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 Toroids / Ferrite Rings FT,MnZn,PC 3.43X1.78X2.06-5000 35T0135-10P Laird 1: £0.15 262,308In Stock	Mfr. Part No. 35T0135-10P Mouser Part No 739-35T0135-10P	Laird	Ferrite Toroids / Ferrite Rings FT,MnZn,PC 3.43X1.78X2.06-5000 Learn More about Laird common mode cores	Datasheet	262,308In Stock	£0.15 £0.036 £0.031 £0.025 View £0.023 £0.019 £0.017 £0.013 £0.011	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings FT,MNZN,EC 35T1000-00H Laird 1: £6.08 360In Stock	Mfr. Part No. 35T1000-00H Mouser Part No 739-35T1000-00H	Laird	Ferrite Toroids / Ferrite Rings FT,MNZN,EC Learn More about Laird common mode cores	Datasheet	360In Stock	£6.08 £4.22 £3.38 £3.08 £2.75	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings FT,MnZn,EC 12.70X7.92X6.35-5000 35T0500-10H Laird 1: £0.766 3,068In Stock	Mfr. Part No. 35T0500-10H Mouser Part No 739-35T0500-10H	Laird	Ferrite Toroids / Ferrite Rings FT,MnZn,EC 12.70X7.92X6.35-5000 Learn More about Laird common mode cores	Datasheet	3,068In Stock	£0.766 £0.528 £0.454 £0.403 View £0.356 £0.299 £0.279 £0.254 £0.253	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings FT,MnZn,EC 12.70X7.14X6.35-5000 35T0501-10H Laird 1: £0.834 2,924In Stock	Mfr. Part No. 35T0501-10H Mouser Part No 739-35T0501-10H	Laird	Ferrite Toroids / Ferrite Rings FT,MnZn,EC 12.70X7.14X6.35-5000 Learn More about Laird common mode cores	Datasheet	2,924In Stock	£0.834 £0.583 £0.501 £0.445 View £0.393 £0.329 £0.32 £0.29 £0.289	Min.: 1 Mult.: 1
Ferrite Cable Cores FT,NiZn,PC 3.94X2.24X1.27-850 28T0155-10P Laird 1: £0.135 199,700In Stock	Mfr. Part No. 28T0155-10P Mouser Part No 739-28T0155-10P	Laird	Ferrite Cable Cores FT,NiZn,PC 3.94X2.24X1.27-850 Learn More about Laird common mode cores	Datasheet	199,700In Stock	£0.135 £0.061 £0.052 £0.043 View £0.037 £0.032 £0.03 £0.022 £0.019	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings FT,MnZn,EC,Black 9.53x4.75x3.18mmx5000. 35T0375-10H Laird 1: £0.405 1,662In Stock	Mfr. Part No. 35T0375-10H Mouser Part No 739-35T0375-10H	Laird	Ferrite Toroids / Ferrite Rings FT,MnZn,EC,Black 9.53x4.75x3.18mmx5000. Learn More about Laird common mode cores	Datasheet	1,662In Stock	£0.405 £0.278 £0.243 £0.215 View £0.19 £0.162 £0.142 £0.127 £0.123	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings FT,MnZn,EC 12.70X7.14X4.78-5000 35T0501-00H Laird 1: £0.563 1,352In Stock	Mfr. Part No. 35T0501-00H Mouser Part No 739-35T0501-00H	Laird	Ferrite Toroids / Ferrite Rings FT,MnZn,EC 12.70X7.14X4.78-5000 Learn More about Laird common mode cores	Datasheet	1,352In Stock	£0.563 £0.39 £0.337 £0.30 View £0.266 £0.226 £0.198 £0.18	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings FT,MNZN,EC 35T1417-00H Laird 1: £7.00 235In Stock	Mfr. Part No. 35T1417-00H Mouser Part No 739-35T1417-00H	Laird	Ferrite Toroids / Ferrite Rings FT,MNZN,EC Learn More about Laird common mode cores	Datasheet	235In Stock	£7.00 £4.97 £3.94 £3.69 £3.63	Min.: 1 Mult.: 1
Ferrite Cable Cores FB,NiZn,PC3.48x2.03x1.52x125* 25N0136-10P Laird 300,000: £0.015 Non-Stocked	Mfr. Part No. 25N0136-10P Mouser Part No 739-25N0136-10P	Laird	Ferrite Cable Cores FB,NiZn,PC3.48x2.03x1.52x125* Learn More about Laird common mode cores	Datasheet	Non-Stocked	£0.015	Min.: 300,000 Mult.: 300,000
Ferrite Cable Cores FB,NiZn,PC7.04X4.06X6.20-125 25N0277-00P Laird 10,000: £0.131 Non-Stocked	Mfr. Part No. 25N0277-00P Mouser Part No 739-25N0277-00P	Laird	Ferrite Cable Cores FB,NiZn,PC7.04X4.06X6.20-125 Learn More about Laird common mode cores	Datasheet	Non-Stocked	£0.131	Min.: 10,000 Mult.: 10,000
Ferrite Cable Cores FT,NiZn,PC3.43X1.78X1.52-125 25T0135-60P Laird 200,000: £0.014 Non-Stocked	Mfr. Part No. 25T0135-60P Mouser Part No 739-25T0135-60P	Laird	Ferrite Cable Cores FT,NiZn,PC3.43X1.78X1.52-125 Learn More about Laird common mode cores	Datasheet	Non-Stocked	£0.014	Min.: 200,000 Mult.: 200,000
Ferrite Cable Cores FT,NiZn,PC3.96x2.21x1.30x125* 25T0155-10P Laird 200,000: £0.016 Non-Stocked	Mfr. Part No. 25T0155-10P Mouser Part No 739-25T0155-10P	Laird	Ferrite Cable Cores FT,NiZn,PC3.96x2.21x1.30x125* Learn More about Laird common mode cores	Datasheet	Non-Stocked	£0.016	Min.: 200,000 Mult.: 200,000
Ferrite Cable Cores FT,NiZn,UC 5.1x1.70x6.35MMx125U 25T0202-000 Laird 15,000: £0.078 Non-Stocked	Mfr. Part No. 25T0202-000 Mouser Part No 739-25T0202-000	Laird	Ferrite Cable Cores FT,NiZn,UC 5.1x1.70x6.35MMx125U Learn More about Laird common mode cores	Datasheet	Non-Stocked	£0.078	Min.: 15,000 Mult.: 15,000
Ferrite Cable Cores FT,NiZn,PC 2.54X1.27X1.27-850 28T0100-00P Laird 500,000: £0.006 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 28T0100-00P Mouser Part No 739-28T0100-00P	Laird	Ferrite Cable Cores FT,NiZn,PC 2.54X1.27X1.27-850 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	£0.006	Min.: 500,000 Mult.: 500,000
Ferrite Cable Cores FT,NiZn,PC 2.54X1.27X0.76-850 28T0100-20P Laird 500,000: £0.006 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 28T0100-20P Mouser Part No 739-28T0100-20P	Laird	Ferrite Cable Cores FT,NiZn,PC 2.54X1.27X0.76-850 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	£0.006	Min.: 500,000 Mult.: 500,000
Ferrite Cable Cores FT,NiZn,PC 2.54X1.27X0.99-850 28T0100-30P Laird 500,000: £0.008 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 28T0100-30P Mouser Part No 739-28T0100-30P	Laird	Ferrite Cable Cores FT,NiZn,PC 2.54X1.27X0.99-850 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	£0.008	Min.: 500,000 Mult.: 500,000
Ferrite Cable Cores FT,NiZn,PC 3.05X1.27X1.27-850 28T0119-00P Laird 300,000: £0.008 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. 28T0119-00P Mouser Part No 739-28T0119-00P	Laird	Ferrite Cable Cores FT,NiZn,PC 3.05X1.27X1.27-850 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 14 Weeks	£0.008	Min.: 300,000 Mult.: 300,000
Ferrite Cable Cores FT,NiZn,PC 3.05X1.27X0.76-850 28T0119-10P Laird 500,000: £0.007 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 28T0119-10P Mouser Part No 739-28T0119-10P	Laird	Ferrite Cable Cores FT,NiZn,PC 3.05X1.27X0.76-850 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	£0.007	Min.: 500,000 Mult.: 500,000
Ferrite Cable Cores FT,NiZn,EC 3.07x1.5x2.08mmx850. 28T0121-20P Laird 150,000: £0.075 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 28T0121-20P Mouser Part No 739-28T0121-20P	Laird	Ferrite Cable Cores FT,NiZn,EC 3.07x1.5x2.08mmx850. Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	£0.075	Min.: 150,000 Mult.: 150,000
Ferrite Cable Cores FT,NiZn,PC 3.05X1.65X1.65-850 28T0122-00P Laird 300,000: £0.012 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. 28T0122-00P Mouser Part No 739-28T0122-00P	Laird	Ferrite Cable Cores FT,NiZn,PC 3.05X1.65X1.65-850 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 14 Weeks	£0.012	Min.: 300,000 Mult.: 300,000
Ferrite Cable Cores FT,NiZn,PC 3.30X1.27X1.27-850 28T0130-00P Laird 200,000: £0.018 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 28T0130-00P Mouser Part No 739-28T0130-00P	Laird	Ferrite Cable Cores FT,NiZn,PC 3.30X1.27X1.27-850 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	£0.018	Min.: 200,000 Mult.: 200,000
Ferrite Cable Cores FT,NiZn,PC 3.43X1.78X1.27-850 28T0135-00P Laird 300,000: £0.01 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 28T0135-00P Mouser Part No 739-28T0135-00P	Laird	Ferrite Cable Cores FT,NiZn,PC 3.43X1.78X1.27-850 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	£0.01	Min.: 300,000 Mult.: 300,000
Ferrite Cable Cores FT,NiZn,PC 3.43X1.78X2.06-850 28T0135-10P Laird 150,000: £0.013 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 28T0135-10P Mouser Part No 739-28T0135-10P	Laird	Ferrite Cable Cores FT,NiZn,PC 3.43X1.78X2.06-850 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	£0.013	Min.: 150,000 Mult.: 150,000
Ferrite Cable Cores FT,NiZn,PC 3.43X1.78X1.52-850 28T0135-60P Laird 200,000: £0.01 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 28T0135-60P Mouser Part No 739-28T0135-60P	Laird	Ferrite Cable Cores FT,NiZn,PC 3.43X1.78X1.52-850 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	£0.01	Min.: 200,000 Mult.: 200,000
Ferrite Cable Cores FT,NiZn,PC 3.94X1.78X1.78-850 28T0153-70P Laird 150,000: £0.019 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 28T0153-70P Mouser Part No 739-28T0153-70P	Laird	Ferrite Cable Cores FT,NiZn,PC 3.94X1.78X1.78-850 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	£0.019	Min.: 150,000 Mult.: 150,000

Common Mode Filtering Toroid & Balun Cores

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