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
BH-0100B INDUSTRIAL CONTROL TRANSFORMER Signal Transformer	1,146	-	RFQ	Datasheet	BH	Bulk	Active	-	220V, 230V, 240V, 440V, 460V, 480V	120V, 115V, 110V	-	Dual	Single	No	100VA	Chassis Mount	Terminal Block	98.43mm L x 85.73mm W	88.90mm	-	-
BH-0100BFB INDUSTRIAL CONTROL TRANSFORMER Signal Transformer	3,094	-	RFQ	Datasheet	BH	Bulk	Active	-	220V, 230V, 240V, 440V, 460V, 480V	120V, 115V, 110V	-	Dual	Single	No	100VA	Chassis Mount	Terminal Block	98.43mm L x 85.73mm W	88.90mm	-	-
ST-2-20 PWR XFMR LAMINATED 1.1VA TH Signal Transformer	1,818	-	RFQ	Datasheet	ST	Box	Active	Laminated Core	115V	Parallel 10V, Series 20V	Parallel 110mA, Series 55mA	Single	Dual	No	1.1VA	Through Hole	PC Pin	34.90mm L x 28.60mm W	24.60mm	2500Vrms	0.17 lb (77.11 g)
ST-2-36 PWR XFMR LAMINATED 1.1VA TH Signal Transformer	2,885	-	RFQ	Datasheet	ST	Box	Active	Laminated Core	115V	Parallel 18V, Series 36V	Parallel 60mA, Series 30mA	Single	Dual	No	1.1VA	Through Hole	PC Pin	34.90mm L x 28.60mm W	24.60mm	2500Vrms	0.17 lb (77.11 g)
ST-2-120 PWR XFMR LAMINATED 1.1VA TH Signal Transformer	3,973	-	RFQ	Datasheet	ST	Bulk	Active	Laminated Core	115V	Parallel 60V, Series 120V	Parallel 20mA, Series 10mA	Single	Dual	No	1.1VA	Through Hole	PC Pin	34.90mm L x 28.60mm W	24.60mm	2500Vrms	0.17 lb (77.11 g)
ST-3-20 PWR XFMR LAMINATED 2.4VA TH Signal Transformer	2,125	-	RFQ	Datasheet	ST	Box	Active	Laminated Core	115V	Parallel 10V, Series 20V	Parallel 240mA, Series 120mA	Single	Dual	No	2.4VA	Through Hole	PC Pin	34.90mm L x 28.60mm W	30.80mm	2500Vrms	0.25 lb (113.4 g)
ST-3-56 PWR XFMR LAMINATED 2.4VA TH Signal Transformer	2,999	-	RFQ	Datasheet	ST	Bulk	Active	Laminated Core	115V	Parallel 28V, Series 56V	Parallel 90mA, Series 45mA	Single	Dual	No	2.4VA	Through Hole	PC Pin	34.90mm L x 28.60mm W	30.80mm	2500Vrms	0.25 lb (113.4 g)
PC-16-75 PWR XFMR LAMINATED 1.2VA TH Signal Transformer	1,973	-	RFQ	Datasheet	PC	Box	Active	Laminated Core	115V	Parallel 8V, Series 16V	Parallel 150mA, Series 75mA	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)
PC-56-20 PWR XFMR LAMINATED 1.2VA TH Signal Transformer	4,987	-	RFQ	Datasheet	PC	Bulk	Active	Laminated Core	115V	Parallel 28V, Series 56V	Parallel 40mA, Series 20mA	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)
DPC-20-60 PWR XFMR LAMINATED 1.2VA TH Signal Transformer	4,806	-	RFQ	Datasheet	DPC	Box	Active	Laminated Core	115V, 230V	Parallel 10V, Series 20V	Parallel 120mA, Series 60mA	Dual	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.