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
DST5-28B23 PWR XFMR LAMINATED 12VA TH Pulse Electronics	1,372	-	RFQ	Datasheet	Split Bobbin Plug-In	Bulk	Active	Laminated Core	115V, 230V	Parallel 14V, Series 28V	Parallel 840mA, Series 420mA	Dual	Dual	No	12VA	Through Hole	PC Pin	47.24mm L x 39.62mm W	36.58mm	2500Vrms	0.7 lb (317.51 g)
PC-10-90B53 PWR XFMR LAMINATED 1VA TH Pulse Electronics	3,992	-	RFQ	Datasheet	PC Plug-In	Bulk	Active	Laminated Core	115V	Parallel 5V, Series 10V	Parallel 180mA, Series 90mA	Single	Dual	No	1VA	Through Hole	PC Pin	25.40mm L x 34.93mm W	21.08mm	1500Vrms	0.157 lb (71.21 g)
ST6-10B4 PWR XFMR LAMINATED 20VA TH Pulse Electronics	2,843	-	RFQ	Datasheet	Split Bobbin Plug-In	Bulk	Active	Laminated Core	115V	Parallel 5V, Series 10V	Parallel 4A, Series 2A	Single	Dual	No	20VA	Through Hole	PC Pin	57.15mm L x 47.24mm W	36.58mm	2500Vrms	0.8 lb (362.87 g)
ST6-20B16 PWR XFMR LAMINATED 20VA TH Pulse Electronics	1,242	-	RFQ	Datasheet	Split Bobbin Plug-In	Bulk	Active	Laminated Core	115V	Parallel 10V, Series 20V	Parallel 2A, Series 1A	Single	Dual	No	20VA	Through Hole	PC Pin	57.15mm L x 47.24mm W	36.58mm	2500Vrms	0.8 lb (362.87 g)
DPC-24-1000B20 PWR XFMR LAMINATED 24VA TH Pulse Electronics	4,680	-	RFQ	Datasheet	PC Plug-In	Bulk	Obsolete	Laminated Core	115V, 230V	Parallel 12V, Series 24V	Parallel 2A, Series 1A	Dual	Dual	No	24VA	Through Hole	PC Pin	41.28mm L x 57.15mm W	34.93mm	1500Vrms	0.75 lb (340.19 g)
A41-130-28A34 PWR XFMR LAMINATED 130VA CHAS MT Pulse Electronics	2,674	-	RFQ	Datasheet	International High Power	Bulk	Obsolete	Laminated Core	115V, 230V	Parallel 14V, Series 28V	Parallel 9.2A, Series 4.6A	Dual	Dual	No	130VA	Chassis Mount	Solder, Quick Connect	71.42mm L x 85.85mm W	73.02mm	-	4.1 lbs (1.9 kg)
DP241-5-20A24 PWR XFMR LAMINATED 12VA CHAS MT Pulse Electronics	2,333	-	RFQ	Datasheet	Chassis-Tran	Bulk	Active	Laminated Core	115V, 230V	20V	600mA	Dual	Single	Yes	12VA	Chassis Mount	Solder, Quick Connect	71.37mm L x 41.40mm W	35.05mm	2500Vrms	0.7 lb (317.51 g)
DP241-5-24A25 PWR XFMR LAMINATED 12VA CHAS MT Pulse Electronics	2,641	-	RFQ	Datasheet	Chassis-Tran	Bulk	Active	Laminated Core	115V, 230V	24V	500mA	Dual	Single	Yes	12VA	Chassis Mount	Solder, Quick Connect	71.37mm L x 41.40mm W	35.05mm	2500Vrms	0.7 lb (317.51 g)
14A-2.5-10B1 PWR XFMR LAMINATED 2.5VA TH Pulse Electronics	1,209	-	RFQ	Datasheet	International PC Plug-In	Bulk	Active	Laminated Core	115V, 230V	Parallel 5V, Series 10V	Parallel 500mA, Series 250mA	Dual	Single, Multiple Taps	No	2.5VA	Through Hole	PC Pin	41.28mm L x 33.32mm W	28.58mm	-	0.25 lb (113.4 g)
14A-20-20B22 PWR XFMR LAMINATED 20VA TH Pulse Electronics	1,121	-	RFQ	Datasheet	International PC Plug-In	Bulk	Active	Laminated Core	115V, 230V	Parallel 10V, Series 20V	Parallel 2A, Series 1A	Dual	Single, Multiple Taps	No	20VA	Through Hole	PC Pin	57.15mm L x 47.63mm W	41.28mm	-	0.9 lb (408.23 g)
14A-20-10B4 PWR XFMR LAMINATED 20VA TH Pulse Electronics	4,978	-	RFQ	Datasheet	International PC Plug-In	Bulk	Active	Laminated Core	115V, 230V	Parallel 5V, Series 10V	Parallel 4A, Series 2A	Dual	Single, Multiple Taps	No	20VA	Through Hole	PC Pin	57.15mm L x 47.63mm W	41.28mm	-	0.9 lb (408.23 g)
DPC-20-1200B16 PWR XFMR LAMINATED 24VA TH Pulse Electronics	4,529	-	RFQ	Datasheet	PC Plug-In	Bulk	Active	Laminated Core	115V, 230V	Parallel 10V, Series 20V	Parallel 2.4A, Series 1.2A	Dual	Dual	No	24VA	Through Hole	PC Pin	41.28mm L x 57.15mm W	34.93mm	1500Vrms	0.75 lb (340.19 g)
DPC-16-1500B12 PWR XFMR LAMINATED 24VA TH Pulse Electronics	2,711	-	RFQ	Datasheet	PC Plug-In	Bulk	Active	Laminated Core	115V, 230V	Parallel 8V, Series 16V	Parallel 3A, Series 1.5A	Dual	Dual	No	24VA	Through Hole	PC Pin	41.28mm L x 57.15mm W	34.93mm	1500Vrms	0.75 lb (340.19 g)
DP241-5-36A27 PWR XFMR LAMINATED 12VA CHAS MT Pulse Electronics	2,969	-	RFQ	Datasheet	Chassis-Tran	Bulk	Active	Laminated Core	115V, 230V	36V	350mA	Dual	Single	Yes	12VA	Chassis Mount	Solder, Quick Connect	71.37mm L x 41.40mm W	35.05mm	2500Vrms	0.7 lb (317.51 g)
ST5-28B23 PWR XFMR LAMINATED 12VA TH Pulse Electronics	1,712	-	RFQ	Datasheet	Split Bobbin Plug-In	Bulk	Active	Laminated Core	115V	Parallel 14V, Series 28V	Parallel 840mA, Series 420mA	Single	Dual	No	12VA	Through Hole	PC Pin	47.24mm L x 39.62mm W	36.58mm	2500Vrms	0.7 lb (317.51 g)
ST4-36B26 PWR XFMR LAMINATED 6VA TH Pulse Electronics	2,652	-	RFQ	Datasheet	Split Bobbin Plug-In	Bulk	Active	Laminated Core	115V	Parallel 18V, Series 36V	Parallel 340mA, Series 170mA	Single	Dual	No	6VA	Through Hole	PC Pin	41.40mm L x 33.27mm W	33.27mm	2500Vrms	0.44 lb (199.58 g)
14A-2.5-36B37 PWR XFMR LAMINATED 2.5VA TH Pulse Electronics	3,125	-	RFQ	Datasheet	International PC Plug-In	Bulk	Obsolete	Laminated Core	115V, 230V	Parallel 18V, Series 36V	Parallel 140mA, Series 70mA	Dual	Single, Multiple Taps	No	2.5VA	Through Hole	PC Pin	41.28mm L x 33.32mm W	28.58mm	-	0.25 lb (113.4 g)
14A-2.5-24B25 PWR XFMR LAMINATED 2.5VA TH Pulse Electronics	2,668	-	RFQ	Datasheet	International PC Plug-In	Bulk	Active	Laminated Core	115V, 230V	Parallel 12V, Series 24V	Parallel 200mA, Series 100mA	Dual	Single, Multiple Taps	No	2.5VA	Through Hole	PC Pin	41.28mm L x 33.32mm W	28.58mm	-	0.25 lb (113.4 g)
ST5-56B35 PWR XFMR LAMINATED 12VA TH Pulse Electronics	2,969	-	RFQ	Datasheet	Split Bobbin Plug-In	Bulk	Active	Laminated Core	115V	Parallel 28V, Series 56V	Parallel 440mA, Series 220mA	Single	Dual	No	12VA	Through Hole	PC Pin	47.24mm L x 39.62mm W	36.58mm	2500Vrms	0.7 lb (317.51 g)
BV042-5216.0 PWR XFMR LAMINATED 5VA TH Pulse Electronics	1,839	-	RFQ	Datasheet	-	Tray	Obsolete	Laminated Core	230V	Parallel 12V, Series 24V	Parallel 416mA, Series 208mA	Single	Dual	No	5VA	Through Hole	PC Pin	45.50mm L x 38.50mm W	32.00mm	-	0.133 lb (60.33 g)

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FREQUENTLY ASKED QUESTIONS

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.

Can Winsun help source specific Power Transformers part numbers?

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.