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.

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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
LP-56-100 PWR XFMR SEMI-TORO 6VA TH Signal Transformer	4,815	-	RFQ	Datasheet	LP	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 28V, Series 56V	Parallel 200mA, Series 100mA	Dual	Dual	No	6VA	Through Hole	PC Pin	47.50mm L x 39.60mm W	21.60mm	1500Vrms	0.438 lb (198.67 g)
DPC-28-360 PWR XFMR LAMINATED 10VA TH Signal Transformer	2,003	-	RFQ	Datasheet	DPC	Box	Active	Laminated Core	115V, 230V	Parallel 14V, Series 28V	Parallel 720mA, Series 360mA	Dual	Dual	No	10VA	Through Hole	PC Pin	47.60mm L x 36.50mm W	41.27mm	1500Vrms	0.563 lb (255.37 g)
LP-230-25 PWR XFMR SEMI-TORO 6VA TH Signal Transformer	3,375	-	RFQ	Datasheet	LP	Box	Active	Semi-Toroidal	115V, 230V	Parallel 115V, Series 230V	Parallel 50mA, Series 25mA	Dual	Dual	No	6VA	Through Hole	PC Pin	47.50mm L x 39.60mm W	21.60mm	1500Vrms	0.438 lb (198.67 g)
ST-6-28 PWR XFMR LAMINATED 20VA TH Signal Transformer	1,869	-	RFQ	Datasheet	ST	Box	Active	Laminated Core	115V	Parallel 14V, Series 28V	Parallel 1.4A, Series 700mA	Single	Dual	No	20VA	Through Hole	PC Pin	57.20mm L x 47.60mm W	36.90mm	2500Vrms	0.8 lb (362.87 g)
ST-6-10 PWR XFMR LAMINATED 20VA TH Signal Transformer	2,221	-	RFQ	Datasheet	ST	Bulk	Active	Laminated Core	115V	Parallel 5V, Series 10V	Parallel 4A, Series 2A	Single	Dual	No	20VA	Through Hole	PC Pin	57.20mm L x 47.60mm W	36.90mm	2500Vrms	0.8 lb (362.87 g)
PC-40-20 PWR XFMR LAMINATED 1VA TH Signal Transformer	4,498	-	RFQ	Datasheet	PC	Bulk	Active	Laminated Core	115V	Parallel 20V, Series 40V	Parallel 40mA, Series 20mA	Single	Dual	No	1VA	Through Hole	PC Pin	25.40mm L x 34.92mm W	21.08mm	1500Vrms	0.157 lb (71.21 g)
241-5-120L PWR XFMR LAMINATED 12VA CHAS MT Signal Transformer	2,825	-	RFQ	Datasheet	Two-4-One™	Bulk	Active	Laminated Core	115V	120V	100mA	Single	Single	Yes	12VA	Chassis Mount	Wire Leads	71.40mm L x 36.30mm W	42.80mm	2500Vrms	0.7 lb (317.51 g)
241-4-120L PWR XFMR LAMINATED 6VA CHAS MT Signal Transformer	2,186	-	RFQ	Datasheet	Two-4-One™	Bulk	Active	Laminated Core	115V	120V	50mA	Single	Single	Yes	6VA	Chassis Mount	Wire Leads	60.30mm L x 33.30mm W	36.20mm	2500Vrms	0.44 lb (199.58 g)
ST-6-48 PWR XFMR LAMINATED 20VA TH Signal Transformer	4,527	-	RFQ	Datasheet	ST	Bulk	Active	Laminated Core	115V	Parallel 24V, Series 48V	Parallel 800mA, Series 400mA	Single	Dual	No	20VA	Through Hole	PC Pin	57.20mm L x 47.60mm W	36.90mm	2500Vrms	0.8 lb (362.87 g)
PC-120-10 PWR XFMR LAMINATED 1.2VA TH Signal Transformer	3,078	-	RFQ	Datasheet	PC	Bulk	Active	Laminated Core	115V	Parallel 60V, Series 120V	Parallel 20mA, Series 10mA	Single	Dual	No	1.2VA	Through Hole	PC Pin	34.90mm L x 28.60mm W	30.15mm	1500Vrms	0.188 lb (85.28 g)

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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.