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-18-10 PWR XFMR SEMI-TORO 18VA TH Signal Transformer	2,913	-	RFQ	Datasheet	IF	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 5V, Series 10V	Parallel 3.6A, Series 1.8A	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-18-12 PWR XFMR SEMI-TORO 18VA TH Signal Transformer	2,554	-	RFQ	Datasheet	IF	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 6V, Series 12V	Parallel 3A, Series 1.5A	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-18-16 PWR XFMR SEMI-TORO 18VA TH Signal Transformer	3,035	-	RFQ	Datasheet	IF	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 8V, Series 16V	Parallel 2.3A, Series 1.15A	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-18-20 PWR XFMR SEMI-TORO 18VA TH Signal Transformer	2,511	-	RFQ	Datasheet	IF	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 10V, Series 20V	Parallel 1.8A, Series 900mA	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-18-24 PWR XFMR SEMI-TORO 18VA TH Signal Transformer	2,450	-	RFQ	Datasheet	IF	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 12V, Series 24V	Parallel 1.5A, Series 750mA	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-18-30 PWR XFMR SEMI-TORO 18VA TH Signal Transformer	3,718	-	RFQ	Datasheet	IF	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 15V, Series 30V	Parallel 1.2A, Series 600mA	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-18-56 PWR XFMR SEMI-TORO 18VA TH Signal Transformer	2,239	-	RFQ	Datasheet	IF	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 28V, Series 56V	Parallel 640mA, Series 320mA	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-14-20 PWR XFMR SEMI-TORO 14VA TH Signal Transformer	3,042	-	RFQ	Datasheet	IF	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 10V, Series 20V	Parallel 1.4A, Series 700mA	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-14-16 PWR XFMR SEMI-TORO 14VA TH Signal Transformer	3,493	-	RFQ	Datasheet	IF	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 8V, Series 16V	Parallel 1.75A, Series 875mA	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-14-34 PWR XFMR SEMI-TORO 14VA TH Signal Transformer	3,342	-	RFQ	Datasheet	IF	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 17V, Series 34V	Parallel 830mA, Series 415mA	Dual	Dual	No	14VA	Through Hole	PC Pin	67.60mm L x 57.00mm W	24.30mm	4000Vrms	0.75 lb (340.19 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.