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STAR-TEC Snap Ferrites with Safety Key Technology

Würth Elektronik STAR-TEC Snap Ferrites with Safety Key Technology feature both the WE-STAR-TEC and WE-STAR-TEC LFS series. The STAR-TEC ferrites utilize a NiZn core for supplementary interference suppression in the 1MHz to 1GHz range. The STAR-TEC LFS series utilizes an MnZn core for a low-frequency suppression range from 300kHz to 20MHz. Both STAR-TEC snap ferrite series are designed to be user-friendly. Würth Elektronik STAR-TEC and STAR-TEC LFS Snap Ferrites with Safety Key Technology operate in the -25°C to +105°C temperature range.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Product Type	Product	Type	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Packaging
Ferrite Cable Cores WE-TEFA Toroidal EMI Suppress Ferrite 782114075063 Wurth Elektronik 1: 0,258 € 12.409In Stock	Mfr. Part No. 782114075063 Mouser Part No 710-782114075063	Wurth Elektronik	Ferrite Cable Cores WE-TEFA Toroidal EMI Suppress Ferrite Learn More about Wurth Elektronik wurth we tefa ferrites	Datasheet	12.409In Stock	0,258 € 0,241 € 0,219 € 0,198 € View 0,172 € 0,171 € 0,17 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Round Cable Cores Solid	Ferrite Bead Core	- 55 C	+ 140 C		Bulk
Ferrite Clamp On Cores STAR-TEC LFS Snap Ferrite 35 Ohms 7.0-8.5 mm Black 74272132S Wurth Elektronik 1: 4,47 € 768In Stock 228On Order New Product	Mfr. Part No. 74272132S Mouser Part No 710-74272132S New Product	Wurth Elektronik	Ferrite Clamp On Cores STAR-TEC LFS Snap Ferrite 35 Ohms 7.0-8.5 mm Black Learn More about Wurth Elektronik wurth star tec snap ferrite	Datasheet	768In Stock 228On Order	4,47 € 4,11 € 3,76 € 3,40 € 2,86 €	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrites		- 50 C	+ 105 C		Tray
Ferrite Clamp On Cores STAR-TEC Snap Ferrite 178 Ohms 2.0-3.0 mm Black Black 74271140S Wurth Elektronik 1: 3,36 € 75In Stock 56Expected 10/23/2026 New Product	Mfr. Part No. 74271140S Mouser Part No 710-74271140S New Product	Wurth Elektronik	Ferrite Clamp On Cores STAR-TEC Snap Ferrite 178 Ohms 2.0-3.0 mm Black Black Learn More about Wurth Elektronik wurth star tec snap ferrite	Datasheet	75In Stock 56Expected 10/23/2026	3,36 € 2,73 € 2,29 € 2,06 €	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrites		- 50 C	+ 105 C		Tray
Ferrite Clamp On Cores STAR-TEC LFS Snap Ferrite 35 Ohms 3.5-5.0mm Grey 74272111 Wurth Elektronik 1: 4,47 € 63In Stock 114Expected 10/23/2026 New Product	Mfr. Part No. 74272111 Mouser Part No 710-74272111 New Product	Wurth Elektronik	Ferrite Clamp On Cores STAR-TEC LFS Snap Ferrite 35 Ohms 3.5-5.0mm Grey Learn More about Wurth Elektronik wurth star tec snap ferrite	Datasheet	63In Stock 114Expected 10/23/2026	4,47 € 4,11 € 3,76 € 3,40 € View 3,06 € 2,99 € 2,87 €	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrites		- 50 C	+ 105 C		Tray
Ferrite Clamp On Cores STAR-TEC LFS Snap Ferrite 35 Ohms 3.5-5.0mm Black 74272111S Wurth Elektronik 1: 4,25 € 58In Stock New Product	Mfr. Part No. 74272111S Mouser Part No 710-74272111S New Product	Wurth Elektronik	Ferrite Clamp On Cores STAR-TEC LFS Snap Ferrite 35 Ohms 3.5-5.0mm Black Learn More about Wurth Elektronik wurth star tec snap ferrite	Datasheet	58In Stock	4,25 € 3,91 € 3,58 € 3,23 € 2,79 €	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrites		- 50 C	+ 105 C		Tray
Ferrite Clamp On Cores STAR-TEC LFS Snap Ferrite 35 Ohms 4.5-6.0mm Grey 74272112 Wurth Elektronik 1: 4,25 € 143In Stock New Product	Mfr. Part No. 74272112 Mouser Part No 710-74272112 New Product	Wurth Elektronik	Ferrite Clamp On Cores STAR-TEC LFS Snap Ferrite 35 Ohms 4.5-6.0mm Grey Learn More about Wurth Elektronik wurth star tec snap ferrite	Datasheet	143In Stock	4,25 € 3,91 € 3,23 € 2,79 €	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrites		- 50 C	+ 105 C		Tray
Ferrite Clamp On Cores STAR-TEC LFS Snap Ferrite 35 Ohms 4.5-6.0mm Black 74272112S Wurth Elektronik 1: 4,25 € 72In Stock New Product	Mfr. Part No. 74272112S Mouser Part No 710-74272112S New Product	Wurth Elektronik	Ferrite Clamp On Cores STAR-TEC LFS Snap Ferrite 35 Ohms 4.5-6.0mm Black Learn More about Wurth Elektronik wurth star tec snap ferrite	Datasheet	72In Stock	4,25 € 3,91 € 3,58 € 3,23 € 2,79 €	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrites		- 50 C	+ 105 C		Tray
Ferrite Clamp On Cores STAR-TEC LFS Snap Ferrite 35 Ohms 6.0-7.5 mm Black 74272131S Wurth Elektronik 1: 4,25 € 258In Stock New Product	Mfr. Part No. 74272131S Mouser Part No 710-74272131S New Product	Wurth Elektronik	Ferrite Clamp On Cores STAR-TEC LFS Snap Ferrite 35 Ohms 6.0-7.5 mm Black Learn More about Wurth Elektronik wurth star tec snap ferrite	Datasheet	258In Stock	4,25 € 3,91 € 3,23 € 2,79 €	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrites		- 50 C	+ 105 C		Tray
Ferrite Clamp On Cores STAR-TEC LFS Snap Ferrite 17 Ohms 2.0-3.0 mm Grey 74272140 Wurth Elektronik 1: 3,15 € 90In Stock New Product	Mfr. Part No. 74272140 Mouser Part No 710-74272140 New Product	Wurth Elektronik	Ferrite Clamp On Cores STAR-TEC LFS Snap Ferrite 17 Ohms 2.0-3.0 mm Grey Learn More about Wurth Elektronik wurth star tec snap ferrite	Datasheet	90In Stock	3,15 € 2,54 € 2,12 € 1,93 €	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrites		- 50 C	+ 105 C		Tray
Ferrite Clamp On Cores STAR-TEC LFS Snap Ferrite 17 Ohms 2.0-3.0 mm Black 74272140S Wurth Elektronik 1: 3,15 € 91In Stock New Product	Mfr. Part No. 74272140S Mouser Part No 710-74272140S New Product	Wurth Elektronik	Ferrite Clamp On Cores STAR-TEC LFS Snap Ferrite 17 Ohms 2.0-3.0 mm Black Learn More about Wurth Elektronik wurth star tec snap ferrite	Datasheet	91In Stock	3,15 € 2,54 € 2,12 € 1,93 €	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrites		- 50 C	+ 105 C		Tray
Ferrite Clamp On Cores STAR-TEC LFS Snap Ferrite 20 Ohms 3.5-5.0 mm Black 74272142S Wurth Elektronik 1: 4,25 € 127In Stock New Product	Mfr. Part No. 74272142S Mouser Part No 710-74272142S New Product	Wurth Elektronik	Ferrite Clamp On Cores STAR-TEC LFS Snap Ferrite 20 Ohms 3.5-5.0 mm Black Learn More about Wurth Elektronik wurth star tec snap ferrite	Datasheet	127In Stock	4,25 € 3,91 € 3,58 € 3,23 € 2,79 €	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrites		- 50 C	+ 105 C		Tray
Ferrite Clamp On Cores STAR-TEC LFS Snap Ferrite 73 Ohms 12.0-15.0 mm Black 74272151S Wurth Elektronik 1: 8,08 € 42In Stock 24Expected 11/6/2026 New Product	Mfr. Part No. 74272151S Mouser Part No 710-74272151S New Product	Wurth Elektronik	Ferrite Clamp On Cores STAR-TEC LFS Snap Ferrite 73 Ohms 12.0-15.0 mm Black Learn More about Wurth Elektronik wurth star tec snap ferrite	Datasheet	42In Stock 24Expected 11/6/2026	8,08 € 7,70 € 7,34 € 6,54 €	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrites		- 50 C	+ 105 C		Tray
Ferrite Clamp On Cores STAR-TEC LFS Snap Ferrite 94 Ohms 17.0-21.0 mm Black 74272211S Wurth Elektronik 1: 22,72 € 44In Stock New Product	Mfr. Part No. 74272211S Mouser Part No 710-74272211S New Product	Wurth Elektronik	Ferrite Clamp On Cores STAR-TEC LFS Snap Ferrite 94 Ohms 17.0-21.0 mm Black Learn More about Wurth Elektronik wurth star tec snap ferrite	Datasheet	44In Stock	22,72 € 18,20 € 17,22 € 14,34 €	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrites		- 50 C	+ 105 C		Tray
Ferrite Clamp On Cores STAR-TEC LFS Snap Ferrite 45 Ohms 8.5-10.5 mm Black 74272221S Wurth Elektronik 1: 7,51 € 230In Stock New Product	Mfr. Part No. 74272221S Mouser Part No 710-74272221S New Product	Wurth Elektronik	Ferrite Clamp On Cores STAR-TEC LFS Snap Ferrite 45 Ohms 8.5-10.5 mm Black Learn More about Wurth Elektronik wurth star tec snap ferrite	Datasheet	230In Stock	7,51 € 6,88 € 6,25 € 5,32 €	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrites		- 50 C	+ 105 C		Tray
Ferrite Clamp On Cores STAR-TEC LFS Snap Ferrite 45 Ohms 10.5-12.5 mm Black 74272222S Wurth Elektronik 1: 7,51 € 146In Stock New Product	Mfr. Part No. 74272222S Mouser Part No 710-74272222S New Product	Wurth Elektronik	Ferrite Clamp On Cores STAR-TEC LFS Snap Ferrite 45 Ohms 10.5-12.5 mm Black Learn More about Wurth Elektronik wurth star tec snap ferrite	Datasheet	146In Stock	7,51 € 6,88 € 6,25 € 5,32 €	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrites		- 50 C	+ 105 C		Tray
Ferrite Clamp On Cores Black Color LFS Snap Ferrite with Safety Key Technology 74272251S Wurth Elektronik 1: 22,72 € 54In Stock 76On Order New Product	Mfr. Part No. 74272251S Mouser Part No 710-74272251S New Product	Wurth Elektronik	Ferrite Clamp On Cores Black Color LFS Snap Ferrite with Safety Key Technology Learn More about Wurth Elektronik wurth star tec snap ferrite	Datasheet	54In Stock 76On Order On Order Ship Dates Mfr. No: 74272251S Stock: 54 Can Dispatch Immediately On Order: 4 Pending 72 Expected 10/23/2026 Factory Lead Time: 24 Weeks	22,72 € 18,20 € 17,22 € 16,77 €	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Snap Ferrites	Snap Ferrite with Safety Key	- 55 C	+ 105 C		Tray
Ferrite Clamp On Cores STAR-TEC Snap Grey 25MHz 175Ohm 74271111 Wurth Elektronik 1: 3,77 € 8.066In Stock	Mfr. Part No. 74271111 Mouser Part No 710-74271111	Wurth Elektronik	Ferrite Clamp On Cores STAR-TEC Snap Grey 25MHz 175Ohm Learn More about Wurth Elektronik wurth star tec snap ferrite	Datasheet	8.066In Stock	3,77 € 3,72 € 3,45 € 3,33 € 3,07 €	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrites	Cable Single	- 25 C	+ 105 C	Cable	Tray
Ferrite Clamp On Cores STAR-TEC Snap White 25MHz 176Ohm 74271112 Wurth Elektronik 1: 3,77 € 18.830In Stock 190On Order	Mfr. Part No. 74271112 Mouser Part No 710-74271112	Wurth Elektronik	Ferrite Clamp On Cores STAR-TEC Snap White 25MHz 176Ohm Learn More about Wurth Elektronik wurth star tec snap ferrite	Datasheet	18.830In Stock 190On Order	3,77 € 3,72 € 3,45 € 3,33 € 3,07 €	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrites	Cable Single	- 25 C	+ 105 C	Cable	Tray
Ferrite Clamp On Cores STAR-TEC Snap Black 25MHz 176Ohm 74271112S Wurth Elektronik 1: 3,77 € 22.061In Stock 3.914Expected 10/23/2026	Mfr. Part No. 74271112S Mouser Part No 710-74271112S	Wurth Elektronik	Ferrite Clamp On Cores STAR-TEC Snap Black 25MHz 176Ohm Learn More about Wurth Elektronik wurth star tec snap ferrite	Datasheet	22.061In Stock 3.914Expected 10/23/2026	3,77 € 3,72 € 3,45 € 3,33 € 3,07 €	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrites	Cable Single	- 25 C	+ 105 C	Cable	Tray
Ferrite Clamp On Cores STAR-TEC Snap White 25MHz 145Ohm 74271131 Wurth Elektronik 1: 4,09 € 12.501In Stock 9.822On Order	Mfr. Part No. 74271131 Mouser Part No 710-74271131	Wurth Elektronik	Ferrite Clamp On Cores STAR-TEC Snap White 25MHz 145Ohm Learn More about Wurth Elektronik wurth star tec snap ferrite	Datasheet	12.501In Stock 9.822On Order On Order Ship Dates Mfr. No: 74271131 Stock: 12.501 Can Dispatch Immediately On Order: 38 Expected 10/2/2026 7.182 Expected 10/16/2026 2.602 Expected 10/29/2026 Factory Lead Time: 27 Weeks	4,09 € 4,02 € 3,75 € 3,60 € 3,33 €	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrites	Cable Single	- 25 C	+ 105 C	Cable	Tray
Ferrite Clamp On Cores STAR-TEC Snap Black 25MHz 141Ohm 74271132S Wurth Elektronik 1: 4,39 € 6.475In Stock 228On Order	Mfr. Part No. 74271132S Mouser Part No 710-74271132S	Wurth Elektronik	Ferrite Clamp On Cores STAR-TEC Snap Black 25MHz 141Ohm Learn More about Wurth Elektronik wurth star tec snap ferrite	Datasheet	6.475In Stock 228On Order	4,39 € 4,33 € 4,03 € 3,89 € 3,59 €	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrites	Cable Single	- 25 C	+ 105 C	Cable	Tray
Ferrite Clamp On Cores STAR-TEC Snap Grey 25MHz 98Ohm 74271142 Wurth Elektronik 1: 3,88 € 16.132In Stock 56On Order	Mfr. Part No. 74271142 Mouser Part No 710-74271142	Wurth Elektronik	Ferrite Clamp On Cores STAR-TEC Snap Grey 25MHz 98Ohm Learn More about Wurth Elektronik wurth star tec snap ferrite	Datasheet	16.132In Stock 56On Order	3,88 € 3,82 € 3,56 € 3,43 € 3,16 €	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrites	Cable Single	- 25 C	+ 105 C	Cable	Tray
Ferrite Clamp On Cores STAR-TEC Snap Grey 100MHz 417Ohms 74271151 Wurth Elektronik 1: 11,62 € 2.769In Stock 480Expected 10/23/2026	Mfr. Part No. 74271151 Mouser Part No 710-74271151	Wurth Elektronik	Ferrite Clamp On Cores STAR-TEC Snap Grey 100MHz 417Ohms Learn More about Wurth Elektronik wurth star tec snap ferrite	Datasheet	2.769In Stock 480Expected 10/23/2026	11,62 € 10,61 € 9,61 € 8,69 €	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Snap Ferrites	Cable Single	- 25 C	+ 105 C	Cable	Tray
Ferrite Clamp On Cores STAR-TEC Snap Grey 100MHz 425Ohms 74271211 Wurth Elektronik 1: 17,24 € 1.964In Stock 674Expected 10/16/2026	Mfr. Part No. 74271211 Mouser Part No 710-74271211	Wurth Elektronik	Ferrite Clamp On Cores STAR-TEC Snap Grey 100MHz 425Ohms Learn More about Wurth Elektronik wurth star tec snap ferrite	Datasheet	1.964In Stock 674Expected 10/16/2026	17,24 € 14,38 € 12,50 € 11,50 €	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrites	Cable Single	- 25 C	+ 105 C	Press Fit	Bulk
Ferrite Clamp On Cores STAR-TEC Snap White 25MHz 151Ohm 74271221 Wurth Elektronik 1: 5,03 € 4.761In Stock 3.588Expected 10/16/2026	Mfr. Part No. 74271221 Mouser Part No 710-74271221	Wurth Elektronik	Ferrite Clamp On Cores STAR-TEC Snap White 25MHz 151Ohm Learn More about Wurth Elektronik wurth star tec snap ferrite	Datasheet	4.761In Stock 3.588Expected 10/16/2026	5,03 € 4,95 € 4,61 € 4,44 € 4,10 €	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrites	Cable Single	- 25 C	+ 105 C	Cable	Tray

STAR-TEC Snap Ferrites with Safety Key Technology

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