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 500VDC for the standard version and up to 1.5kVAC 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.

Results: 48
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Product
Power Rating
Secondary Current Rating
Mounting Style
Primary Winding
Secondary Winding
Length
Width
Height
Series
Wurth Elektronik Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter
Datasheet
497In Stock
MouseReel Available
A tariff of 11% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 400

WE-FLEX
Wurth Elektronik Power Transformers - Board Mount WE-FLEX DCR=344mOhms 27.4uH 500VDC SMD
Datasheet
536In Stock
MouseReel Available
A tariff of 11% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 500

WE-FLEX
Wurth Elektronik Power Transformers - Board Mount WE-FLEX Trnsfmr HV 27.4uH .29A
Datasheet
446In Stock
MouseReel Available
A tariff of 11% may be applied if shipping to the United States.
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
Wurth Elektronik Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter
Datasheet
1,753In Stock
A tariff of 11% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 400

WE-FLEX
Wurth Elektronik Power Transformers - Board Mount WE-FLEX Trnsfmr HV 6.6uH 1.6A
Datasheet
246In Stock
MouseReel Available
A tariff of 11% may be applied if shipping to the United States.
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
Wurth Elektronik Power Transformers - Board Mount WE-FLEX Trnsfmr HV 87.1uH .08A
Datasheet
42In Stock
MouseReel Available
A tariff of 11% may be applied if shipping to the United States.
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
Wurth Elektronik Power Transformers - Board Mount WE-FLEX W/Air Gap 9.9uH 1.17A
Datasheet
159In Stock
A tariff of 11% may be applied if shipping to the United States.
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
Wurth Elektronik Power Transformers - Board Mount WE-FLEX Trnsfmr HV 22.3uH .93A
Datasheet
179In Stock
MouseReel Available
A tariff of 11% may be applied if shipping to the United States.
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
Wurth Elektronik Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter
Datasheet
980In Stock
A tariff of 11% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 500

WE-FLEX
Wurth Elektronik Power Transformers - Board Mount WE-FLEX W/Air Gap 9.3uH 1.09A
Datasheet
280In Stock
MouseReel Available
A tariff of 11% may be applied if shipping to the United States.
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
Wurth Elektronik Power Transformers - Board Mount WE-FLEX W/Air Gap 3.4uH 4.18A
Datasheet
323In Stock
A tariff of 11% may be applied if shipping to the United States.
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
Wurth Elektronik Power Transformers - Board Mount WE-FLEX Trnsfmr HV 224.6uH .02A
Datasheet
146In Stock
MouseReel Available
A tariff of 11% may be applied if shipping to the United States.
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
Wurth Elektronik Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter
Datasheet
79In Stock
500Expected 10/2/2026
A tariff of 11% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 500

WE-FLEX
Wurth Elektronik Power Transformers - Board Mount WR-FLEX Flexible 8.5uH 0.55A 344mOhms
Datasheet
320In Stock
500Expected 10/2/2026
A tariff of 11% may be applied if shipping to the United States.
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
Wurth Elektronik Power Transformers - Board Mount WE-FLEX DCR=159mOhms 21.6uH 500VDC SMD
Datasheet
288In Stock
MouseReel Available
A tariff of 11% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 400

WE-FLEX
Wurth Elektronik Power Transformers - Board Mount WE-FLEX DCR=159mOhms 11.6uH 500VDC SMD
Datasheet
100In Stock
MouseReel Available
A tariff of 20% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 400

WE-FLEX
Wurth Elektronik Power Transformers - Board Mount WE-FLEX W/O Air Gap 153.8uH 0.02A
Datasheet
214In Stock
MouseReel Available
A tariff of 11% may be applied if shipping to the United States.
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
Wurth Elektronik Power Transformers - Board Mount WE-FLEX W/Air Gap 23.3uH 0.33A
Datasheet
256In Stock
MouseReel Available
A tariff of 11% may be applied if shipping to the United States.
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
Wurth Elektronik Power Transformers - Board Mount WE-FLEX SMD 500VDC 196uH RDC=71.1mOhms
Datasheet
119In Stock
MouseReel Available
A tariff of 11% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 120

WE-FLEX
Wurth Elektronik Power Transformers - Board Mount WE-FLEX Flexible Transformer for DC/DC Converter
Datasheet
120In Stock
A tariff of 11% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 120

WE-FLEX
Wurth Elektronik Power Transformers - Board Mount WE-FLEX W/Air Gap 9.7uH 2.20A
Datasheet
69In Stock
A tariff of 11% may be applied if shipping to the United States.
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
Wurth Elektronik Power Transformers - Board Mount WE-FLEX DCR=344mOhms 198.6uH 500VDC SMD
Datasheet
990On Order
MouseReel Available
A tariff of 11% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 500

WE-FLEX
Wurth Elektronik Power Transformers - Board Mount WE-FLEX Trnsfmr HV 196uH .05A
Datasheet
120Expected 10/9/2026
MouseReel Available
A tariff of 11% may be applied if shipping to the United States.
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
Wurth Elektronik Power Transformers - Board Mount WE-FLEX W/Air Gap 12.0uH 1.73A
Datasheet
239Expected 10/2/2026
A tariff of 11% may be applied if shipping to the United States.
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
Wurth Elektronik Power Transformers - Board Mount WE-FLEX Trnsfmr HV 5.3uH 2.81A
Datasheet
165Expected 10/13/2026
MouseReel Available
A tariff of 11% may be applied if shipping to the United States.
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