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
B78304B1031A003 XFMR DC/DC CONV 1MH SMD EPCOS - TDK Electronics	3,798	-	RFQ	Datasheet	B78304B	Tape & Reel (TR)	Active	For DC/DC Converters	-	-	-	-	-	500Vrms	1mH @ 10kHz	-	-40°C ~ 85°C	-	-	Surface Mount	0.315" L x 0.276" W (8.00mm x 7.00mm)	0.224" (5.70mm)	0.315" L x 0.374" W (8.00mm x 9.50mm)	-
B78304B1016A003 XFMR DC/DC CONV 4.3MH SMD EPCOS - TDK Electronics	3,444	-	RFQ	Datasheet	B78304B	Tape & Reel (TR)	Active	For DC/DC Converters	-	-	-	-	-	500Vrms	4.3mH @ 10kHz	-	-40°C ~ 85°C	-	-	Surface Mount	0.315" L x 0.276" W (8.00mm x 7.00mm)	0.224" (5.70mm)	0.315" L x 0.374" W (8.00mm x 9.50mm)	-
B78334B1018A003 XFMR DC/DC CONV 288.3UH SMD EPCOS - TDK Electronics	1,147	-	RFQ	Datasheet	-	Tape & Reel (TR)	Active	For DC/DC Converters	-	-	-	-	-	1200Vrms	288.3µH @ 10kHz	-	-40°C ~ 85°C	-	-	Surface Mount	0.472" L x 0.535" W (12.00mm x 13.60mm)	0.252" (6.40mm)	0.480" L x 0.535" W (12.20mm x 13.60mm)	-
B78302A2403A003 XFMR 4MH SMD EPCOS - TDK Electronics	2,046	-	RFQ	Datasheet	B78302	Tape & Reel (TR)	Last Time Buy	-	-	-	-	-	-	-	4mH @ 50kHz	50kHz	-40°C ~ 125°C	-	-	Surface Mount	0.307" L x 0.264" W (7.80mm x 6.70mm)	0.264" (6.70mm)	0.346" L x 0.264" W (8.80mm x 6.70mm)	Wirewound
B78302A2401A003 XFMR 2MH SMD EPCOS - TDK Electronics	2,482	-	RFQ	Datasheet	B78302	Tape & Reel (TR)	Last Time Buy	-	-	-	-	-	-	-	2mH @ 50kHz	50kHz	-40°C ~ 125°C	-	-	Surface Mount	0.307" L x 0.264" W (7.80mm x 6.70mm)	0.264" (6.70mm)	0.346" L x 0.264" W (8.80mm x 6.70mm)	Wirewound
B78302A2402A003 XFMR 3MH SMD EPCOS - TDK Electronics	3,092	-	RFQ	Datasheet	B78302	Tape & Reel (TR)	Last Time Buy	-	-	-	-	-	-	-	3mH @ 50kHz	50kHz	-40°C ~ 125°C	-	-	Surface Mount	0.307" L x 0.264" W (7.80mm x 6.70mm)	0.264" (6.70mm)	0.346" L x 0.264" W (8.80mm x 6.70mm)	Wirewound
B82802A0030A320 XFMR FLYBACK DC/DC CONV 40UH SMD EPCOS - TDK Electronics	4,128	-	RFQ	Datasheet	B82802A	Tape & Reel (TR)	Active	For DC/DC Converters	Flyback Converters	-	-	36 ~ 60V	-	1500Vrms	40µH @ 100kHz	100kHz	-40°C ~ 125°C	-	-	Surface Mount	0.866" L x 0.878" W (22.00mm x 22.30mm)	0.421" (10.70mm)	0.866" L x 1.035" W (22.00mm x 26.30mm)	-
B82802A0030A220 XFMR FLYBACK DC/DC CONV 40UH SMD EPCOS - TDK Electronics	4,533	-	RFQ	Datasheet	B82802A	Tape & Reel (TR)	Active	For DC/DC Converters	Flyback Converters	-	-	36 ~ 60V	-	1500Vrms	40µH @ 100kHz	100kHz	-40°C ~ 125°C	-	-	Surface Mount	0.866" L x 0.878" W (22.00mm x 22.30mm)	0.421" (10.70mm)	0.866" L x 1.035" W (22.00mm x 26.30mm)	-
B82802A0055A225 XFMR FLYBACK DC/DC CONV 22UH SMD EPCOS - TDK Electronics	1,214	-	RFQ	Datasheet	B82802A	Tape & Reel (TR)	Active	For DC/DC Converters	Flyback Converters	-	-	36 ~ 60V	-	1500Vrms	22µH @ 100kHz	100kHz	-40°C ~ 125°C	-	-	Surface Mount	-	0.583" (14.80mm)	1.063" L x 1.283" W (27.00mm x 32.60mm)	-
B82802A0055A325 XFMR FLYBACK DC/DC CONV 22UH SMD EPCOS - TDK Electronics	1,291	-	RFQ	Datasheet	B82802A	Tape & Reel (TR)	Active	For DC/DC Converters	Flyback Converters	-	-	36 ~ 60V	-	1500Vrms	22µH @ 100kHz	100kHz	-40°C ~ 125°C	-	-	Surface Mount	-	0.583" (14.80mm)	1.063" L x 1.283" W (27.00mm x 32.60mm)	-

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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.