Transformers

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. 

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  1. 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 $12.98

    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.

    Listed UL 

     

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  2. 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 $19.98

    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.

    Specifications:

    • 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

    NSN: 5950-01-240-4210

    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/

     

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  3. Ensign - P020-2-016X - Transformer, Power. Pri/Sec: 120/240 to Dual 8V.
    Special Price $8.98 Regular Price $10.50 As low as $6.98

    Ensign - P020-2-016X Transformer, Power.

    Captain Class - Center-tapped  

    Power: 20VA.

    Pri/Sec: 120/240

    Secondary: Dual 8V 2.5A or single 16V @ 1.25A.

    Construction: Low Profile semi-toroidal hum-bucking.

    Mounting: PCB.

    Dimensions: 35mm above board x 48mm x 57mm.

     

     

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  4. AULT INC - 328-2024-000E3 - Transformer. AC adapter. 24VAC 0.83A 20VA out.
    Special Price $8.98 Regular Price $10.50
    NOT IN STOCK - CALL FOR PRICE AND AVAILABILITY

    AULT INC - 328-2024-000E3

    Transformer. AC adapter. 24VAC 0.83A 20VA out

    120VAC 60Hz 0.22A input.

    Class 2 UL listed 38H3.

    328-2024-00e3

    Mount: Wall - plug in.

    5.5mm female DPC plug on the end of 7.5ft 2-Cond cable.

     

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  5. SIGNAL TRANSFORMER INC - DP-241-7-24 - Transformer, Power. 115/230V Primary, 24V Secondary
    Special Price $18.98 Regular Price $24.50 As low as $16.98

    SIGNAL TRANSFORMER DP-241-7-24

    115/230 VOLTS PRIMARY 24 VOLTS SECONDARY

    Brand: Signal Transformer Inc

    Type: DP-241-7-24

    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.

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  6. Triad/Magnetek - F-41X - Transformer. 25.2VCT@ 2Amp.
    Special Price $12.98 Regular Price $16.50 As low as $9.98

    Triad/Magnetek - F-41X Transformer.

    25.2VCT@ 2Amp. 

    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.

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  7. Triad Magnetics - SP62 - Transformer TF5RX17ZZ- AUDIO Output Transformer, Pri. 800 ohms, Sec. 3.2 ohm
    Special Price $10.98 Regular Price $16.50 As low as $8.98

    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 tarnishStarting to Tarnish due to age.

     

     

     

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  8. Triad/Utrad - F28-200V - Transformers. Dual 14V 0.2Amp.
    $5.95
    Transformers. Dual 14V 0.2Amp 6VA or 28VCT 200ma, single 115V Primary.Split-bobbin wound PCB mount. Series: 28VCT 200ma or Parallel outputs of 14V 200ma. 1/2lb. Learn More
  9. Sprague - 11Z3101 - Transformer, pulse. Ratio: 1:1:1 (10-10-10 Ohms).
    $6.75
    Transformer, pulse. Ratio: 1:1:1 (10-10-10 Ohms). Enclosed. Mount: PCB. Dimensions: 1" x 0.75" x 0.75"high. Leads: 0.5" long. Learn More
  10. SIGNAL TRANSFORMER INC - MPL-12-1296A - Transformer. Dual 13V primaries, 24VA triple secondaries.
    $4.95
    Transformer. 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
  11. SIGNAL TRANSFORMER INC - DPC120-200 BOARD - Dual 60V 0.4A Sec - Isolation Xfmr On a PC board
    Special Price $12.98 Regular Price $18.95

    Signal Transformers - DPC120-200 BOARD

    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

    SERIES: 120VCT@200MA

    PARALLEL: 60V@400MA

    1.6"L X 2.25"W X 1.38"HIGH 12-0Z EACH.

    Includes terminal / barrier strip for easy connections.

    Laminated core,

    Isolation Voltage - 1500 Vrms, 

     

     

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  12. 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 $6.98

    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 Compliant

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  13. SIGNAL TRANSFORMER INC - 241-4-1775 - Transformer, Power. 15VAC at 400mA.
    Special Price $7.98 Regular Price $10.50 As low as $6.98

    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.

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  14. SHOGYO - 350304RO2COA - Power supply, DC. 3VDC 400mA output.
    $3.75
    Power supply, DC. 3VDC 400mA output, 3.5mm RA plug Ctr Neg. Input: 120VAC 60HZ 3.5W. UL Listed Class 2 wall transformer.Double marked U/010/7. Learn More
  15. PULSE ENGINEERING - PE64680 - PULSE TRANSFORMER DIP-8
    Special Price $4.46 Regular Price $5.95
    DIP-8 PULSE TRANSFORMER Learn More
  16. PICO - PICO-10905 - Pulse Transformer ultra-miniature 5Watt
    $45.99
    Pulse Transformer ultra-miniature 5Watt 3.2V to 330V 5W 30KHz 0.6"OD - new Learn More
  17. JENSEN - 25CV4 - Transformer, audio. 25VCT line transformer.
    Special Price $6.98 Regular Price $9.50

    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.

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  18. GLOBAL VILLAGE COMMUNICATION - CX09V500 - P/N 43-1125 AC Adaptor. Output: 9VDC 500mA.
    Special Price $6.98 Regular Price $12.95

    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

    120VAC input

    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

    UL SAE 

    Color Beige.

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  19. ELECTRO NETWORKS - 6096978-1 - Military Radio Transformer W8885
    $99.00
    Radio Transformer Factory New Military Fully enclosed NSN 5950-005019442, (LOCKHEED MARTIN 6096978-1)Double marked W8885 Learn More
  20. Dynamic Instruments Corp - 05D0003 - AC Adapter. 9.75VDC 650mA.
    $4.50
    Power Supply. AC Adapter. Input: 120VAC 60Hz 12 watt. Output: 9.75VDC 650mA. Wall-wart. High current, has a center-tapped transformer with (2) 1N4001 rectifiers and a 1000uF filter inside. A 6 foot cord terminated with 1/8" plug. Made in the USA. Learn More
  21. EDS - EDS-2-500 - Model Number 6801 - 8.7VDC AC adapter. 150mA.
    Special Price $4.98 Regular Price $6.50

    EDS - EDS-2-500 8.7V Power supply. AC adapter.

    Model 6801

    Input: 120VAC 8 watt.

    Output: 8.7VDC 150mA.

    Wall adapter, with 6-foot 2-conductor cable.

    Listed: UL/CSA.

    Learn More
  22. ELECTRO NETWORKS - W8886 - Military Enclosed Transformer
    Special Price $899.99 Regular Price $1,123.00
    Military Enclosed TransformerNo other spec's avail. Marked Lockheed Martin 6096979-1 andElectro Networks W8860 Learn More
  23. ELECTRO NETWORKS - W8860 - Military Enclosed Transformer
    Special Price $899.99 Regular Price $1,123.00
    Military Enclosed TransformerNo other spec's avail. Marked Lockheed Martin 6096977-1 andElectro Networks W8860 Learn More
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