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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 (HKD) Filter the results in the table by unit price based on your quantity.	Qty.
Ferrite Toroids / Ferrite Rings FT,MnZn,PC3.43X1.78X2.06-5000 35T0135-10P Laird 1: HK$1.64 119,268In Stock	Mfr. Part No. 35T0135-10P Mouser Part No 739-35T0135-10P	Laird	Ferrite Toroids / Ferrite Rings FT,MnZn,PC3.43X1.78X2.06-5000 Learn More about Laird common mode cores	Datasheet	119,268In Stock	HK$1.64 HK$0.395 HK$0.345 HK$0.279 View HK$0.247 HK$0.214 HK$0.189 HK$0.148	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings FT,MNZN,EC 35T1000-00H Laird 1: HK$68.64 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	HK$68.64 HK$46.36 HK$38.96 HK$33.87 View HK$29.02 HK$28.93 HK$28.85	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings FT,MnZn,EC12.70X7.14X4.78-5000 35T0501-00H Laird 1: HK$6.49 1,352In Stock	Mfr. Part No. 35T0501-00H Mouser Part No 739-35T0501-00H	Laird	Ferrite Toroids / Ferrite Rings FT,MnZn,EC12.70X7.14X4.78-5000 Learn More about Laird common mode cores	Datasheet	1,352In Stock	HK$6.49 HK$4.55 HK$4.00 HK$3.56 View HK$3.15 HK$2.66 HK$2.32 HK$2.22 HK$2.07	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings FT,MnZn,EC12.70X7.14X6.35-5000 35T0501-10H Laird 1: HK$9.62 2,924In Stock	Mfr. Part No. 35T0501-10H Mouser Part No 739-35T0501-10H	Laird	Ferrite Toroids / Ferrite Rings FT,MnZn,EC12.70X7.14X6.35-5000 Learn More about Laird common mode cores	Datasheet	2,924In Stock	HK$9.62 HK$6.71 HK$5.76 HK$5.11 View HK$4.51 HK$3.78 HK$3.58 HK$3.56 HK$3.55	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings FT,MnZn,EC12.70X7.92X6.35-5000 35T0500-10H Laird 1: HK$8.88 3,068In Stock	Mfr. Part No. 35T0500-10H Mouser Part No 739-35T0500-10H	Laird	Ferrite Toroids / Ferrite Rings FT,MnZn,EC12.70X7.92X6.35-5000 Learn More about Laird common mode cores	Datasheet	3,068In Stock	HK$8.88 HK$6.14 HK$5.25 HK$4.66 View HK$4.20 HK$3.44 HK$3.23 HK$3.12 HK$3.05	Min.: 1 Mult.: 1
Ferrite Cable Cores FT,NiZn,PC3.94X2.24X1.27-850 28T0155-10P Laird 1: HK$1.56 199,700In Stock	Mfr. Part No. 28T0155-10P Mouser Part No 739-28T0155-10P	Laird	Ferrite Cable Cores FT,NiZn,PC3.94X2.24X1.27-850 Learn More about Laird common mode cores	Datasheet	199,700In Stock	HK$1.56 HK$0.699 HK$0.60 HK$0.485 View HK$0.419 HK$0.37 HK$0.337 HK$0.255	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings FT,MnZn,EC,Black9.53x4.75x3.18mmx5000. 35T0375-10H Laird 1: HK$4.44 1,662In Stock	Mfr. Part No. 35T0375-10H Mouser Part No 739-35T0375-10H	Laird	Ferrite Toroids / Ferrite Rings FT,MnZn,EC,Black9.53x4.75x3.18mmx5000. Learn More about Laird common mode cores	Datasheet	1,662In Stock	HK$4.44 HK$3.10 HK$2.69 HK$2.40 View HK$2.13 HK$1.81 HK$1.58 HK$1.45 HK$1.35	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings FT,MNZN,EC 35T1417-00H Laird 1: HK$80.31 195In 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	195In Stock	HK$80.31 HK$54.01 HK$45.29 HK$39.78 View HK$33.29 HK$32.63	Min.: 1 Mult.: 1
Ferrite Cable Cores FB,NiZn,PC3.48x2.03x1.52x125* 25N0136-10P Laird 300,000: HK$0.164 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	HK$0.164	Min.: 300,000 Mult.: 300,000
Ferrite Cable Cores FB,NiZn,PC7.04X4.06X6.20-125 25N0277-00P Laird 10,000: HK$1.43 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	HK$1.43	Min.: 10,000 Mult.: 10,000
Ferrite Cable Cores FT,NiZn,PC3.43X1.78X1.52-125 25T0135-60P Laird 200,000: HK$0.164 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	HK$0.164	Min.: 200,000 Mult.: 200,000
Ferrite Cable Cores FT,NiZn,PC3.96x2.21x1.30x125* 25T0155-10P Laird 200,000: HK$0.173 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	HK$0.173	Min.: 200,000 Mult.: 200,000
Ferrite Cable Cores FT,NiZn,UC5.1x1.70x6.35MMx125U 25T0202-000 Laird 15,000: HK$0.855 Non-Stocked	Mfr. Part No. 25T0202-000 Mouser Part No 739-25T0202-000	Laird	Ferrite Cable Cores FT,NiZn,UC5.1x1.70x6.35MMx125U Learn More about Laird common mode cores	Datasheet	Non-Stocked	HK$0.855	Min.: 15,000 Mult.: 15,000
Ferrite Cable Cores FT,NiZn,PC2.54X1.27X1.27-850 28T0100-00P Laird 500,000: HK$0.074 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 28T0100-00P Mouser Part No 739-28T0100-00P	Laird	Ferrite Cable Cores FT,NiZn,PC2.54X1.27X1.27-850 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	HK$0.074	Min.: 500,000 Mult.: 500,000
Ferrite Cable Cores FT,NiZn,PC2.54X1.27X0.76-850 28T0100-20P Laird 500,000: HK$0.066 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 28T0100-20P Mouser Part No 739-28T0100-20P	Laird	Ferrite Cable Cores FT,NiZn,PC2.54X1.27X0.76-850 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	HK$0.066	Min.: 500,000 Mult.: 500,000
Ferrite Cable Cores FT,NiZn,PC2.54X1.27X0.99-850 28T0100-30P Laird 500,000: HK$0.082 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 28T0100-30P Mouser Part No 739-28T0100-30P	Laird	Ferrite Cable Cores FT,NiZn,PC2.54X1.27X0.99-850 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	HK$0.082	Min.: 500,000 Mult.: 500,000
Ferrite Cable Cores FT,NiZn,PC3.05X1.27X1.27-850 28T0119-00P Laird 300,000: HK$0.099 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. 28T0119-00P Mouser Part No 739-28T0119-00P	Laird	Ferrite Cable Cores FT,NiZn,PC3.05X1.27X1.27-850 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 14 Weeks	HK$0.099	Min.: 300,000 Mult.: 300,000
Ferrite Cable Cores FT,NiZn,PC3.05X1.27X0.76-850 28T0119-10P Laird 500,000: HK$0.082 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 28T0119-10P Mouser Part No 739-28T0119-10P	Laird	Ferrite Cable Cores FT,NiZn,PC3.05X1.27X0.76-850 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	HK$0.082	Min.: 500,000 Mult.: 500,000
Ferrite Cable Cores FT,NiZn,EC3.07x1.5x2.08mmx850. 28T0121-20P Laird 150,000: HK$0.822 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 28T0121-20P Mouser Part No 739-28T0121-20P	Laird	Ferrite Cable Cores FT,NiZn,EC3.07x1.5x2.08mmx850. Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	HK$0.822	Min.: 150,000 Mult.: 150,000
Ferrite Cable Cores FT,NiZn,PC3.05X1.65X1.65-850 28T0122-00P Laird 300,000: HK$0.123 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. 28T0122-00P Mouser Part No 739-28T0122-00P	Laird	Ferrite Cable Cores FT,NiZn,PC3.05X1.65X1.65-850 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 14 Weeks	HK$0.123	Min.: 300,000 Mult.: 300,000
Ferrite Cable Cores FT,NiZn,PC3.30X1.27X1.27-850 28T0130-00P Laird 200,000: HK$0.197 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 28T0130-00P Mouser Part No 739-28T0130-00P	Laird	Ferrite Cable Cores FT,NiZn,PC3.30X1.27X1.27-850 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	HK$0.197	Min.: 200,000 Mult.: 200,000
Ferrite Cable Cores FT,NiZn,PC3.43X1.78X1.27-850 28T0135-00P Laird 300,000: HK$0.115 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 28T0135-00P Mouser Part No 739-28T0135-00P	Laird	Ferrite Cable Cores FT,NiZn,PC3.43X1.78X1.27-850 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	HK$0.115	Min.: 300,000 Mult.: 300,000
Ferrite Cable Cores FT,NiZn,PC3.43X1.78X2.06-850 28T0135-10P Laird 150,000: HK$0.14 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 28T0135-10P Mouser Part No 739-28T0135-10P	Laird	Ferrite Cable Cores FT,NiZn,PC3.43X1.78X2.06-850 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	HK$0.14	Min.: 150,000 Mult.: 150,000
Ferrite Cable Cores FT,NiZn,PC3.43X1.78X1.52-850 28T0135-60P Laird 200,000: HK$0.115 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 28T0135-60P Mouser Part No 739-28T0135-60P	Laird	Ferrite Cable Cores FT,NiZn,PC3.43X1.78X1.52-850 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	HK$0.115	Min.: 200,000 Mult.: 200,000
Ferrite Cable Cores FT,NiZn,PC3.94X1.78X1.78-850 28T0153-70P Laird 150,000: HK$0.206 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 28T0153-70P Mouser Part No 739-28T0153-70P	Laird	Ferrite Cable Cores FT,NiZn,PC3.94X1.78X1.78-850 Learn More about Laird common mode cores	Datasheet	Non-Stocked Lead-Time 13 Weeks	HK$0.206	Min.: 150,000 Mult.: 150,000

Common Mode Filtering Toroid & Balun Cores

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Common Mode Filtering Toroid & Balun Cores

Types of Passive Components