Low Voltage Transformers - 30v to 200v
 

Transformer
Primary: 115 / 127 / 220v
Secondary: 20v - 0 - 20v
150v / 10v / 17.5v / 47.5v

(TP) 242R0
European open frame transformer. 150 watt.

• Primary: 115 / 127 / 220v, ±5%
• Secondary: 20v - 0 - 20v,
150v, 10v, 17.5v, 47.5v
• Dimensions: 3" x 3" x 3"
• Weight: 3-1/4 lbs
 
 
$24 each
 

Plate & Filament Transformer
Input: 120 vac
1st Secondary: 5v @ 3 amp
2nd Secondary: 100 vct @ 0.1 amp

(TP) 440-2014
Plate & filament transformer.

• Input: 120 vac
• 1st Secondary: 5v @ 3 amps
• 2nd Secondary: 100 vct @ 0.1 amp
• Dimensions: 6-5/8" x 5-3/4" x 5"
• Weight: 30 lbs
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
 
 

Transformer
Primary: 115 / 230 vac
Secondary: 30 vct @ 0.5 amp, 60 Hz

(TP) 406P4
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 / 230 vac
• Secondary: 30 vct @ 0.5 amp, 60 Hz
• Dimensions: 2-3/8" x 2-1/2" x 3"H
$25 each
 
$15 each - $13.50 (6+), $12 (25+)

Multi-Voltage Power Transformer
Primary: 105, 115, 125v, 210, 230, 250v

(TP) 520002
Multi-voltage power transformer. See PDF file for pin-out of windings and the creative use of a multi-tap winding. Pin 13 provides the center tap for the 32 volt DC supply and the ground connection for the 24.5 vac output (pin 11) to power and external motor. Weighs 6.5 lbs.

• Primary: 105, 115, 125v, 210, 230, 250v
• Secondary: Sec. 1: 12.6v @ 3 amps,
Sec. 2: 8.8v, 24.5v, 40.3v @ 1 amp,
Sec. 3: 50v @ 1 amp
• Terminals: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16
• Dimensions: 3-3/4" x 3-3/4"D x 3-1/8"H
 

SNC Transformer
30v @ 0.5 amps

(TP) 25-3006
SNC transformer, hermetically sealed. Harris P/N: 472-0643-000.

• Primary: 115v @ 60 Hz
• Secondary: 30v @ 0.5 amps
• Dimensions: 2" x 2" x 2-5/8"H
$25 each
 
$32 each

PC Mount Transformer
Series: 17v @ 250 ma
Parallel: 34 vct @ 125 ma

(TP) PC-34-125
Signal Transformer PC mount transformer. 4.4 va. Dual secondary.

• Primary: 115v
• Secondary: 17v @ 250 ma series or
34 vct @ 125 ma parallel
• Dimensions: 1-5/8" x 1-1/8"W x 1-1/4"H
 

Split Bobbin / High Isolation
Series: 36 vct @ 170 ma
Parallel: 18v @ 340 ma

(TP) ST-4-36
Signal Transformer split bobbin / high isolation PC mount transformer.

• Primary: 115v
• Secondary: 36 vct @ 170 ma series or
18v @ 340 ma parallel
• Dimensions: 1-5/8" x 1-3/8"W x 1-1/4"H
$6 each
 
$8 each - $7.35 (3+)

Transformer
37 vrms @ 0.75 adc
8.4v @ 0.12 adc

(TP) 472-1023
Harris transformer. Harris P/N: 472-1023-000.

• Primary: 230v, 50/60 Hz
• Secondary: 37 vrms @ 0.75 adc,
8.4v @ 0.12 adc
• Dimensions: 2-1/2" x 3" x 3-1/8"H
 

Power Transformer
37 vrms @ 0.75 adc
8.4v @ 0.12 adc

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

• Primary: 115v, 50/60 Hz
• Secondary: 37 vrms @ 0.75 adc,
8.4v @ 0.12 adc
• Dimensions: 2-1/2" x 3" x 3-1/8"H
$15 each
 
$18 each

Transformer
38 vrms @ 1.5 adc
12.3 vrms @ 2 adc

(TP) 600047-512
Electronic Transformers Corp. was made for Mackay Marine. Sealed, heavy duty construction.

• Input: 115 / 230 vac @ 50 / 60 Hz
• Output: 38 vrms @ 1.5 adc /
12.3 vrms @ 2 adc
• Dimensions: 4-1/4" x 3-5/8" x 4-1/8"H
 

Transformer
Primary: 115 vac
Secondary: 37 vac @ 0.5 amps / 40 vac @ 0.5 amps

(TP) 17-7612
Triad-Utrad transformer. 2" x 2" c-c mounting holes.

• Primary: Black / Black, 115 vac
• Secondary: Green / Green, 37 vac @ 0.5 amps, Red, Red/White, Red/Yellow, C.T. 40 vac @ 0.5 amps
• Dimensions: 2-1/2" x 2-3/4" x 3"H
$19 each - $15 (3+)
 
$15 each

Stancor Transformer
40 vct @ 1 amp
(TP) P8564
Stancor open frame transformer has test voltage of 1500.
• Primary: 115 vac @ 50 / 60 Hz
• Secondary: 40 vct @ 1 amp
• Dimensions: 2-1/8" x 4" x 2-5/8"H
 

Honeywell Transformer
40 va - 24 vac

(TP) AT72D1683
Control transformer has a 40va rating. Mounting configuration: foot, plate, knockout, wire length 9".

• Primary: 120v
• Secondary: 26.5v
$18 each
 
$19 each

Transformer
Secondary #1: 40 / 30 / 20 or 8v @ 1.8 amps
Secondary #2: 104v @ 0.06 amps

(TP) 100483-701
Electro-Line transformer. Potted. Mounts with four #10 bottom holes. Weighs 2.5 lbs. NSN: 5950-01-061-7495.

• Primary: 115 - 230 vac, 50/60 Hz
• Secondary # 1: 40 / 30 / 20 or 8v @ 1.8a
• Secondary # 2: 104v @ 0.06a
• Dimensions: 3-1/2" x 3" x 2"H
 

Transformer
Secondary #1: 40.5 vac @ 4 amps
Secondary #2: 24.3 vac @ 30 ma

(TP) ABA-CC-28
Lambda power transformer. Electrostatically shielded. Mounts horizontally with bell and wires on top. Studs on bottom. NSN: 5950-00-050-5240.

• Primary: 120v - 132v
• Secondary # 1: 40.5 vac @ 4a
• Secondary # 2: 24.3 vac @ 30 ma
• Dimensions: 3-3/4" x 4-1/2" x 3-1/4"H
$45 each
 
$45 each

Transformer
Secondary #1: 14 vac @ 0.5 amp
Secondary #2: 41.6 vac C.T. @ 0.5 amp

(TP) ABA-202
Freed transformer. Electrostatically shielded. Freed # 4381. NSN: 5950-00-855-8357.

• Primary: 120 vac, 60 Hz
(black / white-black)
• Secondary #1: 14 vac @ 0.5 amp
(white / green pair) C.T. 14v
• Secondary #2: 41.6 vac C.T. @ 0.5 amp
(white / red pair, white / yellow C.T.)
• Dimensions: 3" x 3" x 2-1/4"H
 

Transformer
Primary: 125v / 115v / 105v
Secondary: 42 vrms @ 8 adc

(TP) 8-60009502
Ametek transformer. Hermetically sealed, electrostatically shielded. Corner mounting studs and stud terminals on bottom. Alt. P/N: WE3123.

• Primary: 125v / 115v / 105v
• Secondary: 42 vrms @ 8 adc in a supply with F.W. bridge
• Dimensions: 5-3/8" x 6-1/2" x 5-1/2"H
$25 each
 
$95 each

Center Tapped Transformer
44v @ 0.5 adc / 6v / 16v

(TP) 472-0648
Center tapped transformer. Copper electrostatic shield.

• Primary: 117v, 50 / 60 Hz
• Secondary: 44v @ 0.5 adc, 6v, 16v
• Dimensions: 2-1/4" x 3-1/4" x 2-5/8"H
 

Transformer
Secondary: 50 vct @ 0.2 amps, 58 vct @ 3 amps,
58 vct @ 3 amps

(TP) 105514
Open frame transformer. NSN: 5905-01-099-8300.

• Primary: 103v - 126v
• Secondary: 50 vct @ 0.2 amps,
58 vct @ 3 amps, 58 vct @ 3 amps
• Dimensions: 5" x 3-1/2" x 4"H
$29 each
 
$50 each

Constant Voltage Transformer
80v @ 200 ma RMS

(TP) BTC-6880
Berkshire Transformer Corp. constant voltage power transformer. Requires 2 µF, 330 vac external capacitor (included). 475 max wv. Hermetically sealed. Government surplus.

• Primary: 91 - 125 vac, 60 Hz
• Secondary: 80v, 200 ma RMS
• Dimensions: 3" x 3-1/2" x 5"H
• Mounting Plate: 3-1/2" x 4-1/2"
 

Power Transformer
Dual 100 vct @ 200 ma

(TP) 472-0618
Power transformer. Unit is fused with 3 amp fuse. Includes line cord and output cord with 6 pin female cinch. Gates P/N: 472-0618-000.

• Primary: 120 vac
• Secondary: Dual 100 vct @ 200 ma
• Dimensions: 6" x 4" x 3-1/2"H
$65 each
 
$22 each

Sola Transformer
118v CV

(TP) 20-14-112
Sola constant voltage transformer. Solid as a brick. Includes capacitor. New.

• Input: 90 - 130 vac @ 60 Hz
• Output: 118 vac @ 1.02 amps
• Dimensions: 3" x 5" x 4-3/4"H
 

GE Transformer
Primary: 200v - 50/60 Hz
Secondary: 115v / 96v - 0.115 kva

(TP) 9T44Y3165
General Electric transformer. Sealed. Mounts top or bottom by four 10-32 taps.

• Primary: 200v - 50/60 Hz
• Secondary: 115v / 96v - 0.115 kva
• Dimensions: 3-1/2" x 5" x 4-3/4"H
$99 each
 
$25 each

Burton Transformer
Primary: 250v / 500v
Secondary: 120v / 151v

(TP) 2556
Burton transformer. 1 phase, 60 Hz, 200 va, 55º rise.

• Primary: 250v / 500v
• Secondary: 120v / 151v
• Dimensions: 4-1/2" x 4-1/2" x 4"H
 

Constant Voltage Transformer
125 vac @ 4 amp output
90 - 130 vac input

(TP) 22212
Sola constant voltage transformer. Mounts horizontal on chassis with terminals out bottom. Includes capacitor. New in box. Date code = 1961!!

• Output: 125 vac @ 4 amp
• Input: 90 - 130 vac
• Dimensions: 3" x 3-1/2" x 4-1/2"L
$75 each
 
$25 each

Auto Transformer
235v / 225v / 202v / 180v / 158v / 11.3v / 23 kva
(TP) 1404D04
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.
• 235v / 225v / 202v / 180v / 158v /
11.3v / 23 kva
• Dimensions: 10" x 11" x 12"H
 

Auto Transformer
200 / 208 / 215 / 230 / 240 / 250 / 260
Output: 230v @ 21 amps

(TP) AS-30496E
Electro Engineering Works auto transformer. Only one winding, NOT an isolation transformer. Harris P/N: 474-0020-000.

• 200 / 208 / 215 / 230 / 240 / 250 / 260
• Input: 200v - 260v, 50-60 cps
• Output: 230v @ 21 amps
• Dimensions: 5" x 4-3/4" x 7"H
$75 each
 
$75 each
 
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