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Würth Elektronik GmbH & Co. KG

Würth Elektronik GmbH & Co. KG- Pulse Transformers

Würth Elektronik is a leading manufacturer of electronic and electromechanical components, part of the globally renowned Würth Group, founded in 1945 and headquartered in Niedernhall, Germany. The company specializes in EMC and inductive components, including ferrites, ferrite beads, inductors, common-mode chokes, transformers, and connectors. Through its Midcom division, Würth Elektronik leverages a worldwide network of ISO-certified production plants and distribution hubs to serve diverse markets. The product portfolio also extends to PCB assembly solutions, wireless connectivity modules, and passive components such as capacitors and resistors. Known for its 'more than you expect' philosophy, the company provides extensive engineering support, from design-in to prototyping and mass production. With over 120 technical salespeople globally, customers receive rapid, localized assistance and free design samples. Würth Elektronik holds a strong market position in the EMC component segment, driven by high-quality manufacturing and continuous innovation. Its components are essential in automotive electronics, industrial automation, consumer devices, and telecommunications infrastructure. The company’s commitment to reliability and comprehensive technical documentation makes it a trusted partner for engineers worldwide.

03

Pulse Transformers - 型号列表

298 parts in total

Inductance

Other Names

Length

Width

Weight

Standard Package

Height

Size / Dimension

Type

Operating Temperature

Product

Power - Rated

DC Resistance (DCR)

Voltage - Isolation

Current Rating (Per Contact)

Packaging

Depth

RoHS

Tariff No

Mounting Type

Termination Style

Height - Seated (Max)

Series

Applications

Frequency Range

Current Rating (Max)

Package / Case

Primary Material

Mfr Part #Quantity AvailablePriceSVHCTariff NoInductanceWidthLengthWeightMounting TypeOperating TemperatureProductRoHSVoltage - IsolationHeightPackagingSize / DimensionTermination StyleTypeOther NamesStandard PackagePower - RatedSeriesDC Resistance (DCR)Secondary Winding(s)Current Rating (Per Contact)Turns Ratio - Primary:SecondaryMounting StylePrimary Winding(s)Height - Seated (Max)ApplicationsPrimary MaterialVoltage - SecondaryPlug TypeDepthTransformer TypeFor Use With/Related ProductsFrequency RangeCurrent Rating (Max)Package / CaseMechanical LifePart # AliasesProduct CategoryFactory Pack QuantityProduct Type
749196510
3
749196510

Power Transformers Flex-Transfrmr EFD20 TRANSFORMER 9.9UH 1.91A SMD Flex Transformer WE-FLEX EFD20 Power Transformers WE-FLEX Transformer 9.9uH 1.17A TRANSFORMER, DC/DC CONV, 9.9UH 1.91A Wurth Elektronik SMPS 变压器, 9.9μH

Wurth Electronics

43120: ¥57.569:No SVHC (20-Jun-2013)850431809.9 uH21 mm21 mm0.01Surface Mount- 40 C to + 125 CControl TransformersRoHS Compliant500VDC10.8 mmTray21.00mm L x 21.00mm WSMD/SMTFlex Transformer We-Flex732-2457-2120500 VAWE-FLEX:0.03ohmTriple Secondary Winding1.91 A:-SMD/SMTTriple Primary Winding10.80mmFlyback Converters---------New At Mouser----
749196331
2
749196331

電力変圧器 WE-FLEX Transformer 9.3uH 1.09A TRANSFORMER 9.3UH .97A SMD Flex Transformer WE-FLEX EFD15 Power Transformers WE-FLEX Transformer 9.3uH 1.09A TRANSFORMER, DC/DC CONV, 9.3UH 0.97A

Wurth Electronics

101: ¥30.668:No SVHC (20-Jun-2013)850431809.3 uH16 mm17.5 mm0.01Surface Mount-40°C ~ 125°CControl TransformersLead free / RoHS Compliant500VDC8.3 mmTape & Reel (TR)17.50mm L x 16.00mm WSMD/SMTConfigurable (For DC/DC)732-2455-2300500 VAWE-FLEX:0.14ohmTriple Secondary Winding0.97 A:-SMD/SMTTriple Primary Winding8.30mmFlyback Converters--------------
749196541
2
749196541

電力変圧器 WE-FLEX Transformer 7.6uH 2.46A TRANSFORMER 7.6UH 1.7A SMD Flex Transformer WE-FLEX EFD20 Power Transformers WE-FLEX Transformer 7.6uH 2.46A TRANSFORMER, DC/DC CONV, 7.6UH 1.7A Wurth Elektronik 开关式电源变压器, 7.6μH

Wurth Electronics

951: ¥54.36:No SVHC (20-Jun-2013)850431807.6 uH21 mm21 mm0.01Surface Mount-40°C ~ 125°CControl TransformersLead free / RoHS Compliant500VDC10.8 mmTape & Reel (TR)21.00mm L x 21.00mm WSMD/SMTConfigurable (For DC/DC)732-2453-21201500 VAWE-FLEX:0.071ohmTriple Secondary Winding1.7 A:-SMD/SMTTriple Primary Winding10.80mmFlyback Converters--------------
749196521
2
749196521

電力変圧器 WE-FLEX Transformer 12.0uH 1.73A TRANSFORMER 12UH 1.7A SMD Flex Transformer WE-FLEX EFD20 Power Transformers WE-FLEX Transformer 12.0uH 1.73A TRANSFORMER, DC/DC CONV, 12UH 1.7A Wurth Elektronik SMPS 变压器, 12μH

Wurth Electronics

101: ¥65.39:No SVHC (20-Jun-2013)8504318012 uH21 mm21 mm0.01Surface Mount-40°C ~ 125°CControl TransformersLead free / RoHS Compliant500VDC10.8 mmTape & Reel (TR)21.00mm L x 21.00mm WSMD/SMTConfigurable (For DC/DC)732-2445-2120500 VAWE-FLEX:0.071ohmTriple Secondary Winding1.7 A:-SMD/SMTTriple Primary Winding10.80mmFlyback Converters--------------
749196301
2
749196301

Power Transformers WE-FLEX Transformer 153.8uH 0.02A TRANSFORMER 153.8UH .97A SMD Flex Transformer WE-FLEX EFD15 TRANSFORMER DC/DC CONV 153.8UH 0.97A Wurth Elektronik SMPS 变压器, 153.8μH

Wurth Electronics

13300: ¥24.644:No SVHC (20-Jun-2013)85043180153.8 uH16 mm17.5 mm0.01Surface Mount-40°C ~ 125°CControl TransformersLead free / RoHS Compliant500VDC8.3 mmTape & Reel (TR)17.50mm L x 16.00mm WSMD/SMTConfigurable (For DC/DC)732-2447-2300500 VAWE-FLEX:0.14ohmTriple Secondary Winding0.97 A:-SMD/SMTTriple Primary Winding8.30mmForward, Push-Pull Converters--------------
760871131
760871131

Transformers Audio & Signal WE-UNIT Off-Line 1.396mH 1.60ohm OFFLINE XFRM WE-UNIT ST VIPER26

Midcom / Wurth Electronics

2231: ¥51.544--1.396 mH21 mm25 mm--- 40 C to + 125 CGeneral Purpose TransformersRoHS Compliant4 kV16 mmTray25 mm L x 21 mm W x 16 mm HThrough HoleOff-Line Transformer We-Unit1297-106356012 W*--------1.6 Ohms-----60 kHz700 mA25 mm x 21 mm x 16 mm-----
749196530
2
749196530

Power Transformers WE-FLEX Transformer 4.3uH 2.91A TRANSFORMER 4.3UH 1.91A SMD Flex Transformer WE-FLEX EFD20 TRANSFORMER, DC/DC CONV, 4.3UH 1.91A Wurth Elektronik 开关式电源变压器, 4.3μH

Wurth Electronics

231: ¥47.28:No SVHC (20-Jun-2013)850431804.3 uH21 mm21 mm0.01Surface Mount-40°C ~ 125°CControl TransformersLead free / RoHS Compliant500VDC10.8 mmTape & Reel (TR)21.00mm L x 21.00mm WSMD/SMTConfigurable (For DC/DC)732-2451-2240500 VAWE-FLEX:0.03ohmTriple Secondary Winding1.91 A:-SMD/SMTTriple Primary Winding10.80mmFlyback Converters--------------
749196531
2
749196531

Power Transformers WE-FLEX Transformer 9.7uH 2.20A TRANSFORMER 9.7UH 1.7A SMD Flex Transformer WE-FLEX EFD20 TRANSFORMER, DC/DC CONV, 9.7UH 1.7A

Wurth Electronics

101: ¥51.612:No SVHC (20-Jun-2013)850431809.7 uH21 mm21 mm0.01Surface Mount-40°C ~ 125°CControl TransformersLead free / RoHS Compliant500VDC10.8 mmTape & Reel (TR)21.00mm L x 21.00mm WSMD/SMTConfigurable (For DC/DC)732-2456-2240500 VAWE-FLEX:0.071ohmTriple Secondary Winding1.7 A:-SMD/SMTTriple Primary Winding10.80mmFlyback Converters--------------
749196341
3
749196341

Power Transformers WE-FLEX Transformer 7.3uH 1.33A TRANSFORMER 7.9UH .97A SMD Flex pulse transformer,7.9uH TRANSFORMER, DC/DC CONV, 7.9UH 0.97A Wurth Elektronik SMPS 变压器, 7.9μH

Wurth Electronics

211: ¥28.19:No SVHC (20-Jun-2013)850431807.9 uH16 mm17.5 mm0.01Surface Mount-40°C ~ 125°CControl TransformersLead free / RoHS Compliant500VDC8.3 mmTape & Reel (TR)17.50mm L x 16.00mm WSMD/SMTConfigurable (For DC/DC)732-2454-2300500 VAWE-FLEX:0.14ohmTriple Secondary Winding0.97 A:-SMD/SMTTriple Primary Winding8.30mmFlyback Converters--------------
749196540
2
749196540

Power Transformers WE-FLEX Transformer 3.4uH 4.18A TRANSFORMER 3.4UH 1.91A SMD Flex Transformer WE-FLEX EFD20 TRANSFORMER, DC/DC CONV, 3.4UH 1.91A Wurth Elektronik SMPS 变压器, 3.4μH

Wurth Electronics

72120: ¥38.735:No SVHC (20-Jun-2013)850431809.7 uH21 mm21 mm0.01Surface Mount-40°C ~ 125°CControl TransformersLead free / RoHS Compliant500VDC10.8 mmTape & Reel (TR)21.00mm L x 21.00mm WSMD/SMTConfigurable (For DC/DC)732-2450-2120500 VAWE-FLEX:0.03ohmTriple Secondary Winding1.7 A:-SMD/SMTTriple Primary Winding10.80mmFlyback Converters--------------
749196311
2
749196311

Power Transformers WE-FLEX Transformer 23.3uH 0.33A TRANSFORMER 23.3UH .97A SMD Flex Transformer WE-FLEX EFD15 TRANSFORMER, DC/DC CONV 23.3UH 0.97A Wurth Elektronik SMPS 变压器, 23.3μH

Wurth Electronics

521: ¥36.24:No SVHC (20-Jun-2013)8504318023.3 uH16 mm17.5 mm0.01Surface Mount-40°C ~ 125°CControl TransformersLead free / RoHS Compliant500VDC8.3 mmTape & Reel (TR)17.50mm L x 16.00mm WSMD/SMTConfigurable (For DC/DC)732-2449-2300500 VAWE-FLEX:0.14ohmTriple Secondary Winding0.97 A:-SMD/SMTTriple Primary Winding8.30mmFlyback Converters--------------
749196520
2
749196520

Power Transformers WE-FLEX Transformer 5.3uH 2.53A TRANSFORMER 5.3UH 1.91A SMD Flex Transformer WE-FLEX EFD20 TRANSFORMER, DC/DC CONV, 5.3UH 1.91A Wurth Elektronik 开关式电源变压器, 5.3μH

Wurth Electronics

221: ¥44.95:No SVHC (20-Jun-2013)850431805.3 uH21 mm21 mm0.01Surface Mount-40°C ~ 125°CControl TransformersLead free / RoHS Compliant500VDC10.8 mmTape & Reel (TR)21.00mm L x 21.00mm WSMD/SMTConfigurable (For DC/DC)732-2452-2120500 VAWE-FLEX:0.03ohmTriple Secondary Winding1.91 A:-SMD/SMTTriple Primary Winding10.80mmFlyback Converters--------------
750082154
3
750082154

TRANS MODEM CONEXANT SMARTDAA

Wurth Electronics Inc

72071: ¥5.10------------------------------------------
7490100110
7490100110

TRANSFORMER LAN 10/100 SMD

Wurth Electronics Inc

23011: ¥42.908------------------------------------------
749010013
2
749010013

TRANSFORMER LAN 10/100 SMD Transformers Audio & Signal 10/100 Base-T XFMR 1 Port LAN TRANSFORMER, 1 PORT, 350UH, 8MA

Wurth Electronics Inc

1212: ¥14.9178:No SVHC (20-Jun-2013)85049005350 uH7.11 mm12.95 mm0.0011:SMD- 40 C to + 85 CTransformersRoHS Compliant1500 VAC5.33 mmReel12.95 mm L x 7.11 mm W x 5.33 mm HSMD/SMTSurface Mount Transformer------------:-:-:-:5.33mm:Encapsulated:LAN Application500 kHz to 100 MHz8 mA12.95 mm x 7.11 mm x 5.33 mm-000-7090-37R-LF1Transformers Audio & Signal75010/100 Base-T Transformer
749010110
749010110

TRANSFORMER LAN 10/100 SMD

Wurth Electronics Inc

47991: ¥41.82------------------------------------------
749020100
2
749020100

TRANSFORMER LAN 10/100/1000 SMD TRANSFORMER, PCMCIA 1-2 PORT, 350UH

Wurth Electronics Inc

12322: ¥40.80:No SVHC (20-Jun-2013)85049005:350µH:9.4mm:12.83mm0.00034:SMD---------------------:-:-:-:2.16mm:Encapsulated:LAN Application--------
7490100111
7490100111

TRANSFORMER LAN 10/100 SMD

Wurth Electronics Inc

1701: ¥51.00------------------------------------------
749020013
2
749020013

TRANSFORMER LAN 10/100/1000 SMD TRANSFORMER, SMD 1 PORT WE-LAN

Wurth Electronics Inc

1875375: ¥31.4758:No SVHC (20-Jun-2013)85049005:350µH:15.75mm:17.91mm0.0025:SMD:85°C--------------------:-:-:-:5.84mm:Encapsulated:LAN Application--------
749014010
2
749014010

TRANSFORMER WE-LAN MED 10/100BT TRANSFORMER, LAN HV, 10/100BT

Wurth Electronics Inc

300300: ¥36.89:No SVHC (20-Jun-2013)85043180---0.007----------------------:-:-:------------
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