Power Transformers - Board Mount

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WE-FLEX Flexible Transformers

Würth Elektronik WE-FLEX Flexible Transformers for DC/DC Converters provide six identical windings and are available in four sizes with five different lengths of air gap each. These transformers offer an isolation voltage of 500V_DC for the standard version and up to 1.5kV_AC for the high voltage (HV) version. By using different circuits, more than 375 transformer solutions and about 125 choke solutions possible. Other features include low leakage inductance and -40°C to +125°C operating temperature range. Würth Elektronik WE-FLEX Flexible Transformers are ideal for use in all types of switching regulators.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (DKK) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Power Rating	Secondary Current Rating	Mounting Style	Primary Winding	Secondary Winding	Length	Width	Height	Series
Power Transformers - Board Mount WE-FLEX DCR=344mOhms 27.4uH 500VDC SMD 749196111 Wurth Elektronik 1: 35,29 kr. 536In Stock	Mfr. Part No. 749196111 Mouser Part No 710-749196111	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX DCR=344mOhms 27.4uH 500VDC SMD Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	536In Stock	Cut Tape 35,29 kr. 32,23 kr. 31,78 kr. 29,09 kr. Reel 22,75 kr. View 25,89 kr. 22,68 kr. MouseReel Available	Min.: 1 Mult.: 1 : 500										WE-FLEX
Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter 749196201 Wurth Elektronik 1: 47,30 kr. 497In Stock	Mfr. Part No. 749196201 Mouser Part No 710-749196201	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	497In Stock	Cut Tape 47,30 kr. 42,52 kr. 37,82 kr. 33,05 kr. Reel 28,42 kr. MouseReel Available	Min.: 1 Mult.: 1 : 400										WE-FLEX
Power Transformers - Board Mount WE-FLEX Trnsfmr HV 87.1uH .08A 749196507 Wurth Elektronik 1: 77,21 kr. 42In Stock	Mfr. Part No. 749196507 Mouser Part No 710-749196507	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX Trnsfmr HV 87.1uH .08A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	42In Stock	Cut Tape 77,21 kr. 66,54 kr. Reel 63,41 kr. MouseReel Available	Min.: 1 Mult.: 1 : 120	Signal Transformers		2.3 A	SMD/SMT	Triple Primary Winding	Triple Secondary Winding	29.5 mm	21.5 mm	12 mm	WE-FLEX HV
Power Transformers - Board Mount WE-FLEX Trnsfmr HV 6.6uH 1.6A 749196248 Wurth Elektronik 1: 62,66 kr. 246In Stock	Mfr. Part No. 749196248 Mouser Part No 710-749196248	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX Trnsfmr HV 6.6uH 1.6A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	246In Stock	Cut Tape 62,66 kr. 56,47 kr. 50,21 kr. 46,03 kr. Reel 45,95 kr. MouseReel Available	Min.: 1 Mult.: 1 : 400	Signal Transformers			SMD/SMT	Triple Primary Winding	Triple Secondary Winding	16.3 mm	12 mm	7.4 mm	WE-FLEX HV
Power Transformers - Board Mount WE-FLEX Trnsfmr HV 27.4uH .29A 749196118 Wurth Elektronik 1: 59,83 kr. 434In Stock	Mfr. Part No. 749196118 Mouser Part No 710-749196118	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX Trnsfmr HV 27.4uH .29A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	434In Stock	Cut Tape 59,83 kr. 59,68 kr. 59,61 kr. 53,64 kr. Reel 37,67 kr. View 47,67 kr. 43,79 kr. 34,02 kr. MouseReel Available	Min.: 1 Mult.: 1 : 500	Signal Transformers			SMD/SMT	Triple Primary Winding	Triple Secondary Winding	12.9 mm	13 mm	6.2 mm	WE-FLEX HV
Power Transformers - Board Mount WE-FLEX Trnsfmr HV 22.3uH .93A 749196518 Wurth Elektronik 1: 79,30 kr. 179In Stock	Mfr. Part No. 749196518 Mouser Part No 710-749196518	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX Trnsfmr HV 22.3uH .93A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	179In Stock	Cut Tape 79,30 kr. 79,23 kr. 79,15 kr. 71,32 kr. Reel 60,28 kr. View 55,20 kr. 50,21 kr. 45,13 kr. MouseReel Available	Min.: 1 Mult.: 1 : 120	Signal Transformers		1.35 A	SMD/SMT	Triple Primary Winding	Triple Secondary Winding	29.5 mm	21.5 mm	12 mm	WE-FLEX HV
Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter 749196121 Wurth Elektronik 1: 39,84 kr. 964In Stock	Mfr. Part No. 749196121 Mouser Part No 710-749196121	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter	Datasheet	964In Stock	Cut Tape 39,84 kr. 35,81 kr. 31,85 kr. 27,83 kr. Reel 23,95 kr.	Min.: 1 Mult.: 1 : 500										WE-FLEX
Power Transformers - Board Mount WE-FLEX W/Air Gap 9.3uH 1.09A 749196331 Wurth Elektronik 1: 47,89 kr. 280In Stock	Mfr. Part No. 749196331 Mouser Part No 710-749196331	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX W/Air Gap 9.3uH 1.09A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	280In Stock	Cut Tape 47,89 kr. 44,69 kr. Reel 42,37 kr. MouseReel Available	Min.: 1 Mult.: 1 : 300	Flexible Transformers	500 VA	970 mA	SMD/SMT	Triple Primary Winding	Triple Secondary Winding	17.5 mm	22.1 mm	8.3 mm	WE-FLEX
Power Transformers - Board Mount WE-FLEX W/Air Gap 3.4uH 4.18A 749196540 Wurth Elektronik 1: 60,95 kr. 319In Stock	Mfr. Part No. 749196540 Mouser Part No 710-749196540	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX W/Air Gap 3.4uH 4.18A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	319In Stock	Cut Tape 60,95 kr. 46,25 kr. 41,40 kr. Reel 33,72 kr.	Min.: 1 Mult.: 1 : 120	Flexible Transformers	500 VA	1.7 A	SMD/SMT	Triple Primary Winding	Triple Secondary Winding	21 mm	29.5 mm	10.8 mm	WE-FLEX
Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter 749196131 Wurth Elektronik 1: 39,84 kr. 79In Stock 500On Order	Mfr. Part No. 749196131 Mouser Part No 710-749196131	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	79In Stock 500On Order	Cut Tape 39,84 kr. 35,81 kr. 31,85 kr. 27,83 kr. Reel 23,95 kr.	Min.: 1 Mult.: 1 : 500										WE-FLEX
Power Transformers - Board Mount WR-FLEX Flexible 8.5uH 0.55A 344mOhms 749196141 Wurth Elektronik 1: 43,34 kr. 306In Stock 500Expected 23/10/2026	Mfr. Part No. 749196141 Mouser Part No 710-749196141	Wurth Elektronik	Power Transformers - Board Mount WR-FLEX Flexible 8.5uH 0.55A 344mOhms Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	306In Stock 500Expected 23/10/2026	Cut Tape 43,34 kr. 39,09 kr. 37,52 kr. 36,40 kr. Reel 32,75 kr. View 35,21 kr. 33,72 kr. 31,11 kr.	Min.: 1 Mult.: 1 : 500	Flexible Transformers			SMD/SMT	Triple Primary Winding	Triple Secondary Winding	12.9 mm	13 mm	6.2 mm	WE-FLEX
Power Transformers - Board Mount WE-FLEX DCR=159mOhms 21.6uH 500VDC SMD 749196211 Wurth Elektronik 1: 40,13 kr. 288In Stock	Mfr. Part No. 749196211 Mouser Part No 710-749196211	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX DCR=159mOhms 21.6uH 500VDC SMD Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	288In Stock	Cut Tape 40,13 kr. 37,08 kr. 34,17 kr. 30,66 kr. Reel 25,51 kr. MouseReel Available	Min.: 1 Mult.: 1 : 400										WE-FLEX
Power Transformers - Board Mount WE-FLEX DCR=159mOhms 11.6uH 500VDC SMD 749196221 Wurth Elektronik 1: 40,13 kr. 90In Stock	Mfr. Part No. 749196221 Mouser Part No 710-749196221	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX DCR=159mOhms 11.6uH 500VDC SMD Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	90In Stock	Cut Tape 40,13 kr. 37,08 kr. 34,17 kr. 30,66 kr. Reel 26,48 kr. MouseReel Available	Min.: 1 Mult.: 1 : 400										WE-FLEX
Power Transformers - Board Mount WE-FLEX W/O Air Gap 153.8uH 0.02A 749196301 Wurth Elektronik 1: 50,21 kr. 214In Stock 300Expected 23/10/2026	Mfr. Part No. 749196301 Mouser Part No 710-749196301	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX W/O Air Gap 153.8uH 0.02A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	214In Stock 300Expected 23/10/2026	Cut Tape 50,21 kr. 40,58 kr. 32,82 kr. 30,74 kr. 29,39 kr. Reel 24,62 kr. MouseReel Available	Min.: 1 Mult.: 1 : 300	Flexible Transformers	500 VA	970 mA	SMD/SMT	Triple Primary Winding	Triple Secondary Winding	17.5 mm	22.1 mm	8.3 mm	WE-FLEX
Power Transformers - Board Mount WE-FLEX W/Air Gap 23.3uH 0.33A 749196311 Wurth Elektronik 1: 50,13 kr. 256In Stock	Mfr. Part No. 749196311 Mouser Part No 710-749196311	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX W/Air Gap 23.3uH 0.33A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	256In Stock	Cut Tape 50,13 kr. 40,58 kr. 32,82 kr. 30,74 kr. Reel 27,90 kr. View 29,39 kr. 23,87 kr. MouseReel Available	Min.: 1 Mult.: 1 : 300	Flexible Transformers	500 VA	970 mA	SMD/SMT	Triple Primary Winding	Triple Secondary Winding	17.5 mm	22.1 mm	8.3 mm	WE-FLEX
Power Transformers - Board Mount WE-FLEX SMD 500VDC 196uH RDC=71.1mOhms 749196501 Wurth Elektronik 1: 71,62 kr. 119In Stock	Mfr. Part No. 749196501 Mouser Part No 710-749196501	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX SMD 500VDC 196uH RDC=71.1mOhms Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	119In Stock	Cut Tape 71,62 kr. 68,41 kr. 56,62 kr. Reel 37,37 kr. 35,81 kr. MouseReel Available	Min.: 1 Mult.: 1 : 120										WE-FLEX
Power Transformers - Board Mount WE-FLEX W/Air Gap 9.9uH 1.17A 749196510 Wurth Elektronik 1: 66,24 kr. 69In Stock	Mfr. Part No. 749196510 Mouser Part No 710-749196510	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX W/Air Gap 9.9uH 1.17A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	69In Stock	Cut Tape 66,24 kr. 65,72 kr. 62,29 kr. Reel 56,02 kr. 51,18 kr.	Min.: 1 Mult.: 1 : 120	Flexible Transformers	500 VA	1.91 A	SMD/SMT	Triple Primary Winding	Triple Secondary Winding	21 mm	29.5 mm	10.8 mm	WE-FLEX
Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter 749196511 Wurth Elektronik 1: 68,48 kr. 105In Stock	Mfr. Part No. 749196511 Mouser Part No 710-749196511	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	105In Stock	Cut Tape 68,48 kr. 65,42 kr. 57,89 kr. Reel 54,83 kr.	Min.: 1 Mult.: 1 : 120										WE-FLEX
Power Transformers - Board Mount WE-FLEX Trnsfmr HV 5.3uH 2.81A 749196527 Wurth Elektronik 1: 79,30 kr. 90In Stock	Mfr. Part No. 749196527 Mouser Part No 710-749196527	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX Trnsfmr HV 5.3uH 2.81A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	90In Stock	Cut Tape 79,30 kr. 71,39 kr. Reel 63,48 kr. 58,19 kr. 52,89 kr. Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 120	Signal Transformers		2.3 A	SMD/SMT	Triple Primary Winding	Triple Secondary Winding	29.5 mm	21.5 mm	12 mm	WE-FLEX HV
Power Transformers - Board Mount WE-FLEX W/Air Gap 9.7uH 2.20A 749196531 Wurth Elektronik 1: 60,95 kr. 69In Stock	Mfr. Part No. 749196531 Mouser Part No 710-749196531	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX W/Air Gap 9.7uH 2.20A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	69In Stock	Cut Tape 60,95 kr. 57,89 kr. Reel 54,83 kr.	Min.: 1 Mult.: 1 : 120	Flexible Transformers	500 VA	1.7 A	SMD/SMT	Triple Primary Winding	Triple Secondary Winding	21 mm	29.5 mm	10.8 mm	WE-FLEX
Power Transformers - Board Mount WE-FLEX DCR=344mOhms 198.6uH 500VDC SMD 749196101 Wurth Elektronik 1: 36,18 kr. 990On Order	Mfr. Part No. 749196101 Mouser Part No 710-749196101	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX DCR=344mOhms 198.6uH 500VDC SMD Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	990On Order On Order Ship Dates Mfr. No: 749196101 Stock: 0 On Order: 490 Pending 500 Expected 23/10/2026 Factory Lead Time: 21 Weeks	Cut Tape 36,18 kr. 32,30 kr. 29,17 kr. 25,96 kr. Reel 24,02 kr. MouseReel Available	Min.: 1 Mult.: 1 : 500										WE-FLEX
Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter 749196241 Wurth Elektronik 1: 44,69 kr. 365Expected 30/10/2026	Mfr. Part No. 749196241 Mouser Part No 710-749196241	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	365Expected 30/10/2026	Cut Tape 44,69 kr. 41,63 kr. 40,58 kr. 36,78 kr. Reel 28,42 kr. View 32,97 kr. 32,90 kr. 28,35 kr.	Min.: 1 Mult.: 1 : 400										WE-FLEX
Power Transformers - Board Mount WE-FLEX Trnsfmr HV 196uH .05A 749196508 Wurth Elektronik 1: 80,42 kr. 120Expected 05/10/2026	Mfr. Part No. 749196508 Mouser Part No 710-749196508	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX Trnsfmr HV 196uH .05A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	120Expected 05/10/2026	Cut Tape 80,42 kr. 80,34 kr. 79,30 kr. 72,51 kr. Reel 63,48 kr. View 58,19 kr. 53,56 kr. Quote MouseReel Available	Min.: 1 Mult.: 1 : 120	Signal Transformers		1.35 A	SMD/SMT	Triple Primary Winding	Triple Secondary Winding	29.5 mm	21.5 mm	12 mm	WE-FLEX HV
Power Transformers - Board Mount WE-FLEX W/Air Gap 12.0uH 1.73A 749196521 Wurth Elektronik 1: 66,24 kr. 239Expected 23/10/2026	Mfr. Part No. 749196521 Mouser Part No 710-749196521	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX W/Air Gap 12.0uH 1.73A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	239Expected 23/10/2026	Cut Tape 66,24 kr. 65,80 kr. 62,37 kr. Reel 59,01 kr. 53,94 kr.	Min.: 1 Mult.: 1 : 120	Flexible Transformers	500 VA	1.7 A	SMD/SMT	Triple Primary Winding	Triple Secondary Winding	21 mm	29.5 mm	10.8 mm	WE-FLEX
Power Transformers - Board Mount WE-FLEX Trnsfmr HV 224.6uH .02A 749196108 Wurth Elektronik 1: 59,68 kr. 500Expected 22/02/2027	Mfr. Part No. 749196108 Mouser Part No 710-749196108	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX Trnsfmr HV 224.6uH .02A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	500Expected 22/02/2027	Cut Tape 59,68 kr. 53,64 kr. 47,67 kr. 43,79 kr. Reel 37,82 kr. 34,02 kr. MouseReel Available	Min.: 1 Mult.: 1 : 500	Signal Transformers			SMD/SMT	Triple Primary Winding	Triple Secondary Winding	12.9 mm	13 mm	6.2 mm	WE-FLEX HV

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