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Ferrite Cores & Accessories

TDK Ferrite Cores and Accessories feature polycrystal, sintered material construction with high electrical resistivity and distributed air gaps. These ferrites are ideal for transportation equipment and medical devices. Ferrite cores include E core, ETD core, PM core, U core, PS core, RM core, EFD core, and more. A wide variety of accessories is also available.

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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 Cores & Accessories RM8/I-N97 Sold as set B65811J0000R097 TDK 1: £3.77 1,974In Stock 800Expected 29/03/2027	Mfr. Part No. B65811J0000R097 Mouser Part No 871-B65811J0000R097	TDK	Ferrite Cores & Accessories RM8/I-N97 Sold as set Learn More about TDK ferrite cores	Datasheet	1,974In Stock 800Expected 29/03/2027	£3.77 £2.58 £2.18 £1.90 £1.51	Min.: 1 Mult.: 1
Ferrite Cores & Accessories RM8/I-T38 Sold as set B65811J0000Y038 TDK 1: £4.06 698In Stock 4,000On Order	Mfr. Part No. B65811J0000Y038 Mouser Part No 871-B65811J0000Y038	TDK	Ferrite Cores & Accessories RM8/I-T38 Sold as set Learn More about TDK ferrite cores	Datasheet	698In Stock 4,000On Order On Order Ship Dates Mfr. No: B65811J0000Y038 Stock: 698 Can Dispatch Immediately On Order: 1,600 Expected 03/12/2026 2,400 Expected 17/12/2026 Factory Lead Time: 7 Weeks	£4.06 £2.78 £2.37 £2.07 View £1.80 £1.71 £1.62	Min.: 1 Mult.: 1
Ferrite Cores & Accessories RM8 N87 250 +3%-3% Sold as set B65811J0250A087 TDK 1: £2.41 1,119In Stock	Mfr. Part No. B65811J0250A087 Mouser Part No 871-B65811J0250A087	TDK	Ferrite Cores & Accessories RM8 N87 250 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	1,119In Stock	£2.41 £1.66 £1.41 £1.24 £1.22	Min.: 1 Mult.: 1
Ferrite Cores & Accessories RM8 N41 250 +5%-5% Sold as set B65811J0250J041 TDK 1: £3.93 1,094In Stock 1,200Expected 08/12/2026	Mfr. Part No. B65811J0250J041 Mouser Part No 871-B65811J0250J041	TDK	Ferrite Cores & Accessories RM8 N41 250 +5%-5% Sold as set Learn More about TDK ferrite cores	Datasheet	1,094In Stock 1,200Expected 08/12/2026	£3.93 £2.70 £2.29 £2.00 View £1.69 £1.55 £1.47	Min.: 1 Mult.: 1
Ferrite Cores & Accessories Ferrites 1600 nH, 10%, N41, RM Core B65811J1600K041 TDK 1: £3.93 1,124In Stock	Mfr. Part No. B65811J1600K041 Mouser Part No 871-B65811J1600K041	TDK	Ferrite Cores & Accessories Ferrites 1600 nH, 10%, N41, RM Core Learn More about TDK ferrite cores	Datasheet	1,124In Stock	£3.93 £2.70 £2.29 £2.00 View £1.69 £1.55 £1.47	Min.: 1 Mult.: 1
Ferrite Cores & Accessories RM8/I-N87 B65811JR87 TDK 1: £2.75 1,272In Stock 3,200Expected 08/03/2027	Mfr. Part No. B65811JR87 Mouser Part No 871-B65811JR87	TDK	Ferrite Cores & Accessories RM8/I-N87 Learn More about TDK ferrite cores	Datasheet	1,272In Stock 3,200Expected 08/03/2027	£2.75 £1.89 £1.61 £1.41 View £1.20 £1.17	Min.: 1 Mult.: 1
Ferrite Cores & Accessories Coil former RM8 Sumikon PM 9630 B65812N1008D002 TDK 1: £1.59 1,426In Stock	Mfr. Part No. B65812N1008D002 Mouser Part No 871-B65812N1008D002	TDK	Ferrite Cores & Accessories Coil former RM8 Sumikon PM 9630 Learn More about TDK ferrite cores	Datasheet	1,426In Stock	£1.59 £1.44 £1.28 £1.13 View £1.01 £0.856 £0.841 £0.811	Min.: 1 Mult.: 1
Ferrite Cores & Accessories Coil former RM8 Sumikon PM 9630 B65812N1012D002 TDK 1: £1.58 3,599In Stock 6,000On Order	Mfr. Part No. B65812N1012D002 Mouser Part No 871-B65812N1012D002	TDK	Ferrite Cores & Accessories Coil former RM8 Sumikon PM 9630 Learn More about TDK ferrite cores	Datasheet	3,599In Stock 6,000On Order On Order Ship Dates Mfr. No: B65812N1012D002 Stock: 3,599 Can Dispatch Immediately On Order: 800 Expected 17/05/2027 5,200 Expected 21/06/2027 Factory Lead Time: 7 Weeks	£1.58 £1.28 £1.17 £1.13 View £1.07 £1.04 £1.01 £0.995 £0.925	Min.: 1 Mult.: 1
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B65812N1012D001 TDK 1: £1.05 9,123In Stock 6,000Expected 08/02/2027	Mfr. Part No. B65812N1012D001 Mouser Part No 871-B65812N1012D1	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	9,123In Stock 6,000Expected 08/02/2027	£1.05 £0.952 £0.882 £0.826 View £0.743 £0.705 £0.568	Min.: 1 Mult.: 1
Ferrite Cores & Accessories RM10/I-N49 '+30%-20% Sold as set B65813J0000R049 TDK 1: £4.75 628In Stock	Mfr. Part No. B65813J0000R049 Mouser Part No 871-B65813J0000R049	TDK	Ferrite Cores & Accessories RM10/I-N49 '+30%-20% Sold as set Learn More about TDK ferrite cores	Datasheet	628In Stock	£4.75 £3.25 £2.76 £2.38 £2.01	Min.: 1 Mult.: 1
Ferrite Cores & Accessories RM 10 N87 250 '+3%-3% Sold as set B65813J0250A087 TDK 1: £4.02 703In Stock	Mfr. Part No. B65813J0250A087 Mouser Part No 871-B65813J0250A087	TDK	Ferrite Cores & Accessories RM 10 N87 250 '+3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	703In Stock	£4.02 £2.75 £2.33 £2.03 £1.63	Min.: 1 Mult.: 1
Ferrite Cores & Accessories RM 10 N48 400 '+3%-3% Sold as set B65813N0400A048 TDK 1: £6.19 731In Stock	Mfr. Part No. B65813N0400A048 Mouser Part No 871-B65813N0400A048	TDK	Ferrite Cores & Accessories RM 10 N48 400 '+3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	731In Stock	£6.19 £4.18 £3.51 £3.06 £2.70	Min.: 1 Mult.: 1
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B65814N1012D001 TDK 1: £1.55 4,629In Stock	Mfr. Part No. B65814N1012D001 Mouser Part No 871-B65814N1012D001	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	4,629In Stock	£1.55 £1.41 £1.21 £1.10 View £1.09 £1.07 £1.05	Min.: 1 Mult.: 1
Ferrite Cores & Accessories RM12/I-N30 '+30%-20% Sold as set B65815E0000R030 TDK 1: £7.73 315In Stock	Mfr. Part No. B65815E0000R030 Mouser Part No 871-B65815E0000R030	TDK	Ferrite Cores & Accessories RM12/I-N30 '+30%-20% Sold as set Learn More about TDK ferrite cores	Datasheet	315In Stock	£7.73 £5.20 £4.37 £3.81 View £3.42 £3.36	Min.: 1 Mult.: 1
Ferrite Cores & Accessories RM12/I-N87 '+30%-20% Sold as set B65815E0000R087 TDK 1: £4.44 1,977In Stock	Mfr. Part No. B65815E0000R087 Mouser Part No 871-B65815E0000R087	TDK	Ferrite Cores & Accessories RM12/I-N87 '+30%-20% Sold as set Learn More about TDK ferrite cores	Datasheet	1,977In Stock	£4.44 £3.03 £2.55 £2.49 £2.42	Min.: 1 Mult.: 1
Ferrite Cores & Accessories RM12 N87160 '+3%-3% Sold as set B65815E0160A087 TDK 1: £5.95 520In Stock	Mfr. Part No. B65815E0160A087 Mouser Part No 871-B65815E0160A087	TDK	Ferrite Cores & Accessories RM12 N87160 '+3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	520In Stock	£5.95 £4.02 £3.39 £2.93 £2.58	Min.: 1 Mult.: 1
Ferrite Cores & Accessories RM12 N87250 '+3%-3% Sold as set B65815E0250A087 TDK 1: £5.85 477In Stock	Mfr. Part No. B65815E0250A087 Mouser Part No 871-B65815E0250A087	TDK	Ferrite Cores & Accessories RM12 N87250 '+3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	477In Stock	£5.85 £3.95 £3.33 £2.90 £2.53	Min.: 1 Mult.: 1
Ferrite Cores & Accessories RM 12 N41 1000 +5%- 5% Sold as set B65815E1000J041 TDK 1: £6.90 339In Stock 900Expected 18/11/2026	Mfr. Part No. B65815E1000J041 Mouser Part No 871-B65815E1000J41	TDK	Ferrite Cores & Accessories RM 12 N41 1000 +5%- 5% Sold as set Learn More about TDK ferrite cores	Datasheet	339In Stock 900Expected 18/11/2026	£6.90 £4.65 £3.90 £3.40 View £3.03 £2.98	Min.: 1 Mult.: 1
Ferrite Cores & Accessories RM 12 N41 160 +3%- 3% Sold as set B65815E0160A041 TDK 1: £6.82 551In Stock	Mfr. Part No. B65815E0160A041 Mouser Part No 871-B65815E160A41	TDK	Ferrite Cores & Accessories RM 12 N41 160 +3%- 3% Sold as set Learn More about TDK ferrite cores	Datasheet	551In Stock	£6.82 £4.19 £3.68 £3.30 £3.03	Min.: 1 Mult.: 1
Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO B65816C1512T001 TDK 1: £1.58 4,516In Stock 8,500On Order	Mfr. Part No. B65816C1512T001 Mouser Part No 871-B65816C1512T1	TDK	Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO Learn More about TDK ferrite cores	Datasheet	4,516In Stock 8,500On Order On Order Ship Dates Mfr. No: B65816C1512T001 Stock: 4,516 Can Dispatch Immediately On Order: 3,100 Expected 04/11/2026 5,400 Expected 08/12/2026 Factory Lead Time: 7 Weeks	£1.58 £1.28 £1.17 £1.13 View £1.10 £1.05 £1.02 £0.995 £0.925	Min.: 1 Mult.: 1
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B65816N1012D1 TDK 1: £1.24 3,422In Stock 300Expected 01/12/2026	Mfr. Part No. B65816N1012D1 Mouser Part No 871-B65816N1012D1	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	3,422In Stock 300Expected 01/12/2026	£1.24 £1.13 £1.08 £1.05 View £0.995 £0.899 £0.871 £0.826	Min.: 1 Mult.: 1
Ferrite Cores & Accessories Coil former RM6 SMD Vectra E130i B65821C1008T1 TDK 1: £1.27 7,006In Stock	Mfr. Part No. B65821C1008T1 Mouser Part No 871-B65821C1008T1	TDK	Ferrite Cores & Accessories Coil former RM6 SMD Vectra E130i Learn More about TDK ferrite cores	Datasheet	7,006In Stock	£1.27 £1.16 £1.12 £1.08 View £1.01 £0.899 £0.882	Min.: 1 Mult.: 1
Ferrite Cores & Accessories COIL FORMER Laperos C 130 B65822F1008T001 TDK 1: £1.46 2,127In Stock 6,000On Order	Mfr. Part No. B65822F1008T001 Mouser Part No 871-B65822F1008T001	TDK	Ferrite Cores & Accessories COIL FORMER Laperos C 130 Learn More about TDK ferrite cores	Datasheet	2,127In Stock 6,000On Order On Order Ship Dates Mfr. No: B65822F1008T001 Stock: 2,127 Can Dispatch Immediately On Order: 2,000 Expected 20/11/2026 4,000 Expected 23/11/2026 Factory Lead Time: 4 Weeks	£1.46 £1.32 £1.24 £1.10 View £0.986 £0.882 £0.856	Min.: 1 Mult.: 1
Ferrite Cores & Accessories COIL FORMER Laperos C 130 B65822J1008T001 TDK 1: £2.10 2,237In Stock	Mfr. Part No. B65822J1008T001 Mouser Part No 871-B65822J1008T001	TDK	Ferrite Cores & Accessories COIL FORMER Laperos C 130 Learn More about TDK ferrite cores	Datasheet	2,237In Stock	£2.10 £1.69 £1.55 £1.50 View £1.46 £1.40 £1.35 £1.32 £1.01	Min.: 1 Mult.: 1
Ferrite Cores & Accessories EP10-N87 +30%-20% Sold as set B65841A0000R087 TDK 1: £1.60 3,913In Stock 3,000Expected 04/05/2027	Mfr. Part No. B65841A0000R087 Mouser Part No 871-B65841A0000R087	TDK	Ferrite Cores & Accessories EP10-N87 +30%-20% Sold as set Learn More about TDK epcos ep transformers	Datasheet	3,913In Stock 3,000Expected 04/05/2027	£1.60 £1.11 £0.943 £0.841 View £0.732 £0.673 £0.567	Min.: 1 Mult.: 1

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Ferrite Cores & Accessories

Types of Passive Components