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.

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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
IF-24-30 PWR XFMR SEMI-TORO 24VA TH Signal Transformer	1,401	-	RFQ	Datasheet	IF	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 15V, Series 30V	Parallel 1.6A, Series 800mA	Dual	Dual	No	24VA	Through Hole	PC Pin	68.00mm L x 57.50mm W	31.30mm	4000Vrms	1.03 lbs (467.2 g)
IF-24-40 PWR XFMR SEMI-TORO 24VA TH Signal Transformer	2,633	-	RFQ	Datasheet	IF	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 20V, Series 40V	Parallel 1.2A, Series 600mA	Dual	Dual	No	24VA	Through Hole	PC Pin	68.00mm L x 57.50mm W	31.30mm	4000Vrms	1.03 lbs (467.2 g)
IF-24-56 PWR XFMR SEMI-TORO 24VA TH Signal Transformer	3,965	-	RFQ	Datasheet	IF	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 28V, Series 56V	Parallel 860mA, Series 430mA	Dual	Dual	No	24VA	Through Hole	PC Pin	68.00mm L x 57.50mm W	31.30mm	4000Vrms	1.03 lbs (467.2 g)
56-320-LPI PWR XFMR SEMI-TORO 18VA TH Signal Transformer	2,926	-	RFQ	Datasheet	LPI	Box	Active	Semi-Toroidal	115V, 230V	Parallel 28V, Series 56V	Parallel 640mA, Series 320mA	Dual	Dual	No	18VA	Through Hole	PC Pin	66.80mm L x 55.60mm W	30.00mm	4000Vrms	0.95 lb (430.91 g)
230-75-LPI PWR XFMR SEMI-TORO 18VA TH Signal Transformer	2,890	-	RFQ	Datasheet	LPI	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 115V, Series 230V	Parallel 150mA, Series 75mA	Dual	Dual	No	18VA	Through Hole	PC Pin	66.80mm L x 55.60mm W	30.00mm	4000Vrms	0.95 lb (430.91 g)
10-1800-LPI PWR XFMR SEMI-TORO 18VA TH Signal Transformer	4,867	-	RFQ	Datasheet	LPI	Box	Active	Semi-Toroidal	115V, 230V	Parallel 5V, Series 10V	Parallel 3.6A, Series 1.8A	Dual	Dual	No	18VA	Through Hole	PC Pin	66.80mm L x 55.60mm W	30.00mm	4000Vrms	0.95 lb (430.91 g)
IF-18-40 PWR XFMR SEMI-TORO 18VA TH Signal Transformer	1,304	-	RFQ	Datasheet	IF	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 20V, Series 40V	Parallel 900mA, Series 450mA	Dual	Dual	No	18VA	Through Hole	PC Pin	67.60mm L x 57.00mm W	27.60mm	4000Vrms	0.882 lb (400.07 g)
IF-14-230 PWR XFMR SEMI-TORO 14VA TH Signal Transformer	2,920	-	RFQ	Datasheet	IF	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 115V, Series 230V	Parallel 120mA, Series 60mA	Dual	Dual	No	14VA	Through Hole	PC Pin	67.60mm L x 57.00mm W	24.30mm	4000Vrms	0.75 lb (340.19 g)
IF-14-40 PWR XFMR SEMI-TORO 14VA TH Signal Transformer	3,107	-	RFQ	Datasheet	IF	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 20V, Series 40V	Parallel 700mA, Series 350mA	Dual	Dual	No	14VA	Through Hole	PC Pin	67.60mm L x 57.00mm W	24.30mm	4000Vrms	0.75 lb (340.19 g)
12-1500-LPI PWR XFMR SEMI-TORO 18VA TH Signal Transformer	4,850	-	RFQ	Datasheet	LPI	Box	Active	Semi-Toroidal	115V, 230V	Parallel 6.3V, Series 12.6V	Parallel 3A, Series 1.5A	Dual	Dual	No	18VA	Through Hole	PC Pin	66.80mm L x 55.60mm W	30.00mm	4000Vrms	0.95 lb (430.91 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.