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
749118205 XFMR LED DR AC/DC CONV 900UH TH Würth Elektronik	1,300	-	RFQ	Datasheet	WE-UNIT	Tray	Active	For AC/DC Converters	LED Drivers, AC/DC SMPS	NCP101x, NCP105x	On Semiconductor	120 ~ 385V	-	4000Vrms	900µH @ 10kHz	132kHz	-40°C ~ 125°C	-	-	Through Hole	0.709" L x 0.650" W (18.00mm x 16.50mm)	0.709" (18.00mm)	0.709" L x 0.650" W (18.00mm x 16.50mm)	-
750319565 XFMR FLYBACK DC/DC CONV 256UH SM Würth Elektronik	2,110	-	RFQ	Datasheet	WE-AGDT	Tape & Reel (TR)	Active	For DC/DC Converters	Flyback Converters	-	-	15V	-	4000V	256µH @ 10kHz	250kHz	-40°C ~ 130°C	-	-	Surface Mount	0.445" L x 0.431" W (11.30mm x 10.95mm)	0.470" (11.94mm)	-	Wirewound
750311567 XFMR FLYBACK DC/DC CONV 7UH SMD Würth Elektronik	1,647	-	RFQ	Datasheet	WE-FB	Tape & Reel (TR)	Active	For DC/DC Converters	Flyback Converters	LT3573, LT3574, LT3575, LT3748	Linear Technology	10 ~ 40V	10V @ 20mA	1500Vrms	7µH @ 250kHz	250kHz	-40°C ~ 125°C	-	-	Surface Mount	-	0.455" (11.56mm)	0.525" L x 0.600" W (13.34mm x 15.24mm)	-
750319020 XFMR POE DC/DC CONV 17UH SMD Würth Elektronik	4,908	-	RFQ	Datasheet	MID-POE	Tape & Reel (TR)	Active	For DC/DC Converters	Power Over Ethernet (PoE)	-	-	33 ~ 57V	12V	1500Vrms	17µH @ 10kHz	250kHz	-40°C ~ 125°C	-	-	Surface Mount	1.102" L x 1.064" W (28.00mm x 27.03mm)	0.550" (13.97mm)	1.278" L x 1.064" W (32.45mm x 27.03mm)	-
750311475 XFMR LED DR AC/DC CONV 1.72MH TH Würth Elektronik	4,656	-	RFQ	Datasheet	WE-UNIT, MID-OLON	Tray	Active	For AC/DC Converters	LED Drivers, AC/DC SMPS	NCL30000	On Semiconductor	127 ~ 431V	-	4500Vrms	1.72mH @ 10kHz	39kHz	-40°C ~ 125°C	-	-	Through Hole	1.060" L x 1.050" W (26.92mm x 26.67mm)	0.575" (14.60mm)	1.060" L x 1.050" W (26.92mm x 26.67mm)	-
760895451 XFMR RES CONV AC/DC 600UH TH Würth Elektronik	1,545	-	RFQ	Datasheet	WE-LLCR	Tray	Active	For AC/DC Converters	Resonant Converters	-	-	360 ~ 400V	-	4000Vrms	600µH @ 100kHz	70 ~ 120kHz	-40°C ~ 125°C	-	-	Through Hole	1.417" L x 1.417" W (36.00mm x 36.00mm)	1.024" (26.00mm)	1.417" L x 1.417" W (36.00mm x 36.00mm)	-
760895641 XFMR RES CONV AC/DC 500UH TH Würth Elektronik	1,341	-	RFQ	Datasheet	WE-LLCR	Tray	Active	For AC/DC Converters	Resonant Converters	-	-	360 ~ 400V	-	4000Vrms	500µH @ 100kHz	70 ~ 120kHz	-40°C ~ 125°C	-	-	Through Hole	1.692" L x 1.732" W (43.00mm x 44.00mm)	1.181" (30.00mm)	1.692" L x 1.732" W (43.00mm x 44.00mm)	-
7508110127 XFMR FLYBCK AC/DC CONV 1.05MH TH Würth Elektronik	4,983	-	RFQ	Datasheet	MID-OLTI	Tray	Active	For AC/DC Converters	Flyback Converters	-	Texas Instruments	82 ~ 375V	-	4000V	1.05mH @ 10kHz	120kHz	-40°C ~ 125°C	-	-	Through Hole	0.560" L x 0.560" W (14.22mm x 14.22mm)	0.500" (12.70mm)	-	Laminated Core
750317589 XFMR FLYBACK DC/DC CONV 670UH TH Würth Elektronik	3,029	-	RFQ	Datasheet	MID-OLTI	Tray	Active	For DC/DC Converters	Flyback Converters	-	Linear Technology	100 ~ 600V	12V @ 20mA	3000V	670µH @ 1kHz	140kHz	-40°C ~ 125°C	-	-	Through Hole	1.240" L x 1.240" W (31.50mm x 31.50mm)	0.807" (20.50mm)	-	Laminated Core
750032489 XFMR FLYBACK DC/DC CONV 5UH SMD Würth Elektronik	1,956	-	RFQ	Datasheet	WE-FB	Tape & Reel (TR)	Active	For DC/DC Converters	Flyback Converters	-	-	15V	-	500Vrms	5µH @ 100kHz	-	-40°C ~ 125°C	-	-	Surface Mount	-	0.505" (12.83mm)	0.530" L x 0.699" W (13.46mm x 17.75mm)	-

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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.