Passive Components – Mouser United Kingdom

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Common Mode Filtering Toroid & Balun Cores

Laird Common Mode Toroid and Balun Cores suppress unintended signals on or being emitted from cables or wires by acting on the magnetic fields surrounding them. If the unintended signals are not addressed, they can interfere with electronics and/or cause a failure to meet government emissions standards or susceptibility regulations. The toroid and balun cores from Laird offer permeability ratings of 125, 850, 1700, or 5000, along with a wide range of frequency options (low, mid, high, and broad) and various coating options (perylene or epoxy).

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
Ferrite Cable Cores FT,NiZn,PC 3.94X2.24X2.54-850 28T0155-00P Laird 100,000: £0.021 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 28T0155-00P Mouser Part No 739-28T0155-00P	Laird	Ferrite Cable Cores FT,NiZn,PC 3.94X2.24X2.54-850 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	£0.021	Min.: 100,000 Mult.: 100,000
Ferrite Cable Cores FT,NiZn,PC 5.84X3.05X1.52-850 28T0231-00P Laird 75,000: £0.04 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. 28T0231-00P Mouser Part No 739-28T0231-00P	Laird	Ferrite Cable Cores FT,NiZn,PC 5.84X3.05X1.52-850 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 14 Weeks	£0.04	Min.: 75,000 Mult.: 75,000
Ferrite Cable Cores FT,NiZn,PC 5.84X3.05X3.05-850 28T0231-10P Laird 40,000: £0.055 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 28T0231-10P Mouser Part No 739-28T0231-10P	Laird	Ferrite Cable Cores FT,NiZn,PC 5.84X3.05X3.05-850 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	£0.055	Min.: 40,000 Mult.: 40,000
Ferrite Cable Cores FT,NiZn,PC 5.84X3.05X3.18-850 28T0231-20P Laird 40,000: £0.056 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 28T0231-20P Mouser Part No 739-28T0231-20P	Laird	Ferrite Cable Cores FT,NiZn,PC 5.84X3.05X3.18-850 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	£0.056	Min.: 40,000 Mult.: 40,000
Ferrite Cable Cores FT,NiZn,PC 7.62x3.18x4.78MMx850* 28T0301-00P Laird 12,000: £0.137 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 28T0301-00P Mouser Part No 739-28T0301-00P	Laird	Ferrite Cable Cores FT,NiZn,PC 7.62x3.18x4.78MMx850* Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	£0.137	Min.: 12,000 Mult.: 12,000
Ferrite Cable Cores FT,NiZn,PC 7.62X3.18X3.18-850 28T0301-10P Laird 20,000: £0.097 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 28T0301-10P Mouser Part No 739-28T0301-10P	Laird	Ferrite Cable Cores FT,NiZn,PC 7.62X3.18X3.18-850 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	£0.097	Min.: 20,000 Mult.: 20,000
Ferrite Cable Cores FT,NiZn,UC 9.53x4.75x4.78MMx850* 28T0375-300 Laird 10,000: £0.18 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 28T0375-300 Mouser Part No 739-28T0375-300	Laird	Ferrite Cable Cores FT,NiZn,UC 9.53x4.75x4.78MMx850* Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	£0.18	Min.: 10,000 Mult.: 10,000
Ferrite Cable Cores FT,NiZn,EC 14.0x9.0x5.0MMx850* 28T0551-00G Laird 4,000: £0.42 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. 28T0551-00G Mouser Part No 739-28T0551-00G	Laird	Ferrite Cable Cores FT,NiZn,EC 14.0x9.0x5.0MMx850* Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 14 Weeks	£0.42	Min.: 4,000 Mult.: 4,000
Ferrite Cable Cores FB.MnZn,PC 9.40X5.35X8.00-5000 35N0372-00P Laird 1: £0.488 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. 35N0372-00P Mouser Part No 739-35N0372-00P	Laird	Ferrite Cable Cores FB.MnZn,PC 9.40X5.35X8.00-5000 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 14 Weeks	£0.488 £0.335 £0.292 £0.261 View £0.23 £0.196 £0.172 £0.157 £0.147	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings FT,MnZn,PC 2.54X1.27X1.27-5000 35T0100-00P Laird 500,000: £0.008 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 35T0100-00P Mouser Part No 739-35T0100-00P	Laird	Ferrite Toroids / Ferrite Rings FT,MnZn,PC 2.54X1.27X1.27-5000 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	£0.008	Min.: 500,000 Mult.: 500,000
Ferrite Toroids / Ferrite Rings FT,MnZn,PC 3.05X1.27X1.27-5000 35T0119-00P Laird 300,000: £0.01 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. 35T0119-00P Mouser Part No 739-35T0119-00P	Laird	Ferrite Toroids / Ferrite Rings FT,MnZn,PC 3.05X1.27X1.27-5000 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 14 Weeks	£0.01	Min.: 300,000 Mult.: 300,000
Ferrite Toroids / Ferrite Rings FT,MnZn,PC 3.43X1.78X1.27-5000 35T0135-00P Laird 300,000: £0.01 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. 35T0135-00P Mouser Part No 739-35T0135-00P	Laird	Ferrite Toroids / Ferrite Rings FT,MnZn,PC 3.43X1.78X1.27-5000 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 14 Weeks	£0.01	Min.: 300,000 Mult.: 300,000
Ferrite Toroids / Ferrite Rings FT,MnZn,PC 3.43X1.78X1.52-5000 35T0135-60P Laird 200,000: £0.01 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 35T0135-60P Mouser Part No 739-35T0135-60P	Laird	Ferrite Toroids / Ferrite Rings FT,MnZn,PC 3.43X1.78X1.52-5000 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	£0.01	Min.: 200,000 Mult.: 200,000
Ferrite Toroids / Ferrite Rings FT,MnZn,PC 3.94x2.24x2.54MMx5000* 35T0155-00P Laird 100,000: £0.017 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. 35T0155-00P Mouser Part No 739-35T0155-00P	Laird	Ferrite Toroids / Ferrite Rings FT,MnZn,PC 3.94x2.24x2.54MMx5000* Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 14 Weeks	£0.017	Min.: 100,000 Mult.: 100,000
Ferrite Toroids / Ferrite Rings FT,MnZn,PC 3.94X2.24X1.27-5000 35T0155-10P Laird 200,000: £0.013 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. 35T0155-10P Mouser Part No 739-35T0155-10P	Laird	Ferrite Toroids / Ferrite Rings FT,MnZn,PC 3.94X2.24X1.27-5000 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 14 Weeks	£0.013	Min.: 200,000 Mult.: 200,000
Ferrite Toroids / Ferrite Rings FT,MnZn,PC 3.94X2.24X2.01-5000 35T0155-20P Laird 150,000: £0.017 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 35T0155-20P Mouser Part No 739-35T0155-20P	Laird	Ferrite Toroids / Ferrite Rings FT,MnZn,PC 3.94X2.24X2.01-5000 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	£0.017	Min.: 150,000 Mult.: 150,000
Ferrite Toroids / Ferrite Rings FT,MnZn,PC 4.85x2.20x1.30x5000* 35T0190-10P Laird 100,000: £0.017 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. 35T0190-10P Mouser Part No 739-35T0190-10P	Laird	Ferrite Toroids / Ferrite Rings FT,MnZn,PC 4.85x2.20x1.30x5000* Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 14 Weeks	£0.017	Min.: 100,000 Mult.: 100,000
Ferrite Toroids / Ferrite Rings FT,MNZN,PC 35T0231-00P Laird 75,000: £0.033 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 35T0231-00P Mouser Part No 739-35T0231-00P	Laird	Ferrite Toroids / Ferrite Rings FT,MNZN,PC Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	£0.033	Min.: 75,000 Mult.: 75,000
Ferrite Toroids / Ferrite Rings FT,MnZn,PC 5.84X3.05X3.05-5000 35T0231-10P Laird 40,000: £0.054 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. 35T0231-10P Mouser Part No 739-35T0231-10P	Laird	Ferrite Toroids / Ferrite Rings FT,MnZn,PC 5.84X3.05X3.05-5000 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 14 Weeks	£0.054	Min.: 40,000 Mult.: 40,000
Ferrite Toroids / Ferrite Rings FT,MnZn,PC 5.84X3.05X3.05-5000 35T0231-10Q Laird 40,000: £0.057 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. 35T0231-10Q Mouser Part No 739-35T0231-10Q	Laird	Ferrite Toroids / Ferrite Rings FT,MnZn,PC 5.84X3.05X3.05-5000 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 14 Weeks	£0.057	Min.: 40,000 Mult.: 40,000
Ferrite Toroids / Ferrite Rings FT,MnZn,PC 5.84X3.05X3.18-5000 35T0231-20P Laird 40,000: £0.057 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. 35T0231-20P Mouser Part No 739-35T0231-20P	Laird	Ferrite Toroids / Ferrite Rings FT,MnZn,PC 5.84X3.05X3.18-5000 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 14 Weeks	£0.057	Min.: 40,000 Mult.: 40,000
Ferrite Toroids / Ferrite Rings FT,MnZn,PC 5.84X3.05X2.54-5000 35T0231-30P Laird 40,000: £0.05 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. 35T0231-30P Mouser Part No 739-35T0231-30P	Laird	Ferrite Toroids / Ferrite Rings FT,MnZn,PC 5.84X3.05X2.54-5000 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 14 Weeks	£0.05	Min.: 40,000 Mult.: 40,000
Ferrite Toroids / Ferrite Rings FT,MnZn,PC 6.50x2.46x4.01mmx5000* 35T0255-10P Laird 20,000: £0.125 Non-Stocked	Mfr. Part No. 35T0255-10P Mouser Part No 739-35T0255-10P	Laird	Ferrite Toroids / Ferrite Rings FT,MnZn,PC 6.50x2.46x4.01mmx5000* Learn More about Laird common mode cores	Datasheet	Non-Stocked	£0.125	Min.: 20,000 Mult.: 20,000
Ferrite Toroids / Ferrite Rings FT,MnZn,EC 7.62x3.18x4.78MMx5000* 35T0301-00G Laird 15,000: £0.134 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. 35T0301-00G Mouser Part No 739-35T0301-00G	Laird	Ferrite Toroids / Ferrite Rings FT,MnZn,EC 7.62x3.18x4.78MMx5000* Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 14 Weeks	£0.134	Min.: 15,000 Mult.: 15,000
Ferrite Toroids / Ferrite Rings FT,MnZn,PC 7.62X3.18X4.78-5000 35T0301-00P Laird 15,000: £0.098 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. 35T0301-00P Mouser Part No 739-35T0301-00P	Laird	Ferrite Toroids / Ferrite Rings FT,MnZn,PC 7.62X3.18X4.78-5000 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 14 Weeks	£0.098	Min.: 15,000 Mult.: 15,000

Common Mode Filtering Toroid & Balun Cores

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Common Mode Filtering Toroid & Balun Cores

Types of Passive Components