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
162G28 PWR XFMR LAMINATED 12VA TH Hammond Manufacturing	2,171	-	RFQ	Datasheet	162	Bulk	Active	Laminated Core	115V, 230V	Parallel 14V, Series 28V	Parallel 840mA, Series 420mA	Dual	Dual	No	12VA	Through Hole	PC Pin	47.63mm L x 39.67mm W	38.10mm	2500Vrms	0.7 lb (317.51 g)
TCT40-06E07AB PWR XFMR LAMINATED 40VA CHAS MT Triad Magnetics	2,994	-	RFQ	Datasheet	Class 2, TCT	Box	Active	Laminated Core	120V, 240V	24V	1.67A	Single, Multiple Taps	Single	No	40VA	Chassis Mount	Solder, Quick Connect	92.46mm L x 56.67mm W	57.40mm	1500Vrms	1.5 lbs (680.4 g)
187D120 PWR XFMR LAMINATED 30VA CHAS MT Hammond Manufacturing	3,946	-	RFQ	Datasheet	187	Box	Active	Laminated Core	115V	120V	250mA	Single	Single	Yes	30VA	Chassis Mount	Solder, Quick Connect	82.55mm L x 52.20mm W	49.02mm	2000Vrms	1.1 lbs (499 g)
187D56 PWR XFMR LAMINATED 30VA CHAS MT Hammond Manufacturing	3,001	-	RFQ	Datasheet	187	Box	Active	Laminated Core	115V	56V	530mA	Single	Single	Yes	30VA	Chassis Mount	Solder, Quick Connect	82.55mm L x 52.20mm W	49.02mm	2000Vrms	1.1 lbs (499 g)
187D48 PWR XFMR LAMINATED 30VA CHAS MT Hammond Manufacturing	1,025	-	RFQ	Datasheet	187	Box	Active	Laminated Core	115V	48V	620mA	Single	Single	Yes	30VA	Chassis Mount	Solder, Quick Connect	82.55mm L x 52.20mm W	49.02mm	2000Vrms	1.1 lbs (499 g)
166L6 PWR XFMR LAMINATED 12.6VA CHAS Hammond Manufacturing	4,220	-	RFQ	Datasheet	166	Bulk	Active	Laminated Core	115V	6.3V	2A	Single	Single	Yes	12.6VA	Chassis Mount	Wire Leads	71.37mm L x 41.40mm W	42.93mm	2000Vrms	0.7 lb (317.51 g)
166G28 PWR XFMR LAMINATED 14VA CHAS MT Hammond Manufacturing	4,263	-	RFQ	Datasheet	166	Bulk	Active	Laminated Core	115V	28V	500mA	Single	Single	Yes	14VA	Chassis Mount	Wire Leads	71.37mm L x 41.40mm W	42.93mm	2000Vrms	0.7 lb (317.51 g)
229A34 PWR XFMR SEMI-TORO 6VA TH Hammond Manufacturing	3,655	-	RFQ	Datasheet	229	Bulk	Active	Semi-Toroidal	115V, 230V	Parallel 17V, Series 34V	Parallel 340mA, Series 170mA	Dual	Dual	No	6VA	Through Hole	PC Pin	39.62mm L x 47.75mm W	21.59mm	1750Vrms	0.35 lb (158.76 g)
162J10 PWR XFMR LAMINATED 36VA TH Hammond Manufacturing	2,643	-	RFQ	Datasheet	162	Bulk	Active	Laminated Core	115V, 230V	Parallel 5V, Series 10V	Parallel 7.2A, Series 3.6A	Dual	Dual	No	36VA	Through Hole	PC Pin	66.68mm L x 55.55mm W	39.70mm	2500Vrms	1.1 lbs (499 g)
266F12B PWR XFMR LAMINATED 3.6VA CHAS MT Hammond Manufacturing	1,901	-	RFQ	Datasheet	266	Box	Active	Laminated Core	117V, 234V	Parallel 6V, Series 12V	Parallel 600mA, Series 300mA	Dual	Dual	No	3.6VA	Chassis Mount	Wire Leads	60.45mm L x 37.59mm W	36.32mm	2000Vrms	0.4 lb (181.44 g)
F-251X PWR XFMR LAMINATED 28VA CHAS MT Triad Magnetics	2,605	-	RFQ	Datasheet	Single Secondary	Box	Active	Laminated Core	115V	14V	2A	Single	Single	Yes	28VA	Chassis Mount	Wire Leads	93.65mm L x 49.0mm W	57.15mm	1500Vrms	1.5 lbs (680.4 g)
266F12C PWR XFMR LAMINATED 4.2VA CHAS MT Hammond Manufacturing	3,120	-	RFQ	Datasheet	266	Box	Active	Laminated Core	117V, 234V	Parallel 6V, Series 12V	Parallel 700mA, Series 350mA	Dual	Dual	No	4.2VA	Chassis Mount	Wire Leads	60.45mm L x 37.59mm W	36.32mm	2000Vrms	0.4 lb (181.44 g)
187E12 PWR XFMR LAMINATED 50.4VA CHAS Hammond Manufacturing	3,109	-	RFQ	Datasheet	187	Box	Active	Laminated Core	115V	12.6V	4A	Single	Single	Yes	50.4VA	Chassis Mount	Solder, Quick Connect	93.47mm L x 55.50mm W	57.15mm	2000Vrms	1.7 lbs (771.1 g)
164H12 PWR XFMR LAMINATED 20VA TH Hammond Manufacturing	3,960	-	RFQ	Datasheet	164	Bulk	Active	Laminated Core	115V	Parallel 6.3V, Series 12.6V	Parallel 3.2A, Series 1.6A	Single	Dual	No	20VA	Through Hole	PC Pin	57.15mm L x 47.63mm W	36.52mm	2500Vrms	0.8 lb (362.87 g)
164H20 PWR XFMR LAMINATED 20VA TH Hammond Manufacturing	4,842	-	RFQ	Datasheet	164	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 47.63mm W	36.52mm	2500Vrms	0.8 lb (362.87 g)
164H24 PWR XFMR LAMINATED 20VA TH Hammond Manufacturing	3,527	-	RFQ	Datasheet	164	Bulk	Active	Laminated Core	115V	Parallel 12V, Series 24V	Parallel 1.6A, Series 800mA	Single	Dual	No	20VA	Through Hole	PC Pin	57.15mm L x 47.63mm W	36.52mm	2500Vrms	0.8 lb (362.87 g)
166FB24 PWR XFMR LAMINATED 9.6VA CHAS MT Hammond Manufacturing	1,885	-	RFQ	Datasheet	166	Box	Active	Laminated Core	117V	24V	400mA	Single	Single	Yes	9.6VA	Chassis Mount	Wire Leads	71.37mm L x 41.40mm W	42.93mm	2000Vrms	0.72 lb (326.59 g)
183H20 PWR XFMR LAMINATED 20VA TH Hammond Manufacturing	4,487	-	RFQ	Datasheet	183	Bulk	Active	Laminated Core	115V, 230V	Parallel 10V, Series 20V	Parallel 2A, Series 1A	Dual	Dual	No	20VA	Through Hole	PC Pin	57.15mm L x 47.63mm W	41.28mm	4000Vrms	0.9 lb (408.23 g)
183H10 PWR XFMR LAMINATED 20VA TH Hammond Manufacturing	3,276	-	RFQ	Datasheet	183	Bulk	Active	Laminated Core	115V, 230V	Parallel 5V, Series 10V	Parallel 4A, Series 2A	Dual	Dual	No	20VA	Through Hole	PC Pin	57.15mm L x 47.63mm W	41.28mm	4000Vrms	0.9 lb (408.23 g)
266F12 PWR XFMR LAMINATED 3.78VA CHAS Hammond Manufacturing	2,086	-	RFQ	Datasheet	266	Bulk	Active	Laminated Core	117V, 234V	Parallel 6.3V, Series 12.6V	Parallel 600mA, Series 300mA	Dual	Dual	No	3.78VA	Chassis Mount	Wire Leads	60.45mm L x 37.59mm W	36.32mm	2000Vrms	0.4 lb (181.44 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.