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 (IDR) 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: Rp100.903 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 Rp100.903 Rp92.097 Rp90.813 Rp83.291 Reel Rp65.128 View Rp74.118 Rp64.945 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: Rp135.210 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 Rp135.210 Rp121.634 Rp108.058 Rp94.482 Reel Rp81.273 MouseReel Available	Min.: 1 Mult.: 1 : 400										WE-FLEX
Power Transformers - Board Mount WE-FLEX Trnsfmr HV 6.6uH 1.6A 749196248 Wurth Elektronik 1: Rp179.240 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 Rp179.240 Rp161.445 Rp143.466 Rp131.541 Reel Rp131.357 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 87.1uH .08A 749196507 Wurth Elektronik 1: Rp220.702 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 Rp220.702 Rp190.248 Reel Rp181.258 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 9.9uH 1.17A 749196510 Wurth Elektronik 1: Rp189.331 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 Rp189.331 Rp187.863 Rp178.140 Reel Rp160.161 Rp146.401	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 Trnsfmr HV 22.3uH .93A 749196518 Wurth Elektronik 1: Rp226.757 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 Rp226.757 Rp226.573 Rp226.390 Rp204.008 Reel Rp172.269 View Rp157.776 Rp143.466 Rp129.156 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 Trnsfmr HV 27.4uH .29A 749196118 Wurth Elektronik 1: Rp170.985 446In 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	446In Stock	Cut Tape Rp170.985 Rp170.618 Rp170.434 Rp153.373 Reel Rp107.691 View Rp136.311 Rp125.120 Rp97.234 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 Flexible Transformer for DC/DC Converter 749196121 Wurth Elektronik 1: Rp113.929 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 Rp113.929 Rp102.371 Rp90.996 Rp79.622 Reel Rp68.431	Min.: 1 Mult.: 1 : 500										WE-FLEX
Power Transformers - Board Mount WE-FLEX W/Air Gap 9.3uH 1.09A 749196331 Wurth Elektronik 1: Rp137.045 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 Rp137.045 Rp127.688 Reel Rp121.084 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: Rp174.287 322In 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	322In Stock	Cut Tape Rp174.287 Rp132.275 Rp118.332 Reel Rp96.317	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: Rp113.929 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 Rp113.929 Rp102.371 Rp90.996 Rp79.622 Reel Rp68.431	Min.: 1 Mult.: 1 : 500										WE-FLEX
Power Transformers - Board Mount WR-FLEX Flexible 8.5uH 0.55A 344mOhms 749196141 Wurth Elektronik 1: Rp123.836 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 Rp123.836 Rp111.727 Rp107.324 Rp104.022 Reel Rp93.565 View Rp100.720 Rp96.500 Rp88.978	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: Rp114.663 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 Rp114.663 Rp106.040 Rp97.784 Rp87.694 Reel Rp73.017 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: Rp114.663 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 Rp114.663 Rp106.040 Rp97.784 Rp87.694 Reel Rp75.769 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: Rp143.466 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 Rp143.466 Rp116.130 Rp93.932 Rp87.877 Rp84.025 Reel Rp70.449 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: Rp143.282 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 Rp143.282 Rp115.947 Rp93.932 Rp87.877 Reel Rp79.805 View Rp84.025 Rp68.247 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: Rp204.741 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 Rp204.741 Rp195.568 Rp161.812 Reel Rp106.957 Rp102.371 MouseReel Available	Min.: 1 Mult.: 1 : 120										WE-FLEX
Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter 749196511 Wurth Elektronik 1: Rp195.752 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 Rp195.752 Rp187.129 Rp165.481 Reel Rp156.858	Min.: 1 Mult.: 1 : 120										WE-FLEX
Power Transformers - Board Mount WE-FLEX Trnsfmr HV 5.3uH 2.81A 749196527 Wurth Elektronik 1: Rp226.757 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 Rp226.757 Rp204.191 Reel Rp181.442 Rp166.398 Rp151.171 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: Rp174.287 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 Rp174.287 Rp165.481 Reel Rp156.858	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: Rp103.471 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 Rp103.471 Rp92.280 Rp83.474 Rp74.301 Reel Rp68.614 MouseReel Available	Min.: 1 Mult.: 1 : 500										WE-FLEX
Power Transformers - Board Mount WE-FLEX Trnsfmr HV 224.6uH .02A 749196108 Wurth Elektronik 1: Rp170.618 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 Rp170.618 Rp153.373 Rp136.311 Rp125.120 Reel Rp108.058 Rp97.234 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 Flexible Transformer for DC/DC Converter 749196241 Wurth Elektronik 1: Rp127.872 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 Rp127.872 Rp119.066 Rp116.130 Rp105.123 Reel Rp81.273 View Rp94.298 Rp94.115 Rp81.089	Min.: 1 Mult.: 1 : 400										WE-FLEX
Power Transformers - Board Mount WE-FLEX Trnsfmr HV 196uH .05A 749196508 Wurth Elektronik 1: Rp229.875 120Expected 16/10/2026	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 16/10/2026	Cut Tape Rp229.875 Rp229.692 Rp226.757 Rp207.310 Reel Rp181.442 View Rp166.398 Rp153.189 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: Rp189.331 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 Rp189.331 Rp188.047 Rp178.323 Reel Rp168.783 Rp154.290	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

WE-FLEX Flexible Transformers

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