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. Ensign - P020-2-016X - Transformer, Power. Pri/Sec: 120/240 to Dual 8V.
    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
    IN STOCK - MORE THAN 100 READY TO SHIP!

    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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  2. SIGNAL TRANSFORMER INC - DPC-120-200 - Dual Primary Transformer, Isolation/ Step-down. Power: 24VA.
    SIGNAL TRANSFORMER INC - DPC-120-200 - Dual Primary Transformer, Isolation/ Step-down. Power: 24VA.
    Special Price $9.98 Regular Price $14.50 As low as $6.98
    IN 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 Compliant

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

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  4. UTC - DO-T22 - Miniature  Transistor Transformer 500 MW, 600-to-1.5K C.T.
    UTC - DO-T22 - Miniature Transistor Transformer 500 MW, 600-to-1.5K C.T.
    Special Price $9.98 Regular Price $19.99

    Miniature circuit board transformers, Output to Line PRi 1.5K CT, 3mA, Sec =600 Ohms AC = 600-OHM TO 1.5K-OHM CT, 500 MW,  TF 4RX 13 YY (BN-R-BLU 1.5KCT) (BK-G 600) Transistors Transformers (5) 2" leads, HERM-MIL-T-27A

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  5. SIGNAL TRANSFORMER INC - PC-34-25 - Miniature Low Power PC Mount Transformer,  Primary 115 VAC Secondary Dual 17 or Series 34V.
    SIGNAL TRANSFORMER INC - PC-34-25 - Miniature Low Power PC Mount Transformer, Primary 115 VAC Secondary Dual 17 or Series 34V.
    Special Price $7.98 Regular Price $9.50 As low as $5.98
    IN STOCK - MORE THAN 100 READY TO SHIP!

    Signal Transformer - PC-34-25 Low Power Transformer.

    RoHs Compliant

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  6. DALE - IPL-2329-11 - Transformer. Dual 60V 200mA.
    DALE - IPL-2329-11 - Transformer. Dual 60V 200mA.
    Special Price $7.98 Regular Price $8.50
    READY TO SHIP - ONLY 7 LEFT IN STOCK!

    DALE - IPL-2329-11 Transformer.

    Dual 60V 200mA.

    Useful as an isolation transformer at 24 watt.

    Mount: PCB 8 Pin.

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  7. SIGNAL TRANSFORMER INC - PC-24-35 - Transformer.Pri, 115VAC, Out: 1VA; 12V 70mA or 24VAC 35mA.
    SIGNAL TRANSFORMER INC - PC-24-35 - Transformer.Pri, 115VAC, Out: 1VA; 12V 70mA or 24VAC 35mA.
    Special Price $8.98 Regular Price $12.50 As low as $7.98
    READY TO SHIP - ONLY 57 LEFT IN STOCK!

    Signal Transformers - PC-24-35 Transformer.

    Output: 1VA; Parallel - 12V 70mA or Series - 24VAC, 

    Current Output: Parallel - 70 mA, Series  35 mA

    Input: 115VAC, 50-500 Hz

    Mount: PCB 6 pin.

    Dimensions: 25.40mm long x 34.92mm wide x 21.08mm high.

    Weight 0.157 lb (71.21 g) 

    RoHS compliant. No center tap.

    Miniature Low Power Transformers
    Signal’s PC low power transformers are designed to operate between
    50 Hz and 500 Hz without any degradation in output voltage.

    General Specifications
    • Dielectric Strength - 1500 Vrms Hipot
    •  Insulation System - Class B, 130° C, UL 1446 E66312

    Agency Certifications
    • UL recognized to UL 506 / UL 5085-2, File # E63829
    • CSA certified to C22.2 #66.1, File # 221070

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  8. SIGNAL TRANSFORMER INC - ST-6-36 - Transformer. 36VAC 550mA, 18VAC 1.1Amp.
    SIGNAL TRANSFORMER INC - ST-6-36 - Transformer. 36VAC 550mA, 18VAC 1.1Amp.
    $9.99
    Transformer. Maximum power: 20VA. Primary winding(s): single. Secondary winging(s): dual, no center tap. Series output: 36VAC 550mA. Parallel output: 18VAC 1.1Amp. Mount: PCB 6 leads. Learn More
  9. SIGNAL TRANSFORMER INC - DPC-16-260 - Transformer. 16VCT 260mA.
    SIGNAL TRANSFORMER INC - DPC-16-260 - Transformer. 16VCT 260mA.
    Special Price $7.98 Regular Price $9.50 As low as $6.98

    SIGNAL TRANSFORMER INC - DPC-16-260 Transformer. 4.4VA.

    Primary: Dual 115VAC 50-500Hz.

    Secondary: Series 16VCT 260mA.

    Parallel 8V 520mA.

    Type: Laminated Core

    Mount: PCB 8 Pin - Through Hole.

    Voltage Isolationm: 1500 Vrms

    Dimensions: 41.30mm X 31.80mm

    Weight: 0.313 lb

    Alternate: Mouser 530-DPC-16-260,  Hammond 160F15

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  10. SIGNAL TRANSFORMER INC - ST-2-10 - 10VCT@110mA or 5V@220mA Soldered on boards
    SIGNAL TRANSFORMER INC - ST-2-10 - 10VCT@110mA or 5V@220mA Soldered on boards
    Special Price $9.98 Regular Price $14.95 As low as $8.98

    SIGNAL TRANSFORMER INC - ST-2-10 -  10VCT@110mA or 5V@220mA

    Signal’s ST and DST transformers utilize a dual cavity platform
    providing superior isolation and low capacitive coupling. Rigid pin construction for easier board insertion and higher reliability.

    Sold for the 1.1VA Split Bobbin PCmount Dual Output Transformer on the board made for Royal Streetlamps measuring 2.8" x 1.7" x1.3"tall. Has a full wave bridge and four resistors, 3 wires marked ON - C - DIM. ST-3-10 Xfmr: Pri:115V Sec:series 10VCT 110mA Out:parallel 5V 220mA. Xfmr:35x29x24mm

    ST-2-10 Specifications

    Product: Class 2 Transformers     

    Primary Voltage Rating:  115 VAC              

    Secondary Voltage Rating: 10 V CT/5 V   

    Power Rating: 1.1 VA      

    Secondary Current Rating: 110 mA/220 mA         

    Mounting Style: Through Hole   

    Primary Winding: Single Primary Winding             

    Secondary Winding: Dual Secondary Winding      

    Length:  34.9 mm             

    Width:   28.6 mm             

    Height:  24.6 mm             

    Series:   ST          

    Operating Frequency: 50 Hz/60 Hz          

    Product Type: Power Transformers

    Termination Style: Solder Pin      

    Tradename: Split/Tran   

    Type: Printed Circuit Mount Transformer

    UL, CSA, RoHS Compliant

    New

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  11. CUSTOM COIL - 29-001330-0-00A - Transformers. Secondary 45V 1Amp.
    CUSTOM COIL - 29-001330-0-00A - Transformers. Secondary 45V 1Amp.
    Special Price $9.98 Regular Price $14.50
    READY TO SHIP - ONLY 24 LEFT IN STOCK!

    CUSTOM COIL - 29-001330-0-00A Transformer. Secondary 45V 1Amp. Mount: Chassis, Open Frame, 4 wire. Dimensions: 3" long x 2-7/8" wide x 3-1/2" high.

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  12. Unidentified MFG - TN1613 - New 8-Pin PCB mount Transformer
    Unidentified MFG - TN1613 - New 8-Pin PCB mount Transformer
    Special Price $7.49 Regular Price $10.00
    New 8-Pin PCB mount TransformerNo other markings. Learn More
  13. GTE Lenkurt - 6085A - 180-56800-01 - AC Adaptor. 24VAC 50mA.
    GTE Lenkurt - 6085A - 180-56800-01 - AC Adaptor. 24VAC 50mA.
    Special Price $8.98 Regular Price $12.50 As low as $7.98
    READY TO SHIP - ONLY 28 LEFT IN STOCK!

    LGTE Lenkurt - 6085A - 180-56800-01 - AC Adaptor. 24VAC 50mA.

    Plug-in Transformer - AC Adaptor.

    Input: 120VAC 60Hz 6 watt.

    Output: 24VAC 50mA 

    Connection: Two Screw Terminal Strip Connection.

    Mounting support to secure to 120 VAC Outlet.

    Approximate Dimensions Minus Prongs: Width 1.95" X Height 2.10" X Depth 1.56"

    UL Approved (E54749)

    Applications: Commonly used Door Bells, Alarms, Thermostats and other devices requiring 24 VAC.

    Made in USA (Electromech Co. Colorado Spings)

    New Old Stock

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  14. Unidentified MFG - MCKT35000085 - Transformer, audio. 50 Ohm CT. Used.
    Unidentified MFG - MCKT35000085 - Transformer, audio. 50 Ohm CT. Used.
    $7.50
    Transformer, audio. Primary: 280 Ohm. Dual secondaries: each 50 Ohm CT. Mount: panel/chassis. Dimensions: 1" square x 1-1/3" high. Used. Learn More
  15. STANCOR - TF5S21ZZ - Transformers, Audio. 600-Ohm to 600-Ohm.
    STANCOR - TF5S21ZZ - Transformers, Audio. 600-Ohm to 600-Ohm.
    Special Price $9.98 Regular Price $14.50 As low as $7.98
    IN STOCK - MORE THAN 100 READY TO SHIP!

    STANCOR - TF5S21ZZ - PCT-78 - Transformers, Miniature Encapsiulated Audio. 600-Ohm to 600-Ohm.

    (1-2 600-OHM, 3-4 600-OHM).

    Type: SP70

    Max. Power Level @ 300Hz: 50 mW

    Turns Ratio: 1/0/1.0

    DiElectric strength: 500 Vrms

    RMS Test Voltage: 1500

    Thermal Shock 5 cucles @ -55 C to 105 C

    Response: +/- 2 db 300 Hz to 100 kHz

    Max. Distortion: 10 to25% at Rated Power

    Resistance: Pri. 70 Ohms, Sec. 95  Ohms

    Meets requirements of MIL-T-27

    Mount: PCB 4 pin Molded, Encapsulated, Green with Gold leads.

    Dimensions: Width 0.310" X Height 0.465" X Length 0.410"

    Weight: .111 Oz.

    Stancor PCT-78.

     

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  16. SIGNAL TRANSFORMER INC - DST-6-20 - Transformer. Out: 20V@1A or 10V@2A.
    SIGNAL TRANSFORMER INC - DST-6-20 - Transformer. Out: 20V@1A or 10V@2A.
    Special Price $9.98 Regular Price $12.50
    READY TO SHIP - ONLY 9 LEFT IN STOCK!

    SIGNAL TRANSFORMER INC - DST-6-20 Transformer, power.

    Dual Primary: 115/230V.

    Series output voltage @ current: 20 VAC 1Amp.

    Parallel output voltage @ current: 10 VAC 2Amp.

    Maximum power: 20VA. Mount: PCB 8 pin.

    New Old Stock

    More info: www.signaltransformer.com/sites/all/pdf/ST.pdf

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  17. SIGNAL TRANSFORMER INC - ST-3-10 - 10VCT@0.25A OR 5V@0.5A soldered on boards
    SIGNAL TRANSFORMER INC - ST-3-10 - 10VCT@0.25A OR 5V@0.5A soldered on boards
    Special Price $8.98 Regular Price $12.50 As low as $6.98

    SIGNAL TRANSFORMER INC - ST-3-10

    10VCT@0.25A OR 5V@0.5A Soldered on Printed Circuit Board

    Designed for the 2.4VA Split Bobbin PC Mount Dual Output Transformer for Royal Streetlamps

    Dimensions: 2.8" x 1.7" x1.3" Tall.

    Contains a full wave bridge and four resistors, 3 wires identified as "ON",  "C", &  "DIM".

    ST-3-10 Xfmr: Pri:115V Sec:series 10VCT 250mA

    Seconday Output: Parallel 5V 500mA.

    Transformer measures 35x29x30mm

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  18. SIGNAL TRANSFORMER INC - DST-4-28 - Transformer, power. 115/230V 28VAC/200mA.
    SIGNAL TRANSFORMER INC - DST-4-28 - Transformer, power. 115/230V 28VAC/200mA.
    Special Price $9.98 Regular Price $10.50
    READY TO SHIP - ONLY 2 LEFT IN STOCK!

    SIGNAL TRANSFORMER INC - DST-4-28 Transformer, power.

    Input 115/230V VAC Dual Primary Winding(s)

    Dual. Secondary Winding(s) 14V/200mA each [14V/400mA in parallel and 28V/200mA in series]

    Maximum Power 6 VA.

    Package: 8 pin.

    Mount: PCB.

    Rohs compliant.

    More Info: http://ww2.pulseeng.com/products/datasheets/LT2007_42.pdf

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  19. SIGNAL TRANSFORMER INC - PC-28-800 - Transformer. 24VA. 14V 1.6A or 28VCT 0.8A.
    SIGNAL TRANSFORMER INC - PC-28-800 - Transformer. 24VA. 14V 1.6A or 28VCT 0.8A.
    $9.00

    Transformer. Power: 24VA. Output: 14V 1.6Amp or 28VCT 800mA. Mount: PCB 6 Pin. Note: Maybe replaced with equal EWC PC-28-800B52.

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  20. PREM - SPW1102 - Transformer. 8V 620mA or 16VCT 310mA.
    PREM - SPW1102 - Transformer. 8V 620mA or 16VCT 310mA.
    $10.00
    Transformer, power. 5VA. Dual 115/230V. Par: 8V 620mA. Series: 16VCT 310mA. Mount: PCB. More info: http://premmagnetics.com/Power/Series/SPW-1104 Learn More
  21. PACIFIC - B27364 - Transformer. Custom.
    PACIFIC - B27364 - Transformer. Custom.
    $10.00
    Transformer. Custom. Package/Mount: PCB 8 leads. Pin spacing: 0.255". Dimensions: 1.961" long x 1.428" deep x 1.664" high. With mt centers: 2.363". Learn More
  22. MICROTRAN - PL10-28 - Transformer. 14VAC 0.72Amp.
    MICROTRAN - PL10-28 - Transformer. 14VAC 0.72Amp.
    Special Price $9.98 Regular Price $12.00

    MICROTRAN - PL10-28 -Transformer.

    Low profile.

    Dual 14VAC 0.72A, Series PL10-xx130B.

    Dual Primary 10VA.

    Secondary Winding(s)Dual

    No Center Tap Series Output Voltage @ Current 28 VAC @ 360mA

    Parallel Output Voltage @ Current 14 VAC @ 720mA

    Mount: PCB through hole.

    Lead free, rohs compliant.

    More info: http://www.tamuracorp.com/clientuploads/pdfs/engineeringdocs/PL10-XX-130B.pdf

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  23. Littlite - SF48-1201660AUW(R) - Class 2 Transformer. AC Adaptor. 12VAC 1.66A.
    Littlite - SF48-1201660AUW(R) - Class 2 Transformer. AC Adaptor. 12VAC 1.66A.
    Special Price $8.98 Regular Price $14.50 As low as $7.98

    Littlite - SF48-1201660AUW(R)

    Plug-in Transformer - AC Adaptor.

    Input: 120VAC 60Hz 40 watt.

    Output: 12VAC 1660mA. 

    Class 2 Transformer.

    Connection: Two Screw Terminals

    Mounting support to secure to 120 VAC Outlet.

    UL Approved

    Applications: commonly used Door Bells and other devises requiring 12 VAC.

    Note: Most 12VAC Adapters are rated for 1 amp or less compared this rating of 1.66 Amps (1660 mA).

    Learn More
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