Switching Converter, SMPS Transformers

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Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Packaging	Product Status	Type	Applications	Intended Chipset	Chipset Manufacturer	Voltage - Primary	Voltage - Auxiliary	Voltage - Isolation	Inductance @ Frequency	Frequency	Operating Temperature	Grade	Qualification	Mounting Type	Size / Dimension	Height - Seated (Max)	Footprint	Style
PA3965.002NLT XFMR FLYBACK 7W Pulse Electronics	3,153	-	RFQ	Datasheet	PA3965.XXXNLT	Tape & Reel (TR)	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	0.657" L x 0.500" W (16.70mm x 12.70mm)	0.557" (14.15mm)	0.657" L x 0.650" W (16.70mm x 16.50mm)	-
PA3857NL XFMR FLYBACK Pulse Electronics	4,519	-	RFQ	Datasheet	-	Tray	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PA3964.001NLT XFMR AC FORWARD 7W Pulse Electronics	2,648	-	RFQ	Datasheet	PA3964.XXXNLT	Tape & Reel (TR)	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	0.614" L x 0.591" W (15.60mm x 15.00mm)	0.291" (7.40mm)	0.614" L x 0.650" W (15.60mm x 16.50mm)	-
PA3964.002NLT XFMR PUSH PULL 7W Pulse Electronics	2,328	-	RFQ	Datasheet	PA3964.XXXNLT	Tape & Reel (TR)	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	0.614" L x 0.591" W (15.60mm x 15.00mm)	0.291" (7.40mm)	0.614" L x 0.650" W (15.60mm x 16.50mm)	-
PA1032NL XFMR FLYBACK DC/DC CONV SMD Pulse Electronics	3,264	-	RFQ	Datasheet	-	Tray	Active	For DC/DC Converters	Flyback Converters	-	-	30 ~ 57V	10V @ 15mA	1500Vrms	-	250kHz	-40°C ~ 125°C	-	-	Surface Mount	0.450" L x 0.366" W (11.43mm x 9.30mm)	0.260" (6.60mm)	0.450" L x 0.500" W (11.43mm x 12.70mm)	-
PA5179NL XFMR DC/DC CONV 4UH SMD Pulse Electronics	2,086	-	RFQ	Datasheet	PA5179NL	Tray	Active	For DC/DC Converters	-	-	-	2 ~ 8V	-	1500Vrms	4µH	140kHz	-40°C ~ 130°C	-	-	Surface Mount	-	0.451" (11.45mm)	0.600" L x 0.516" W (15.24mm x 13.10mm)	Wirewound
PA5131.002NLT XFMR FWD P-P DC/DC CONV SMD Pulse Electronics	2,537	-	RFQ	Datasheet	PA5131XXXNL	Tape & Reel (TR)	Active	For DC/DC Converters	Forward, Push-Pull Converters	-	-	33 ~ 57V	-	2250V	-	200kHz	-40°C ~ 125°C	-	-	Surface Mount	0.610" L x 0.512" W (15.50mm x 13.00mm)	0.610" (15.50mm)	0.610" L x 0.512" W (15.50mm x 13.00mm)	Wirewound
PA3855.001NLT XFMR FLYBACK DC/DC CONV 54UH SMD Pulse Electronics	3,641	-	RFQ	Datasheet	EP13Plus	Tape & Reel (TR)	Active	For DC/DC Converters	Flyback Converters	-	-	33 ~ 57V	10V @ 50mA	2250VDC	-	200kHz	-40°C ~ 130°C	-	-	Surface Mount	0.571" L x 0.526" W (14.50mm x 13.36mm)	0.551" (14.00mm)	0.571" L x 0.695" W (14.50mm x 17.65mm)	-
PA0273NLT XFMR FWD P-P DC/DC CONV SMD Pulse Electronics	1,792	-	RFQ	Datasheet	-	Tape & Reel (TR)	Active	For DC/DC Converters	Forward, Push-Pull Converters	-	-	36 ~ 72V	12V @ 100mA	1500Vrms	-	250kHz	-40°C ~ 130°C	-	-	Surface Mount	0.860" L x 0.930" W (21.84mm x 23.62mm)	0.450" (11.43mm)	0.860" L x 1.150" W (21.84mm x 29.21mm)	-
PA5181NL XFMR DC/DC CONV 3.4UH SMD Pulse Electronics	2,368	-	RFQ	Datasheet	PA5181NL	Tray	Active	For DC/DC Converters	-	-	-	-	-	1500Vrms	3.4µH	-	-40°C ~ 130°C	-	-	Surface Mount	-	0.500" (12.70mm)	0.697" L x 0.551" W (17.70mm x 14.00mm)	Wirewound

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FREQUENTLY ASKED QUESTIONS

Switching Converter, SMPS Transformers FAQ

Common questions about filtering, comparing and sourcing Switching Converter, SMPS Transformers components.

How can I narrow the Switching Converter, SMPS 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 Switching Converter, SMPS 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.