.92A
Apparent Power: 230 VA

Quad 100/120/220/240v 50/60Hz primaries; One secondary 110v, 1.92 amp, 230VA. 4.6"DIA x 2.4"H 5.2lbs. Multiple primaries must be connected in series or parallel.

Primary: 100/120/220/240 volts
Secondary: 110/220 volts
(two 110V @ 2.5A or one 110V @ 5A or 220V @ 2.5A)

Quad 100/120/220/240v 50/60Hz Primaries; Two secondaries 110v, 5amp (240v, 2.5amp), 600VA. 6.2"DIA x 3.1"H 13lbs. Multiple primaries must be connected in series or parallel.

Primary: 100/120/220/240 volts 50/60 Hz
Secondary: 110/220 volts
(two 110V @ 4.16A or one 110V @ 8.3A or 220V @ 4.16A)

Quad 100/120/220/240v 50/60Hz Primaries; Two secondaries 110v, 8.33amp (220v, 4.16amp), 1000VA. 6.9"DIA x 3.5"H 20lbs. Multiple primaries must be connected in series or parallel. Factory new production overrun stock.

Primary: 100/120/220/240 volts 50/60 Hz
Secondary: 110/220 volts
(two 110V @ 12.5A or one 110V @ 25A or 220V @ 12.5A)

Quad 100/120/220/240v 50/60Hz Primaries; Two secondaries 110v, 25amp (240v, 12.5amp), 3000VA. 10"DIA x 4.3"H 47lbs. Multiple primaries must be connected in series or parallel.