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-10-2400 PWR XFMR SEMI-TORO 24VA TH Signal Transformer	4,997	-	RFQ	Datasheet	LP	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 5V, Series 10V	Parallel 4.8A, Series 2.4A	Dual	Dual	No	24VA	Through Hole	PC Pin	72.90mm L x 57.20mm W	31.80mm	1500Vrms	0.938 lb (425.47 g)
ST-7-28 PWR XFMR LAMINATED 36VA TH Signal Transformer	4,213	-	RFQ	Datasheet	ST	Box	Active	Laminated Core	115V	Parallel 14V, Series 28V	Parallel 2.6A, Series 1.3A	Single	Dual	No	36VA	Through Hole	PC Pin	66.70mm L x 55.50mm W	40.40mm	2500Vrms	1.1 lbs (499 g)
DST-7-56 PWR XFMR LAMINATED 36VA TH Signal Transformer	4,203	-	RFQ	Datasheet	DST	Bulk	Active	Laminated Core	115V, 230V	Parallel 28V, Series 56V	Parallel 1.3A, Series 650mA	Dual	Dual	No	36VA	Through Hole	PC Pin	66.70mm L x 55.50mm W	40.40mm	2500Vrms	1.1 lbs (499 g)
DST-7-48 PWR XFMR LAMINATED 36VA TH Signal Transformer	2,018	-	RFQ	Datasheet	DST	Bulk	Active	Laminated Core	115V, 230V	Parallel 24V, Series 48V	Parallel 1.5A, Series 750mA	Dual	Dual	No	36VA	Through Hole	PC Pin	66.70mm L x 55.50mm W	40.40mm	2500Vrms	1.1 lbs (499 g)
230-40-LPI PWR XFMR SEMI-TORO 9VA TH Signal Transformer	2,474	-	RFQ	Datasheet	LPI	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 115V, Series 230V	Parallel 80mA, Series 40mA	Dual	Dual	No	9VA	Through Hole	PC Pin	60.20mm L x 42.10mm W	27.40mm	4000Vrms	0.51 lb (231.33 g)
DPC-120-8 PWR XFMR LAMINATED 1VA TH Signal Transformer	3,758	-	RFQ	Datasheet	DPC	Bulk	Active	Laminated Core	115V, 230V	Parallel 60V, Series 120V	Parallel 16mA, Series 8mA	Dual	Dual	No	1VA	Through Hole	PC Pin	25.40mm L x 34.92mm W	21.08mm	1500Vrms	0.157 lb (71.21 g)
30-300-LPI PWR XFMR SEMI-TORO 9VA TH Signal Transformer	1,525	-	RFQ	Datasheet	LPI	Box	Active	Semi-Toroidal	115V, 230V	Parallel 15V, Series 30V	Parallel 600mA, Series 300mA	Dual	Dual	No	9VA	Through Hole	PC Pin	60.20mm L x 42.10mm W	27.40mm	4000Vrms	0.51 lb (231.33 g)
IF-4-20 PWR XFMR SEMI-TORO 4VA TH Signal Transformer	4,883	-	RFQ	Datasheet	IF	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 10V, Series 20V	Parallel 400mA, Series 200mA	Dual	Dual	No	4VA	Through Hole	PC Pin	53.00mm L x 44.00mm W	19.60mm	4000Vrms	0.34 lb (154.22 g)
DMPC-Y-12 PWR XFMR LAMINATED 24VA TH Signal Transformer	3,397	-	RFQ	Datasheet	DMPC	Bulk	Active	Laminated Core	115V, 230V	Parallel 5V, Series 12V	Parallel 835mA, Series 150mA	Dual	Dual	Yes	24VA	Through Hole	PC Pin	41.30mm L x 57.20mm W	34.90mm	1500Vrms	0.75 lb (340.19 g)
A41-43-12 PWR XFMR LAMINATED 43VA CHAS MT Signal Transformer	4,709	-	RFQ	Datasheet	All-4-One™	Box	Active	Laminated Core	115V, 230V	Parallel 6.3V, Series 12.6V	Parallel 6.8A, Series 3.4A	Dual	Dual	No	43VA	Chassis Mount	Solder, Quick Connect	79.40mm L x 54.40mm W	68.20mm	4000Vrms	1.6 lbs (725.7 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.