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Würth Elektronik GmbH & Co. KG

Würth Elektronik GmbH & Co. KG- Transformers & Autotransformers

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

Transformers & Autotransformers - 型号列表

31 parts in total

Inductance

DC Resistance (DCR)

ET (Volt-Time)

Turns Ratio - Primary:Secondary

Constant Current Load - Max

Packaging

Mounting Type

Size / Dimension

Height - Seated (Max)

Type

Series

Current Rating (Amps)

Mfr Part #Quantity AvailablePriceMounting TypeInductanceDC Resistance (DCR)PackagingSize / DimensionHeight - Seated (Max)TypeSeriesRatingsPart StatusManufacturerCurrent RatioET (Volt-Time)Frequency RangeTermination StyleCurrent Rating (Amps)Turns Ratio - Primary:SecondaryWeightSVHCTariff NoCurrentConstant Current Load - MaxOther NamesStandard PackageFrequencyVoltage - PrimaryVoltage - IsolationApplicationsIntended ChipsetChipset ManufacturerOperating Temperature
749251030
2
749251030

TRANSFORMER WE-CST 180UH 10A SMD TRANSFORMER, WE-CST, 180UH 10A 1:30

Wurth Electronics Inc

291: ¥18.12:Surface Mount:180µH:0.48ohm--------------0.0005:No SVHC (20-Jun-2013)85043180:10A:15V/µs---------
749251060
2
749251060

TRANSFORMER WE-CST 720UH 10A SMD TRANSFORMER, WE-CST, 720UH 10A 1:60

Wurth Electronics Inc

121: ¥18.12:Surface Mount:720µH:1.75ohm--------------0.0005:No SVHC (20-Jun-2013)85043180:10A:30V/µs---------
749251070
2
749251070

TRANSFORMER WE-CST 980UH 10A SMD TRANSFORMER, WE-CST, 980UH 10A 1:70

Wurth Electronics Inc

1221: ¥45.30:Surface Mount:980µH:2.2ohm--------------0.0005:No SVHC (20-Jun-2013)85043180:10A:35V/µs---------
749251020
2
749251020

TRANSFORMER WE-CST 80UH 10A SMD TRANSFORMER, WE-CST, 80UH 10A 1:20

Wurth Electronics Inc

821: ¥18.12:Surface Mount:80µH:0.2ohm--------------0.0005:No SVHC (20-Jun-2013)85043180:10A:10V/µs---------
749251040
2
749251040

TRANSFORMER WE-CST 320UH 10A SMD TRANSFORMER, WE-CST, 320UH 10A 1:40

Wurth Electronics Inc

451: ¥27.18:Surface Mount:320µH:0.9ohm--------------0.0005:No SVHC (20-Jun-2013)85043180:10A:20V/µs---------
749251050
2
749251050

TRANSFORMER WE-CST 500UH 10A SMD TRANSFORMER, WE-CST, 500UH 10A 1:50

Wurth Electronics Inc

411: ¥18.12:Surface Mount:500µH:1.4ohm--------------0.0005:No SVHC (20-Jun-2013)85043180:10A:25V/µs---------
749251100
2
749251100

TRANSFORMR WE-CST 2000UH 10A SMD TRANSFORMER, WE-CST,2000UH 10A 1:100

Wurth Electronics Inc

7041: ¥43.0794:Surface Mount:2mH:5.5ohm--------------0.0005:No SVHC (20-Jun-2013)85043180:10A:50V/µs---------
749251125
2
749251125

TRANSFORMR WE-CST 3000UH 10A SMD TRANSFORMER, WE-CST 3000UH 10A 1:125

Wurth Electronics Inc

221: ¥27.18:Surface Mount:3mH:6.5ohm--------------0.0005:No SVHC (20-Jun-2013)85043180:10A:68V/µs---------
750811630
750811630

TRANS OFF LINE POWER PI TOP258

Wurth Electronics Inc

1811: ¥79.424Through Hole--Tray31.00mm L x 31.00mm W25.00mmFor AC/DC Converters---------------732-2251165132kHz120 ~ 375V4000VrmsFlyback ConvertersTOP258Power Integrations-40°C ~ 125°C
749252020
749252020

. 749252020 - 7 A 1:20 Current Sense Transformer 1MHz 3mOhm Primary, 350mOhm Secondary 33 µH Surface Mount from Würth Elektronik. from now!

Würth Elektronik GmbH & Co. KG

102000: ¥11.6961Surface Mount33 µH3mOhm Primary, 350mOhm SecondaryTape & Reel (TR), Cut Tape (CT)0.185" L x 0.183" W (4.70mm x 4.65mm)0.140" (3.55mm)InvasiveWE-CST-ActiveWürth Elektronik-9VµS1MHzGull Wing7 A1:20--------------
749252030
749252030

. 749252030 - 7 A 1:30 Current Sense Transformer 1MHz 3mOhm Primary, 800mOhm Secondary 74 µH Surface Mount from Würth Elektronik. from now!

Würth Elektronik GmbH & Co. KG

102000: ¥11.6961Surface Mount74 µH3mOhm Primary, 800mOhm SecondaryTape & Reel (TR), Cut Tape (CT)0.185" L x 0.183" W (4.70mm x 4.65mm)0.140" (3.55mm)InvasiveWE-CST-ActiveWürth Elektronik-13.5VµS1MHzGull Wing7 A1:30--------------
749252040
749252040

. 749252040 - 7 A 1:40 Current Sense Transformer 1MHz 3mOhm Primary, 1.6Ohm Secondary 132 µH Surface Mount from Würth Elektronik. from now!

Würth Elektronik GmbH & Co. KG

102000: ¥11.6961Surface Mount132 µH3mOhm Primary, 1.6Ohm SecondaryTape & Reel (TR)0.185" L x 0.183" W (4.70mm x 4.65mm)0.140" (3.55mm)InvasiveWE-CST-ActiveWürth Elektronik-18VµS1MHzGull Wing7 A1:40--------------
749252050
749252050

. 749252050 - 7 A 1:50 Current Sense Transformer 1MHz 3mOhm Primary, 2.5Ohm Secondary 205 µH Surface Mount from Würth Elektronik. from now!

Würth Elektronik GmbH & Co. KG

102000: ¥11.6961Surface Mount205 µH3mOhm Primary, 2.5Ohm SecondaryTape & Reel (TR), Cut Tape (CT)0.185" L x 0.183" W (4.70mm x 4.65mm)0.140" (3.55mm)InvasiveWE-CST-ActiveWürth Elektronik-22.5VµS1MHzGull Wing7 A1:50--------------
749252060
749252060

. 749252060 - 7 A 1:60 Current Sense Transformer 1MHz 3mOhm Primary, 3.6Ohm Secondary 295 µH Surface Mount from Würth Elektronik. from now!

Würth Elektronik GmbH & Co. KG

102000: ¥11.6961Surface Mount295 µH3mOhm Primary, 3.6Ohm SecondaryTape & Reel (TR), Cut Tape (CT)0.185" L x 0.183" W (4.70mm x 4.65mm)0.140" (3.55mm)InvasiveWE-CST-ActiveWürth Elektronik-27VµS1MHzGull Wing7 A1:60--------------
749252070
749252070

. 749252070 - 7 A 1:70 Current Sense Transformer 1MHz 3mOhm Primary, 4.6Ohm Secondary 400 µH Surface Mount from Würth Elektronik. from now!

Würth Elektronik GmbH & Co. KG

102000: ¥11.6961Surface Mount400 µH3mOhm Primary, 4.6Ohm SecondaryTape & Reel (TR)0.185" L x 0.183" W (4.70mm x 4.65mm)0.140" (3.55mm)InvasiveWE-CST-ActiveWürth Elektronik-31.5VµS1MHzGull Wing7 A1:70--------------
749252100
749252100

. 749252100 - 7 A 1:100 Current Sense Transformer 1MHz 3mOhm Primary, 9.5Ohm Secondary 820 µH Surface Mount from Würth Elektronik. from now!

Würth Elektronik GmbH & Co. KG

12852000: ¥11.1113Surface Mount820 µH3mOhm Primary, 9.5Ohm SecondaryTape & Reel (TR), Cut Tape (CT), Digi-Reel®0.185" L x 0.183" W (4.70mm x 4.65mm)0.140" (3.55mm)InvasiveWE-CST-ActiveWürth Elektronik-45VµS1MHzGull Wing7 A1:100--------------
749252125
749252125

. 749252125 - 7 A 1:125 Current Sense Transformer 1MHz 3mOhm Primary, 13Ohm Secondary 1.28 mH Surface Mount from Würth Elektronik. from now!

Würth Elektronik GmbH & Co. KG

102000: ¥11.6961Surface Mount1.28 mH3mOhm Primary, 13Ohm SecondaryTape & Reel (TR), Cut Tape (CT)0.185" L x 0.183" W (4.70mm x 4.65mm)0.140" (3.55mm)InvasiveWE-CST-ActiveWürth Elektronik-56.2VµS1MHzGull Wing7 A1:125--------------
749252150
749252150

. 749252150 - 7 A 1:150 Current Sense Transformer 1MHz 3mOhm Primary, 21Ohm Secondary 1.8 mH Surface Mount from Würth Elektronik. from now!

Würth Elektronik GmbH & Co. KG

102000: ¥11.6961Surface Mount1.8 mH3mOhm Primary, 21Ohm SecondaryTape & Reel (TR), Cut Tape (CT)0.185" L x 0.183" W (4.70mm x 4.65mm)0.140" (3.55mm)InvasiveWE-CST-ActiveWürth Elektronik-67.5VµS1MHzGull Wing7 A1:150--------------
7492540020
7492540020

. 7492540020 - 40 A 1:20 Current Sense Transformer 1MHz 0.28mOhm Primary, 33mOhm Secondary 224 µH Surface Mount from Würth Elektronik. from now!

Würth Elektronik GmbH & Co. KG

203225: ¥22.2994Surface Mount224 µH0.28mOhm Primary, 33mOhm SecondaryTape & Reel (TR), Cut Tape (CT), Digi-Reel®0.570" L x 0.524" W (14.48mm x 13.30mm)0.413" (10.50mm)InvasiveMID-CSTAEC-Q200ActiveWürth Elektronik-49Vµs1MHzGull Wing40 A1:20--------------
7492540030
7492540030

. 7492540030 - 40 A 1:30 Current Sense Transformer 1MHz 0.28mOhm Primary, 93mOhm Secondary 504 µH Surface Mount from Würth Elektronik. from now!

Würth Elektronik GmbH & Co. KG

395225: ¥22.2994Surface Mount504 µH0.28mOhm Primary, 93mOhm SecondaryTape & Reel (TR), Cut Tape (CT), Digi-Reel®0.570" L x 0.524" W (14.48mm x 13.30mm)0.413" (10.50mm)InvasiveMID-CSTAEC-Q200ActiveWürth Elektronik-74Vµs1MHzGull Wing40 A1:30--------------
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