Power Transformers

Browse available Power Transformers part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.

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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)
183J20 PWR XFMR LAMINATED 30VA TH Hammond Manufacturing	1,231	-	RFQ	Datasheet	183	Bulk	Active	Laminated Core	115V, 230V	Parallel 10V, Series 20V	Parallel 3A, Series 1.5A	Dual	Dual	No	30VA	Through Hole	PC Pin	66.68mm L x 55.55mm W	39.70mm	4000Vrms	1.2 lbs (544.3 g)
IF-14-10 PWR XFMR SEMI-TORO 14VA TH Signal Transformer	3,130	-	RFQ	Datasheet	IF	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 5V, Series 10V	Parallel 2.8A, Series 1.4A	Dual	Dual	No	14VA	Through Hole	PC Pin	67.60mm L x 57.00mm W	24.30mm	4000Vrms	0.75 lb (340.19 g)
230-50-LPI PWR XFMR SEMI-TORO 12VA TH Signal Transformer	2,957	-	RFQ	Datasheet	LPI	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 115V, Series 230V	Parallel 100mA, Series 50mA	Dual	Dual	No	12VA	Through Hole	PC Pin	66.80mm L x 55.60mm W	26.60mm	4000Vrms	0.75 lb (340.19 g)
62043 PWR XFMR TOROIDAL 10VA CHAS MT Talema Group LLC	4,396	-	RFQ	Datasheet	Standard Mini	Tray	Active	Toroidal	115V, 230V	Parallel 15V, Series 30V	Parallel 666mA, Series 333mA	Dual	Dual	No	10VA	Chassis Mount	Wire Leads	-	-	4000Vrms	0.477 lb (216.36 g)
F-355X PWR XFMR LAMINATED 45.6VA CHAS Triad Magnetics	4,109	-	RFQ	Datasheet	Single Secondary	Box	Active	Laminated Core	115V, 230V	26.8V	1.7A	Dual	Single	Yes	45.6VA	Chassis Mount	Wire Leads	101.60mm L x 57.15mm W	65.86mm	1500Vrms	2.3 lbs (1 kg)
20-900-LPI PWR XFMR SEMI-TORO 18VA TH Signal Transformer	2,358	-	RFQ	Datasheet	LPI	Box	Active	Semi-Toroidal	115V, 230V	Parallel 10V, Series 20V	Parallel 1.8A, Series 900mA	Dual	Dual	No	18VA	Through Hole	PC Pin	66.80mm L x 55.60mm W	30.00mm	4000Vrms	0.95 lb (430.91 g)
30-600-LPI PWR XFMR SEMI-TORO 18VA TH Signal Transformer	2,464	-	RFQ	Datasheet	LPI	Box	Active	Semi-Toroidal	115V, 230V	Parallel 15V, Series 30V	Parallel 1.2A, Series 600mA	Dual	Dual	No	18VA	Through Hole	PC Pin	66.80mm L x 55.60mm W	30.00mm	4000Vrms	0.95 lb (430.91 g)
24-750-LPI PWR XFMR SEMI-TORO 18VA TH Signal Transformer	4,246	-	RFQ	Datasheet	LPI	Box	Active	Semi-Toroidal	115V, 230V	Parallel 12V, Series 24V	Parallel 1.5A, Series 750mA	Dual	Dual	No	18VA	Through Hole	PC Pin	66.80mm L x 55.60mm W	30.00mm	4000Vrms	0.95 lb (430.91 g)
6K212HF Tools/Equipment/Hardware Hammond Manufacturing	4,839	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-
IF-24-10 PWR XFMR SEMI-TORO 24VA TH Signal Transformer	2,456	-	RFQ	Datasheet	IF	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 5V, Series 10V	Parallel 4.8A, Series 2.4A	Dual	Dual	No	24VA	Through Hole	PC Pin	68.00mm L x 57.50mm W	31.30mm	4000Vrms	1.03 lbs (467.2 g)

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Power Transformers FAQ

Common questions about selecting, comparing and sourcing Power Transformers components through Winsun (HK) Electronics.

What should I check when selecting Power Transformers components?

Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.

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Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.

Do you support shortage, obsolete or hard-to-find Power Transformers parts?

Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

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Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.