Small Electronic Transformers
Our electrical transformers for sale allow you to change the flow of electricity whenever necessary. You might hear these AC to DC transformers referred to as voltage transformers, as well.
The AC to DC transformers we distribute come from top-grade manufacturers, such as ACME and Apollo. We only carry manufacturers that we trust and that have proven the reliability and longevity of their product lines. If the product you’re looking for among our electrical transformers for sale is out of stock, you can fill out our part request form and we’ll contact you shortly.
Find the electrical transformer you need today.
Items 1-24 of 235
- H&H TW CO - H0942B - 44VCT @ 13A.$44.96READY TO SHIP - ONLY 8 LEFT IN STOCK!
H&H TW CO - H0942B 44VCT@13Amps
Secondary24v @ 2.5A
Open frame style 5 1/4"W x 6 1/4"D x 4 1/2"H.
Doubled Marked 610295-01A
Packages over 5 lbs. require additional shipping charge dependent upon destination.
Note: May have Surface Rust on the transformer.
New Old StockLearn More
- Revere Industries - RT-G2440SL - Power Adapter 24 VAC, 40VA Grounded Transformer with LED, w/Surge Protection.Special Price $14.98 Regular Price $19.50 As low as $12.98IN STOCK - MORE THAN 100 READY TO SHIP!
Revere Industries - RT-G2440SL - Power Adapter 24 VAC, 40VA Grounded Transformer with LED
The REVERE POWERMASTER™ RT-G2440SL is a 24VAC, 40VA Class II UL Encased Plug-in Transformer. Its features include an LED indicator for power supervision, built in cable strain relief, Grounding Pin and convenient Ground Screw. Its construction is a bright decorator white colored plastic. It comes with a mounting tab and mounting screw. Its compact design, as well as its decorator color, makes it perfectly suitable for office or residential decors.
Primary: 120VAC 60Hz
Secondary: 24VAC 40VA 1.7Amp
Plug-in Class 2 Transformer
LED Indicator: Supervises Power
Primary Termination: 2 Male Blades & Ground Pin
Connector: Recessed Barrier Strip w/Screw Terminals.
Secondary Termination: 3 #6-32 Screw Terminals with washers for secure contact
Size: 2 7/8" W x 2 1/4" D x 3 7/8" H, (69.6 X 56.6 X 97.9 mm) Weight: 1.5 lbs.
- PICO - T-22030 - TF5R21ZZ - Shielded 100 Ohm CT/ 100 Ohm Split, Ultra Miniature Audio Transformer.Special Price $26.98 Regular Price $48.50 As low as $19.98IN STOCK - MORE THAN 1,000 READY TO SHIP!
PICO - T-22030 - TF5R21ZZ - Shielded 100 Ohm CT/ 100 Ohm Split, Ultra Miniature Audio Transformer.
Audio Transformers are transformers that are used over the audio frequency range. Audio Transformers are used in a variety of applications. They can provide galvanic isolation, signal gain/loss, match impedances between two interfaces, can be used as a reference and to provide feedback signal. Pico Electronics’ Audio Transformers are manufactured to MIL-PRF-27 Grade 5 Class S. These ultra-miniature transformers are made for durability while maintaining their electrical characteristics. All catalog transformers are manufactured to meet Mil-Std-202, method 107, thermal shock from -55°C to +130°C. All units can be manufactured with a 300 thermal cycle guarantee. Standard as well as custom designs are available. Pico Electronics, Inc. is an approved QPL source.
- MIL-PRF-27: All units manufactured to MIL-PRF-27, Grade 5, Class S.
- FREQUENCY RESPONSE:±3db, 20 Hz - 25 KHz at 1.0 Milliwatt.
- MAXIMUM DISTORTION: 5% With Rated Power Level at 1 KHz and 300 Hz. 10% Distortion at 20 Hz.
- DIELECTRIC STRENGTH: All Units Tested at 200 V RMS.
- INSULATION RESISTANCE: Greater Than 10,000 Megohms at 300 V DC.
- WEIGHT: 28 Grams.
- OPERATING TEMPERATURE: -55º C to +130º C.
- TERMINALS: Solid .020 Diameter Conductor. Solderability per MIL-STD-202 Method 208.
- THERMAL SHOCK: 25 Cycles, Method 107, MIL-STD-202, Test Condition -55º C to +130º C.
Shielded 100 Ohm CT/ 100 Ohm Split Winding in Series, Hermetically Sealed - 7 Wire.
Secondary Impedance Ohms Split Winding in Parallel: 25.00 Ohms.
Frequency response: 3
Power Watt 1 KHzand higher: 3.000
Power Watt 300 Hz and higher: 2.000
Power Watt 20 hZ and higher: 0.006
Primary Unbalanced DC Current mA: 10.00
Primary DC Resistance Ohm: 8.00
Secondary DC Resistance Ohm Series Conn: 10.00
Secondary DC Resistance Ohm Parallel Conn: 2.50
Turns Ratio pri/Sec Sec Seri Conn: 1.01
Turns Ratio Pri/Sec Parallel Conn: 2.01
Alternates: W-26095, R-20045, Y-27310, W-26085, Y-27505, S-21440
Package: 0.75" D x 0.82" high.
Additional Data: https://www.picoelectronics.com/
- Ensign - P020-2-016X - Transformer, Power. Pri/Sec: 120/240 to Dual 8V.Special Price $8.98 Regular Price $10.50 As low as $6.98IN STOCK - MORE THAN 100 READY TO SHIP!
Ensign - P020-2-016X Transformer, Power.
Captain Class - Center-tapped
Secondary: Dual 8V 2.5A or single 16V @ 1.25A.
Construction: Low Profile semi-toroidal hum-bucking.
Dimensions: 35mm above board x 48mm x 57mm.
- AULT INC - 328-2024-000E3 - Transformer. AC adapter. 24VAC 0.83A 20VA out.Special Price $8.98 Regular Price $10.50
- SIGNAL TRANSFORMER INC - DP-241-7-24 - Transformer, Power. 115/230V Primary, 24V SecondarySpecial Price $18.98 Regular Price $24.50 As low as $16.98READY TO SHIP - ONLY 39 LEFT IN STOCK!
SIGNAL TRANSFORMER DP-241-7-24
115/230 VOLTS PRIMARY 24 VOLTS SECONDARY
Brand: Signal Transformer Inc
Primary: 115/230 Volts
Secondary: 24 Volts
Max. Current: 2.4 Amps
Max Power: 56 Watts
Dimensions: Height 57-2mm X Length 93.7 mm X Width 49.2mm
New in OEM bulk packaging.
UL recognized to UL 506 / UL 5085-1, File # E63829
CSA certified to C22.2 #66.1, File # 221070
Pb Free. Made in USA.Learn More
- Triad/Magnetek - F-41X - Transformer. 25.2VCT@ 2Amp.Special Price $12.98 Regular Price $16.50 As low as $9.98IN STOCK - MORE THAN 100 READY TO SHIP!
Triad/Magnetek - F-41X Transformer.
Maximum Power 50.4 VA
Voltage Regulation 10% Typical 2 Full load to no load
Filament transformer red-red/yel-red.
115VAC Primary black leads.
Dimensions: 2.593 x 4.00 x 2.250" high with 2 hole mounting flange 3.56"spacing.
Hipot of 1500B between primary and secondary windings and core
Weight: 2.2 lbs.Learn More
- Triad Magnetics - SP62 - Transformer TF5RX17ZZ- AUDIO Output Transformer, Pri. 800 ohms, Sec. 3.2 ohmSpecial Price $12.98 Regular Price $18.50 As low as $8.98IN STOCK - MORE THAN 100 READY TO SHIP!
Triad/Magnetics - SP62 - Transformer TF5RX17ZZ- AUDIO Output Transformer, Pri. 800 Ohms CT, Sec. 3.2 ohm, 4mA
This is a Red Spec audio transformers designed and constructed to meet the rigid requirements of MIL-T-27E. It features an epoxy molded case, gold plated leads and exceptional operation from 300 Hz to 60 kHz.
1. Plug-in terminals are precision spaced to provide fixed mounting centers.
2. Red Spec transformers are hi-pot tested at 1,000 VRMS.
3. 150 VDC working voltage.
4. Red Spec transformers feature small footprint base dimensions of .310 by .410 inch.
5. Pin diameter = .020 inch.
New Old Stock in Manufacturer's box with slight tarnish
Starting to Tarnish due to age.
- Triad/Utrad - F28-200V - Transformers. Dual 14V 0.2Amp.$5.95
- Sprague - 11Z3101 - Transformer, pulse. Ratio: 1:1:1 (10-10-10 Ohms).$6.75
- SIGNAL TRANSFORMER INC - MPL-12-1296A - Transformer. Dual 13V primaries, 24VA triple secondaries.$4.95Transformer. Dual 13VAC primaries (4+3, 2+1). Secondaries: 5+6, and 8+9: 18.6V @ 216mA each, 7+10: 9.6V @ 180mA. 2.5" long x 2" wide x 1" above board. When used with voltage regulators: Regulator 1 - 5VDC 270mA, Regulator II - 12VDC 85mA 12VA. Flathead PCB mount 10 pin. New. Note: All ten terminals are coated with an anti-tarnish coating that disintegrates upon soldering. If you want to just test these transformers, remove the coating by touching with a soldering iron. Gould 294273 REV.00-1. Learn More
- SIGNAL TRANSFORMER INC - DPC120-200 BOARD - Dual 60V 0.4A Sec - Isolation Xfmr On a PC boardSpecial Price $14.98 Regular Price $18.95 As low as $12.98READY TO SHIP - ONLY 21 LEFT IN STOCK!
Signal Transformers - DPC120-200 BOARD
Signal's PC low power transformers are designed to operate between 50 and 500 Hz without any deggradation in output voltage.
Isolation Step down Signal Transformer DPC120-200 on a PCB.
2 x 60V 0.4AMP **ON A PC BOARD** (for customer convenience)
MINIATURE PC Mount POWER TRANSFORMERS
DUAL 115/230V PRI 8-PIN 24VA
1.6"L X 2.25"W X 1.38"HIGH 12-0Z EACH.
Includes Terminal / Barrier Strip for Easy Connections.
Insulation System: Class B 130 C
Isolation Voltage - 1500 Vrms.
Agency Certifications: UL and CSA Certified
- SIGNAL TRANSFORMER INC - DPC-120-200 - Dual Primary Transformer, Isolation/ Step-down. Power: 24VA.Special Price $8.98 Regular Price $12.50 As low as $6.98IN STOCK - MORE THAN 500 READY TO SHIP!
Signal Transformers - DPC-120-200 Transformer, Isolation/Step-down.
Power: 24VA. Pri/Sec: Dual: 115 / 230VAC Pri to Dual 60VAC 0.4Amp.
Secondary: Output in Series = 120VCT at 200mA Output in Parallel = 60V at 400mA.
Construction: Miniature printed circuit board mount. Laminated Core
Dimensions: 1.6"L X 2.25"W X 1.38"H. (41.3mm x 57.2mm x 34.93mm)
Weight: 12-oz each.
Volatege Isolation: 1500Vrms
8-pin-Series, designed to operate from 50Hz through 500Hz,
Insulation Class B 130degC UL-1466 E66312 UL-506 and CSA certified to C22.2 #66
Also useful as 24 Watt Isolation Transformer 120VCT.
RoHS3 CompliantLearn More
- SIGNAL TRANSFORMER INC - 241-4-1775 - Transformer, Power. 15VAC at 400mA.Special Price $7.98 Regular Price $10.50 As low as $6.98IN STOCK - MORE THAN 500 READY TO SHIP!
Signal Transformers - 241-4-1775 Power Transformer.
Primary: 115 VAC
Secondary 15VAC at 400mA.
Split-bobbin, High isolation. Low capacitive coupling.
Dimensions: 2.37" long x 1.25" wide x 1.37" high.
Mounting holes are 2" apart.
Primary: 5" wire leads.
Sec: 8" wire leads to 3-pin molex plug.
Weight: 7 oz.Learn More
- SHOGYO - 350304RO2COA - AC Power Adapter, DC. 3VDC 400mA output.Special Price $3.98 Regular Price $6.50 As low as $3.49
- PREM Magntics - SPW613D - Transformer. 10V 2A or 20VCT 1A. 20VASpecial Price $12.98 Regular Price $14.50 As low as $7.98IN STOCK - MORE THAN 100 READY TO SHIP!
PREM Magntics - SPW613D Transformer, Power. 20VA20VA.
Parallel: 10V@2Amp. Series: 20VCT@1Amp.
Mount: PCB 8 Pin.
UL 506/5085-2 (File E96326)
CSA-C22.2 No. 66.1-06 & No. 66.2-06 (File 063944)
Dielectric strength: 2500Vrms primary to secondary
Insulation system: Class B (130°C), UL 1446 (File E85315)
100% final tested: Every transformer is tested on automated panels for exciting current, open circuit voltage (turns ratio), polarity (phasing), and dielectric strength
Dual primaries & dual secondaries: Must be series or parallel connected
Three flange bobbin design; no electrostatic shield required
Immersed in 100% solids epoxy resin to withstand most aqueous and solvent cleaning systems
Also available: Single 115V primary SPW-610-S series
Other primary and secondary voltages may be custom designed to your specifications
More info: https://www.premmagnetics.com/spw-613-d-dual-115-230v-primary-20-0va-series-20vct-1-0a-parallel-10v-2-0a/Learn More
- PULSE ENGINEERING - PE64680 - PULSE TRANSFORMER DIP-8Special Price $4.46 Regular Price $5.95
- PICO - PICO-10905 - Pulse Transformer ultra-miniature 5Watt$45.99
- JENSEN - 25CV4 - Transformer, audio. 25VCT line transformer.Special Price $6.98 Regular Price $9.50IN STOCK - MORE THAN 100 READY TO SHIP!
JENSEN - 25CV4 Transformer, Audio.
Professional Series "Constant Voltage" Transformer specially designed for "constant voltage" distribution system.
Input (Primary): 25 Volt balanced or unbalanced line
Output (Secondary): 8 - Ohm loudspeaker load
Power to Speaker: 4, 2, 1/2, 1/4, 1/8 watts
Frequency Response: +/- 1 dB, 50 - 10,000 Hz
Useful Frequency Response: 30 - 20,000 Hz
Total Harmonic Distortion: 1/2% Max. 100 - 15,000 Hz
efficiency: 80% on 4 watt setting
Nominal Core Size: 5/8" X 5/8"
Overall Dimensions: 2 7/8"Wide, 1 9/16" Heights, 1 3/4" Depth
Mounting Holes 1 3/16" diameter on 2 3/8" centers
Coil/Coil/Core Insulation: 500 volts RMS, 60 Hz
Net Weight: 9 Oz
Vintage Genuine Jensen New Old Stock
Cross: Z3631.Learn More
- GLOBAL VILLAGE COMMUNICATION - CX09V500 - P/N 43-1125 AC Adaptor. Output: 9VDC 500mA.Special Price $6.98 Regular Price $12.95IN STOCK - MORE THAN 100 READY TO SHIP!
GLOBAL VILLAGE COMMUNICATION - CX09V500 P/N 43-1125
AC Adaptor. Output: 9VDC 500mA. 11VA
5.5 x 2 mm Center Barrel Positive
Supports 0940 07500-04 and others
5.5 x 2mm center-positive barrel connector on 6 foot cord.
Approximately 2"x2-1/2"x1-1/2" in size,
Class 2 Transformer
Color Beige.Learn More
- ELECTRO NETWORKS - 6096978-1 - Military Radio Transformer W8885$99.00
- Dynamic Instruments Corp - 05D0003 - AC Adapter, Input: 120VAC, Output 9.75VDC 650mA.Special Price $6.98 Regular Price $12.50 As low as $4.98
Dynamic Instruments Corp - 05D0003 Power Supply.
AC Adapter. Input: 120VAC 60Hz 12 watt.
Output: 9.75VDC 650mA.
High current, internal has a center-tapped transformer with (2) 1N4001 rectifiers and a 1000uF filter.
A 6 foot cord terminated with 1/8" (3.5mm) plug.
Applications: Various Sinclair Computers and other products.
New Old Stock
Proudly Made in the USA.Learn More
- EDS - EDS-2-500 - Model Number 6801 - 8.7VDC AC adapter. 150mA.Special Price $4.98 Regular Price $6.50IN STOCK - MORE THAN 100 READY TO SHIP!