Power Transformers

Use the filters and product table below to compare Power Transformers components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.

If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.

Parametric Selection Filter options by technical parameters

Stock & Datasheets Review availability and technical references

RFQ & BOM Support Send your target MPN, quantity or BOM

Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Packaging	Product Status	Type	Voltage - Primary	Voltage - Secondary (Full Load)	Current - Output (Max)	Primary Winding(s)	Secondary Winding(s)	Center Tap	Power - Max	Mounting Type	Termination Style	Size / Dimension	Height - Seated (Max)	Voltage - Isolation	Weight
ST-7-56 PWR XFMR LAMINATED 36VA TH Signal Transformer	1,755	-	RFQ	Datasheet	ST	Bulk	Active	Laminated Core	115V	Parallel 28V, Series 56V	Parallel 1.3A, Series 650mA	Single	Dual	No	36VA	Through Hole	PC Pin	66.70mm L x 55.50mm W	40.40mm	2500Vrms	1.1 lbs (499 g)
ST-5-120 PWR XFMR LAMINATED 12VA TH Signal Transformer	1,195	-	RFQ	Datasheet	ST	Bulk	Active	Laminated Core	115V	Parallel 60V, Series 120V	Parallel 200mA, Series 100mA	Single	Dual	No	12VA	Through Hole	PC Pin	47.80mm L x 39.60mm W	36.90mm	2500Vrms	0.7 lb (317.51 g)
LP-12-900 PWR XFMR SEMI-TORO 12VA TH Signal Transformer	2,063	-	RFQ	Datasheet	LP	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 6.3V, Series 12.6V	Parallel 1.8A, Series 900mA	Dual	Dual	No	12VA	Through Hole	PC Pin	63.50mm L x 50.80mm W	27.10mm	1500Vrms	0.688 lb (312.07 g)
LP-56-200 PWR XFMR SEMI-TORO 12VA TH Signal Transformer	1,538	-	RFQ	Datasheet	LP	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 28V, Series 56V	Parallel 400mA, Series 200mA	Dual	Dual	No	12VA	Through Hole	PC Pin	63.50mm L x 50.80mm W	27.10mm	1500Vrms	0.688 lb (312.07 g)
LP-120-100 PWR XFMR SEMI-TORO 12VA TH Signal Transformer	4,500	-	RFQ	Datasheet	LP	Box	Active	Semi-Toroidal	115V, 230V	Parallel 60V, Series 120V	Parallel 200mA, Series 100mA	Dual	Dual	No	12VA	Through Hole	PC Pin	63.50mm L x 50.80mm W	27.10mm	1500Vrms	0.688 lb (312.07 g)
ST-7-20 PWR XFMR LAMINATED 36VA TH Signal Transformer	1,931	-	RFQ	Datasheet	ST	Box	Active	Laminated Core	115V	Parallel 10V, Series 20V	Parallel 3.6A, Series 1.8A	Single	Dual	No	36VA	Through Hole	PC Pin	66.70mm L x 55.50mm W	40.40mm	2500Vrms	1.1 lbs (499 g)
ST-7-12 PWR XFMR LAMINATED 36VA TH Signal Transformer	1,996	-	RFQ	Datasheet	ST	Bulk	Active	Laminated Core	115V	Parallel 6.3V, Series 12.6V	Parallel 5.7A, Series 2.85A	Single	Dual	No	36VA	Through Hole	PC Pin	66.70mm L x 55.50mm W	40.40mm	2500Vrms	1.1 lbs (499 g)
ST-7-48 PWR XFMR LAMINATED 36VA TH Signal Transformer	3,188	-	RFQ	Datasheet	ST	Bulk	Active	Laminated Core	115V	Parallel 24V, Series 48V	Parallel 1.5A, Series 750mA	Single	Dual	No	36VA	Through Hole	PC Pin	66.70mm L x 55.50mm W	40.40mm	2500Vrms	1.1 lbs (499 g)
DPC-56-420 PWR XFMR LAMINATED 24VA TH Signal Transformer	4,952	-	RFQ	Datasheet	DPC	Bulk	Active	Laminated Core	115V, 230V	Parallel 28V, Series 56V	Parallel 840mA, Series 420mA	Dual	Dual	No	24VA	Through Hole	PC Pin	41.30mm L x 57.20mm W	34.93mm	1500Vrms	0.75 lb (340.19 g)
LP-10-1200 PWR XFMR SEMI-TORO 12VA TH Signal Transformer	3,121	-	RFQ	Datasheet	LP	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 5V, Series 10V	Parallel 2.4A, Series 1.2A	Dual	Dual	No	12VA	Through Hole	PC Pin	63.50mm L x 50.80mm W	27.10mm	1500Vrms	0.688 lb (312.07 g)

WINSUN SOURCING SUPPORT

Need Help Sourcing Power Transformers?

Send the target part number, manufacturer, specifications and quantity. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and alternative-part options when appropriate.

Availability and lead-time support BOM, shortage and alternative sourcing

Send part number & quantity Request a Quote

Need sourcing assistance? Contact Sales

FREQUENTLY ASKED QUESTIONS

Power Transformers FAQ

Common questions about filtering, comparing and sourcing Power Transformers components.

How can I narrow the Power Transformers selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific Power Transformers part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.