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
DPC-28-30 PWR XFMR LAMINATED 1VA TH Signal Transformer	1,861	-	RFQ	Datasheet	DPC	Bulk	Active	Laminated Core	115V, 230V	Parallel 14V, Series 28V	Parallel 60mA, Series 30mA	Dual	Dual	No	1VA	Through Hole	PC Pin	25.40mm L x 34.92mm W	21.08mm	1500Vrms	0.157 lb (71.21 g)
DPC-34-25 PWR XFMR LAMINATED 1VA TH Signal Transformer	4,370	-	RFQ	Datasheet	DPC	Bulk	Active	Laminated Core	115V, 230V	Parallel 17V, Series 34V	Parallel 50mA, Series 25mA	Dual	Dual	No	1VA	Through Hole	PC Pin	25.40mm L x 34.92mm W	21.08mm	1500Vrms	0.157 lb (71.21 g)
R8301NL PWR XFMR PLANAR 140W SMD iNRCORE, LLC	3,270	-	RFQ	Datasheet	-	Tube	Active	Planar	-	-	-	Dual	Single, Multiple Taps	No	140W	Surface Mount	Solder, Quick Connect	23.37mm L x 21.59mm W	8.60mm	1750VDC	-
241-3-120L PWR XFMR LAMINATED 2.4VA CHAS MT Signal Transformer	2,238	-	RFQ	Datasheet	Two-4-One™	Bulk	Active	Laminated Core	115V	120V	20mA	Single	Single	Yes	2.4VA	Chassis Mount	Wire Leads	52.60mm L x 29.60mm W	31.20mm	2500Vrms	0.25 lb (113.4 g)
R8301NLT PWR XFMR PLANAR 140W SMD iNRCORE, LLC	4,382	-	RFQ	Datasheet	-	Tape & Reel (TR)	Active	Planar	-	-	-	Dual	Single, Multiple Taps	No	140W	Surface Mount	Solder, Quick Connect	23.37mm L x 21.59mm W	8.60mm	1750VDC	-
DPC-40-110 PWR XFMR LAMINATED 4.4VA TH Signal Transformer	2,196	-	RFQ	Datasheet	DPC	Box	Active	Laminated Core	115V, 230V	Parallel 20V, Series 40V	Parallel 220mA, Series 110mA	Dual	Dual	No	4.4VA	Through Hole	PC Pin	41.30mm L x 31.80mm W	34.92mm	1500Vrms	0.313 lb (141.97 g)
3FL16-350 PWR XFMR LAMINATED 6VA TH Tamura	4,836	-	RFQ	Datasheet	3FL	Bulk	Active	Laminated Core	115V, 230V	Parallel 8V, Series 16V	Parallel 700mA, Series 350mA	Dual	Dual	No	6VA	Through Hole	PC Pin	47.60mm L x 39.60mm W	21.60mm	1500Vrms	-
3FL120-50 TRANSFORMER LOW PRO 60VAC .1A Tamura	4,591	-	RFQ	Datasheet	3FL	Bulk	Active	Laminated Core	115V, 230V	Parallel 60V, Series 120V	Parallel 100mA, Series 50mA	Dual	Dual	No	6VA	Through Hole	PC Pin	-	-	1500Vrms	-
3FL56-100 TRANSFORMER LOW PRO 28VAC .2A Tamura	3,446	-	RFQ	Datasheet	3FL	Bulk	Active	Laminated Core	115V, 230V	Parallel 28V, Series 56V	Parallel 200mA, Series 100mA	Dual	Dual	No	6VA	Through Hole	PC Pin	-	-	1500Vrms	-
PC-40-110 PWR XFMR LAMINATED 4.4VA TH Signal Transformer	2,459	-	RFQ	Datasheet	PC	Box	Active	Laminated Core	115V	Parallel 20V, Series 40V	Parallel 220mA, Series 110mA	Single	Dual	No	4.4VA	Through Hole	PC Pin	41.30mm L x 31.80mm W	34.92mm	1500Vrms	0.313 lb (141.97 g)
DPC-28-160 PWR XFMR LAMINATED 4.4VA TH Signal Transformer	4,955	-	RFQ	Datasheet	DPC	Box	Active	Laminated Core	115V, 230V	Parallel 14V, Series 28V	Parallel 320mA, Series 160mA	Dual	Dual	No	4.4VA	Through Hole	PC Pin	41.30mm L x 31.80mm W	34.92mm	1500Vrms	0.313 lb (141.97 g)
241-5-20 PWR XFMR LAMINATED 12VA CHAS MT Signal Transformer	4,401	-	RFQ	Datasheet	Two-4-One™	Box	Active	Laminated Core	115V	20V	600mA	Single	Single	Yes	12VA	Chassis Mount	Solder, Quick Connect	71.40mm L x 36.30mm W	42.80mm	2500Vrms	0.7 lb (317.51 g)
DST-3-56 PWR XFMR LAMINATED 2.4VA TH Signal Transformer	2,141	-	RFQ	Datasheet	DST	Bulk	Active	Laminated Core	115V, 230V	Parallel 28V, Series 56V	Parallel 90mA, Series 45mA	Dual	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-4-120 PWR XFMR LAMINATED 6VA TH Signal Transformer	4,504	-	RFQ	Datasheet	ST	Bulk	Active	Laminated Core	115V	Parallel 60V, Series 120V	Parallel 100mA, Series 50mA	Single	Dual	No	6VA	Through Hole	PC Pin	41.30mm L x 33.30mm W	33.30mm	2500Vrms	0.44 lb (199.58 g)
CTX01-18840-R PWR XFMR FLYBACK 127UH 25W Eaton - Electronics Division	3,095	-	RFQ	Datasheet	-	Bulk	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-	-
241-5-28 PWR XFMR LAMINATED 12VA CHAS MT Signal Transformer	4,962	-	RFQ	Datasheet	Two-4-One™	Box	Active	Laminated Core	115V	28V	420mA	Single	Single	Yes	12VA	Chassis Mount	Solder, Quick Connect	71.40mm L x 36.30mm W	42.80mm	2500Vrms	0.7 lb (317.51 g)
F-3112X PWR XFMR LAMINATED 3.5VA CHAS MT Triad Magnetics	2,528	-	RFQ	Datasheet	Single Secondary	Box	Active	Laminated Core	115V, 230V	14V	250mA	Dual	Single	Yes	3.5VA	Chassis Mount	Wire Leads	60.33mm L x 38.10mm W	34.93mm	1500Vrms	0.3 lb (136.08 g)
F-142XP PWR XFMR LAMINATED 4.5VA CHAS MT Triad Magnetics	4,755	-	RFQ	Datasheet	Single Primary	Box	Active	Laminated Core	115V	Parallel 7.5V, Series 15V	Parallel 600mA, Series 300mA	Single	Dual	No	4.5VA	Chassis Mount	Wire Leads	60.32mm L x 31.75mm W	36.50mm	1500Vrms	0.469 lb (212.73 g)
F-144XP PWR XFMR LAMINATED 4.5VA CHAS MT Triad Magnetics	3,191	-	RFQ	Datasheet	Single Primary	Box	Active	Laminated Core	115V	Parallel 27V, Series 54V	Parallel 168mA, Series 84mA	Single	Dual	No	4.5VA	Chassis Mount	PC Pin	60.32mm L x 31.75mm W	36.50mm	1500Vrms	0.469 lb (212.73 g)
F-148XP PWR XFMR LAMINATED 4.5VA CHAS MT Triad Magnetics	4,689	-	RFQ	Datasheet	Single Primary	Box	Active	Laminated Core	115V	Parallel 12.6V, Series 25.2V	Parallel 356mA, Series 178mA	Single	Dual	No	4.5VA	Chassis Mount	PC Pin	60.32mm L x 31.75mm W	36.50mm	1500Vrms	0.469 lb (212.73 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.