Transformers
 
Low Voltage Transformers - 6v to 7v

Merit Filament Transformers

Type A
Mounts horizontally. End bell passes through chassis.
Wires under chassis. Can convert with L brackets.
 
Type B
Mounts vertically. Attaches by feet to
chassis type.

Merit Filament Transformers Listed
 
Part Number
Voltages
Dimensions
Type
Price
 
(TP) P3043 Pri: 117v @ 60 cps; Sec: 6v @ 3a, 6.3v @ 10a, 6.3v @ 3.5a 3" x 3-3/4" x 3-3/4"H A
35.00
(TP) P2866 Pri: 117v @ 60 Hz; Sec: 25v @ 3ma, 6.3v @ 6.4a, 6.3v @ 6a 3-1/4" x 3-9/10" x 3-7/8"H B
45.00
(TP) P2848 Pri: 117v @ 60 Hz (tap 25v @ 0.3a); Sec: 6.3v @ 6.5a, 6.3v @ 0.9a 2-1/2" x 3" x 3-1/8"H B
35.00
(TP) P2871 Pri: 117v, 119.5v @ 380ma tap; Sec: 6.3v @ 6.5a, 6.3v @ 6.35a 3-1/2" x 2-15/16" x 3-1/2" B
49.00
(TP) P2863 Pri: 117v @ 60 Hz; Sec: 6.7v @ 4.1a, 6.7v @ 6.6a 3-1/8" x 2-1/2" x 3-1/2"H A
39.00
(TP) P2868 Pri: 117v @ 60 Hz; Sec: 6.7v @ 5.1a, 6.7v @ 3.6a 3-1/8" x 2-5/8" x 2-7/8"H B
35.00

Experimenter's Challenge!!
Filament Transformer

(TP) 64014
RCA filament transformer. We have not completely figured out this transformer. No voltage markings. 110v(?) with auto transformer tap. 5 vct red-red / yellow-red & 12 vct, green-green / yellow-green. Primary has white, black, white / black, black / yellow & yellow wires. Electrostatically shielded. 100 watt core.

Dimensions: 3-1/4" x 4" x 4"H
Weight: 7 lbs

 

Power Transformer
5v @ 6 amps / 6.4v @ 9 amps / 6.4v @ 2.75 amps

(TP) FT2606
Federal Telephone & Radio (FTR) power transformer. Shielded core. Sealed. Brand new in the box!!

Primary: 115v @ 50/65 Hz
Secondary: 5v @ 6 amps,
6.4v @ 9 amps, 6.4v @ 2.75 amps
Dimensions: 3-1/4" x 3-7/8" x 5-1/8"H

$10 each
 
$69 each

Power Transformer
6v @ 0.75 amps / 6v @ 9.2 amps / 6.3v @ 5.2 amps

(TP) 5090
Transformer Tech Inc. power transformer. Sealed.
NSN: 5950-00-581-8767.

Primary: 115 vac, 50 / 60 Hz
Secondary: 6v @ 0.75 amps,
6v @ 9.2 amps, 6.3v @ 5.2 amps
Dimensions: 5" x 3-3/8" x 3-1/8"

 

Filament Transformer
6.3v @ 4.7 amps / 6.3v @ 0.6 amps

(TP) UX7319A
Raytheon filament transformer. Hermetically sealed. Test volts: 1780 rms. Bottom terminals. 10-32 corner posts. New, old stock.

Primary: 115v, 60 Hz
Secondary: 6.3v @ 4.7 amps,
6.3v @ 0.6 amps
Dimensions: 3" x 3-1/2" x 4-1/4"H

$49 each
 
$39 each

Filament Transformer
6.3 vct @ 1 amp

(TP) 20547
Osborne Transformer Corp. filament power transformer. Hermetically sealed. 8,000 dcwv. NSN: 5950-00-762-6693.

Primary: 115v, 60 Hz
Secondary: 6.3 vct @ 1 amp
Dimensions: 2-1/2" x 3" x 5-1/2" overall height

 

Open Frame Style Transformer
6.3 vct @ 1.2 amps

(TP) 19-P-33
Inglot Electronics open frame style transformer. Mounts @ 4 corner #8 studs with all wire leads below chassis.

Primary: 115 / 230 vac @ 50/60 Hz
Secondary: 6.3 vct @ 1.2 amps
Dimensions: 3-3/8" x 2-13/16" x 2-7/8"H (above chassis), 1-1/8" below chassis

$75 each
 
$10 each

Filament Transformer
6.3v @ 0.32 amps / 6.3 vct @ 3 amps / 6.3 vct @ 3 amps

(TP) 15335
Freed filament transformer. Hermetically sealed. Electro-statically shielded. 1500v RMS. NSN: 5950-00-236-0903.

Primary: 230v @ 50 / 60 Hz
Secondary: 6.3v @ 0.32 amps, 6.3 vct @ 3 amps, 6.3 vct @ 3 amps
Dimensions: 3-1/2" x 4" x 4-5/8"H

 

Filament Transformer
6.3 vct @ 4 amps

(TP) P-8648
Stancor filament transformer. 1500 vrms test.

Primary: 117 vac, 50/60 Hz
Secondary: 6.3 vct @ 4 amps
Dimensions: 3.675" x 2" x 2-1/4"H

$55 each
 
$18 each

Filament Transformer
6.3v @ 4.5 amps

(TP) AN736
UTC filament transformer. Hermetically sealed. Military P/N: 292-5534G1. NSN: 5950-00-894-0188.

Primary: 110 / 115 / 120v @ 60 Hz
Secondary: 6.3v @ 4.5 amps, 300 wv
Dimensions: 2.5"W (+ flanges)
x 2" deep x 1-5/8"H

 

Power Transformer
Secondary 1: 6.3 vct @ 5 amps w/tap @ 5.9v
Secondary 2: 6.3v no ct @ 5 amps

(TP) 873646
Power transformer. Round body. Hermetically sealed. Glass sealed terminals on bottom. NSN: 5950-00-255-2204.

Primary: 117v, 60 Hz
Secondary 1: 6.3 vct @ 5 amps
with tap 5.9v
Secondary 2: 6.3v (no ct) @ 5 amps
Dimensions: 3-1/4"D x 3-3/4"H

$29 each
 
$29 each

PC Mount Transformer
6.3v / 12.6v @ 20 va

 

(TP) 14A-20-12
Signal Transformer Co. PC mount transformer.

Primary: 115v / 230v, 50/60 Hz
Secondary: 6.3v / 12.6v @ 20 va
Dimensions: 2-1/2" x 3" x 1-3/4"H

 

Filament Transformer
6.0 vct @ 1.5 amps or 6.3 vct @ 0.96 amps
+6.3 vct @ 8 amps

(TP) 30999
Freed filament transformer. Hermetically sealed, electro-statically shielded. Mounts on bottom with #8 screws. Removed from new, boxed equipment.

Primary: 115 vac @ 45 / 65 Hz
Secondary: 6.0 vct @ 1.5 amps or 6.3 vct @ 0.96 amps, +6.3 vct @ 8 amps
Dimensions: 3-1/4" x 3-7/8" x 5-3/4"H

$12 each - $10 (3+)
 
$35 each

Filament Transformer
6.3v @ 10 amps (1000wv)

(TP) 27F42
Thordarson filament transformer. 1000wv. Hermetically sealed, electrostatically shielded.

Primary: 105 / 115 / 125v @ 60 Hz
Secondary: 6.3v @ 10 amps, 1000wv
Dimensions: 3" x 3-5/8" x 3-3/4"H

 

Filament Transformer
Primary: 115v / 230v
Secondary: 6.5v @ 11 amps

(TP) 6-8428
SNC filament transformer. Sealed, New!! Sunair P/N: 6032-300307.

Primary: 115v / 230v
Secondary: 6.5v @ 11 amps
Dimensions: 3-1/4" x 4" x 3-7/8"H

$55 each
 
$59 each

Filament Transformer

(TP) 9842
Triad transformer, manufactured for RCA is very similar to (TP) 9T35Y181 (right). Corner posts. Hermetically sealed.

Primary: 115 vac @ 60 Hz
• 5 vct @ 6 amp
• 6.3v @ 6 amp
• 6.3v @ 2 amp
• 6.3v @ 1.2 amp
• 6.3 vct @ 1 amp
Dimensions: 3-1/2" x 3-3/4" x 5"H

 

GE Transformer
6.6v @ 1 amp - 6.6v @ 10 amps / (1070wv)

 

(TP) 9T35Y181
GE Transformer filament transformer is hermetically sealed. Corner posts on bottom. 10 in stock. Used , removed.

Primary: 115v / 120v / 126v /
132v @ 54 / 66 Hz
Secondary: 6.6v @ 1 amp,
6.6v @ 10 amps (1070 wv)
Dimensions: 3-1/4" x 4" x 5-1/8"H
$44 each
 
$45 each

UTC Power Transformer
11.6 vct (5.8v) @ 250ma with Tap @ 12.4v @ 600ma
(535wv)

(TP) P3778
UTC power transformer. 535wv. Sealed. Shielded cores. Brand new in the box!! Made in 1955.

Primary: 115 vac @ 45/65 Hz
Secondary: 11.6 vct (5.8v) @ 250ma with tap @ 12.4v @ 600 ma, 535wv
Dimensions: 3"D x 3-3/4"H

 

Low Voltage Transformer
700v test

(TP) BTC-7940
Berkshire low voltage transformer, 700v test. Sealed.

Primary: 220 / 460 vac (w/ 20v buck / boost) @ 47-63 Hz
• 6v @ 10.5 amp
• 6v @ 10.5 amp
• 13.5v @ 2.6 amp
• 16v @ 0.6 amp
• 32 vct @ 1.5 amp
• 115v @ 0.8 amp
Dimensions: 3-1/2" x 4" x 4-7/8"H

$45 each
 
$49 each