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RM Core Ferrite Cores & Accessories

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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.	Series	Product	Type	Core	Core Size	Inductance	Tolerance	Accessory Type	Number of Pins	Core Material	Termination Style	Packaging
Ferrite Cores & Accessories CLM-RM5 2 PCS REQUIRED B65806J2204X000 TDK 1: £0.135 5,999In Stock	Mfr. Part No. B65806J2204X000 Mouser Part No 871-B65806J2204X000	TDK	Ferrite Cores & Accessories CLM-RM5 2 PCS REQUIRED Learn More about TDK ferrite cores	Datasheet	5,999In Stock	£0.135 £0.125 £0.12 £0.117 View £0.114 £0.108 £0.098 £0.087 £0.086	Min.: 1 Mult.: 1	RM5	Hardware & Accessories	Ungapped	RM Core	RM 5							Bulk
Ferrite Cores & Accessories WAS-RM6-2 MAKROFOL KL3 B65808C2005X000 TDK 1: £0.353 5,948In Stock 5,000Expected 12/03/2027	Mfr. Part No. B65808C2005X000 Mouser Part No 871-B65808C2005X	TDK	Ferrite Cores & Accessories WAS-RM6-2 MAKROFOL KL3 Learn More about TDK ferrite cores	Datasheet	5,948In Stock 5,000Expected 12/03/2027	£0.353 £0.322 £0.31 £0.288 View £0.256 £0.217 £0.193	Min.: 1 Mult.: 1	RM6	Hardware & Accessories	Ungapped	RM Core	RM 6							Bulk
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B65808N1006D002 TDK 1: £1.14 1,327In Stock	Mfr. Part No. B65808N1006D002 Mouser Part No 871-B65808N1006D002	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	1,327In Stock	£1.14 £1.05 £0.96 £0.882 View £0.818 £0.721 £0.68 £0.656	Min.: 1 Mult.: 1	RM6	Hardware & Accessories	Ungapped	RM Core	RM 6				6 Pin		Pin	Tray
Ferrite Cores & Accessories RM8 N87 100 +3%-3% Sold as set B65811J0100A087 TDK 1: £3.40 115In Stock 400Expected 24/03/2027	Mfr. Part No. B65811J0100A087 Mouser Part No 871-B65811J0100A087	TDK	Ferrite Cores & Accessories RM8 N87 100 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	115In Stock 400Expected 24/03/2027	£3.40 £2.33 £1.97 £1.73 View £1.34 £1.30 £1.27	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Gapped	RM Core	RM 8	100 nH	3 %			N87		Blister Pack
Ferrite Cores & Accessories RM10 N87 400 '+3% -3% Sold as set B65813J0400A087 TDK 1: £4.02 430In Stock 800Expected 16/11/2026	Mfr. Part No. B65813J0400A087 Mouser Part No 871-B65813J0400A087	TDK	Ferrite Cores & Accessories RM10 N87 400 '+3% -3% Sold as set Learn More about TDK ferrite cores	Datasheet	430In Stock 800Expected 16/11/2026	£4.02 £2.75 £2.33 £2.03 £1.63	Min.: 1 Mult.: 1	RM10	Ferrite Cores	Gapped	RM Core	RM 10	400 nH	3 %			N87		Blister Pack
Ferrite Cores & Accessories RM12/I-N97 '+30%-20% Sold as set B65815E0000R097 TDK 1: £6.61 221In Stock 300Expected 17/03/2027	Mfr. Part No. B65815E0000R097 Mouser Part No 871-B65815E0000R097	TDK	Ferrite Cores & Accessories RM12/I-N97 '+30%-20% Sold as set Learn More about TDK ferrite cores	Datasheet	221In Stock 300Expected 17/03/2027	£6.61 £4.70 £3.72 £3.41 £3.11	Min.: 1 Mult.: 1	RM12	Ferrite Cores	Ungapped	RM Core	RM 12	5.3 uH	- 20 %, + 30 %	Core		N97	SMD/SMT	Bulk
Ferrite Cores & Accessories Coil former RM12 Sumikon PM 9630 B65816N1011D1 TDK 1: £1.18 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. B65816N1011D1 Mouser Part No 871-B65816N1011D1	TDK	Ferrite Cores & Accessories Coil former RM12 Sumikon PM 9630 Learn More about TDK ferrite cores	Datasheet	Non-Stocked Lead-Time 26 Weeks	£1.18 £1.07 £1.04 £0.995 View £0.943 £0.841 £0.826 £0.796	Min.: 1 Mult.: 1	B65816N	Hardware & Accessories	Ungapped	RM Core	RM 12				11 Pin		Pin	Tray
Ferrite Cores & Accessories CLI/P-RM7 2 PCS REQUIRED B65820B2001X000 TDK 1: £0.271 35In Stock 5,000Expected 30/11/2026	Mfr. Part No. B65820B2001X000 Mouser Part No 871-B65820B2001X000	TDK	Ferrite Cores & Accessories CLI/P-RM7 2 PCS REQUIRED Learn More about TDK ferrite cores	Datasheet	35In Stock 5,000Expected 30/11/2026	£0.271 £0.241 £0.218 £0.203 View £0.189 £0.172 £0.168 £0.145 £0.136	Min.: 1 Mult.: 1	RM7	Hardware & Accessories	Ungapped	RM Core	RM 7			Clamp with Ground Terminal		Spring Steel (Tinned)		Bulk
Ferrite Cores & Accessories SPK RM14 SUMIKON PM9630 B65888N1010D001 TDK 1: £1.79 360In Stock	Mfr. Part No. B65888N1010D001 Mouser Part No 871-B65888N1010D001	TDK	Ferrite Cores & Accessories SPK RM14 SUMIKON PM9630 Learn More about TDK ferrite cores	Datasheet	360In Stock	£1.79 £1.62 £1.48 £1.35 View £1.23 £1.09 £1.04 £1.03 £0.995	Min.: 1 Mult.: 1	RM14	Hardware & Accessories	Ungapped	RM Core	RM 14				10 Pin	GFR Thermosetting Plastic	Pin	Tray
Ferrite Cores & Accessories RM8 N48 250 +3%-3% Sold as set B65811J0250A048 TDK 1: £4.64 59In Stock	Mfr. Part No. B65811J0250A048 Mouser Part No 871-B65811J0250A048	TDK	Ferrite Cores & Accessories RM8 N48 250 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	59In Stock	£4.64 £3.21 £2.58 £2.36 View £2.07 £2.03	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Gapped	RM Core	RM 8	250 nH	3 %			N48		Blister Pack
Ferrite Cores & Accessories 78 RM Core RM5 Ind 1650 nH 25% TOL 6278140121 Fair-Rite 1: £0.78 70In Stock	Mfr. Part No. 6278140121 Mouser Part No 623-6278140121	Fair-Rite	Ferrite Cores & Accessories 78 RM Core RM5 Ind 1650 nH 25% TOL Learn More about Fair-Rite fairrite rm cores	Datasheet	70In Stock	£0.78 £0.548 £0.471 £0.418 View £0.369 £0.31 £0.29 £0.276	Min.: 1 Mult.: 1	62	Ferrite Cores		RM Core	RM 5	1.65 uH	25 %			78		Bulk
Ferrite Cores & Accessories 78 RM Core RM6 Ind 2400 nH 25% TOL 6278180121 Fair-Rite 1: £0.89 800In Stock	Mfr. Part No. 6278180121 Mouser Part No 623-6278180121	Fair-Rite	Ferrite Cores & Accessories 78 RM Core RM6 Ind 2400 nH 25% TOL Learn More about Fair-Rite fairrite rm cores	Datasheet	800In Stock	£0.89 £0.62 £0.534 £0.491 View £0.433 £0.351 £0.341	Min.: 1 Mult.: 1	62	Ferrite Cores		RM Core	RM 6	2.4 uH	25 %			78		Bulk
Ferrite Cores & Accessories 78 RM Core RM8 Ind 3000 nH 25% TOL 6278230121 Fair-Rite 1: £1.19 565In Stock	Mfr. Part No. 6278230121 Mouser Part No 623-6278230121	Fair-Rite	Ferrite Cores & Accessories 78 RM Core RM8 Ind 3000 nH 25% TOL Learn More about Fair-Rite fairrite rm cores	Datasheet	565In Stock	£1.19 £0.818 £0.71 £0.653 View £0.575 £0.467 £0.453	Min.: 1 Mult.: 1	62	Ferrite Cores		RM Core	RM 8	3 uH	25 %			78		Bulk
Ferrite Cores & Accessories 78 RM Core RM10 Ind 4200 nH 25% TOL 6278280121 Fair-Rite 1: £1.68 402In Stock	Mfr. Part No. 6278280121 Mouser Part No 623-6278280121	Fair-Rite	Ferrite Cores & Accessories 78 RM Core RM10 Ind 4200 nH 25% TOL Learn More about Fair-Rite fairrite rm cores	Datasheet	402In Stock	£1.68 £1.15 £0.995 £0.871 View £0.766 £0.679	Min.: 1 Mult.: 1	62	Ferrite Cores		RM Core	RM 10	4.2 uH	25 %			78		Bulk
Ferrite Cores & Accessories 78 RM Core RM12 Ind 5400 nH 25% TOL 6278370121 Fair-Rite 1: £2.92 41In Stock	Mfr. Part No. 6278370121 Mouser Part No 623-6278370121	Fair-Rite	Ferrite Cores & Accessories 78 RM Core RM12 Ind 5400 nH 25% TOL Learn More about Fair-Rite fairrite rm cores	Datasheet	41In Stock	£2.92 £2.01 £1.70 £1.49 View £1.30 £1.28	Min.: 1 Mult.: 1	62	Ferrite Cores		RM Core	RM 12	5.4 uH	25 %			78		Bulk
Ferrite Cores & Accessories 95 RM Core RM6 6295180121 Fair-Rite 1: £1.01 406In Stock	Mfr. Part No. 6295180121 Mouser Part No 623-6295180121	Fair-Rite	Ferrite Cores & Accessories 95 RM Core RM6 Learn More about Fair-Rite epcos tdk ferrite cores	Datasheet	406In Stock	£1.01 £0.701 £0.605 £0.557 View £0.491 £0.398 £0.387	Min.: 1 Mult.: 1	62	Ferrite Cores		RM Core	RM 6	2.6 uH	25 %			95		Bulk
Ferrite Cores & Accessories 98 RM Core RM8 6298230121 Fair-Rite 1: £1.22 586In Stock	Mfr. Part No. 6298230121 Mouser Part No 623-6298230121	Fair-Rite	Ferrite Cores & Accessories 98 RM Core RM8 Learn More about Fair-Rite epcos tdk ferrite cores	Datasheet	586In Stock	£1.22 £0.841 £0.732 £0.673 View £0.593 £0.481 £0.467	Min.: 1 Mult.: 1	62	Ferrite Cores		RM Core	RM 8	3.1 uH	25 %			98		Bulk
Ferrite Cores & Accessories 98 RM Core RM12 Ind 5500 nH 25% TOL 6298370121 Fair-Rite 1: £2.72 27In Stock	Mfr. Part No. 6298370121 Mouser Part No 623-6298370121	Fair-Rite	Ferrite Cores & Accessories 98 RM Core RM12 Ind 5500 nH 25% TOL Learn More about Fair-Rite fairrite rm cores	Datasheet	27In Stock	£2.72 £1.86 £1.58 £1.38 £1.20	Min.: 1 Mult.: 1	62	Ferrite Cores		RM Core	RM 12	5.5 uH	25 %			98		Bulk
Ferrite Cores & Accessories RM6 N48 250 +3%-3% Sold as set B65807N0250A048 TDK 1: £2.75 8,000On Order	Mfr. Part No. B65807N0250A048 Mouser Part No 871-B65807N0250A048	TDK	Ferrite Cores & Accessories RM6 N48 250 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	8,000On Order On Order Ship Dates Mfr. No: B65807N0250A048 Stock: 0 On Order: 2,000 Expected 05/05/2027 6,000 Expected 10/05/2027 Factory Lead Time: 7 Weeks	£2.75 £1.89 £1.61 £1.43	Min.: 1 Mult.: 1	RM6	Ferrite Cores	Gapped	RM Core	RM 6	250 nH	3 %			N48		Blister Pack
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B65812N1008D001 TDK 1: £1.11 30,388On Order	Mfr. Part No. B65812N1008D001 Mouser Part No 871-B65812N1008D001	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	30,388On Order On Order Ship Dates Mfr. No: B65812N1008D001 Stock: 0 On Order: 15,588 Expected 10/11/2026 7,600 Expected 12/01/2027 7,200 Expected 28/01/2027 Factory Lead Time: 4 Weeks	£1.11 £0.995 £0.849 £0.759 £0.601	Min.: 1 Mult.: 1	RM8	Hardware & Accessories	Ungapped	RM Core	RM 8				8 Pin		Pin	Tray
Ferrite Cores & Accessories RM10 N41 250 '+3% -3% Sold as set B65813J0250A041 TDK 1: £4.32 5,500On Order	Mfr. Part No. B65813J0250A041 Mouser Part No 871-B65813J0250A041	TDK	Ferrite Cores & Accessories RM10 N41 250 '+3% -3% Sold as set Learn More about TDK ferrite cores	Datasheet	5,500On Order On Order Ship Dates Mfr. No: B65813J0250A041 Stock: 0 On Order: 3,500 Expected 31/12/2027 2,000 TBD Factory Lead Time: 4 Weeks	£4.32 £3.00 £2.40 £2.21 £1.96	Min.: 1 Mult.: 1	RM10	Ferrite Cores	Gapped	RM Core	RM 10	250 nH	3 %			N41		Blister Pack
Ferrite Cores & Accessories RM 4 N48 160 +3%- 3% Sold as set B65803N0160A048 TDK 1: £3.47 2,327Expected 03/11/2026	Mfr. Part No. B65803N0160A048 Mouser Part No 871-B65803N0160A048	TDK	Ferrite Cores & Accessories RM 4 N48 160 +3%- 3% Sold as set Learn More about TDK ferrite cores	Datasheet	2,327Expected 03/11/2026	Cut Tape £3.47 £2.38 £2.02 £1.77 View Reel £1.34 £1.54 £1.37 £1.34	Min.: 1 Mult.: 1 : 600	RM4	Ferrite Cores	Gapped	RM Core	RM 4	160 nH	3 %			N48		Reel, Cut Tape
Ferrite Cores & Accessories RM 5 N48250 + 3%- 3% Sold as set B65805C0250A048 TDK 1: £2.67 8,000Expected 03/05/2027	Mfr. Part No. B65805C0250A048 Mouser Part No 871-B65805C0250A048	TDK	Ferrite Cores & Accessories RM 5 N48250 + 3%- 3% Sold as set Learn More about TDK ferrite cores	Datasheet	8,000Expected 03/05/2027	£2.67 £1.84 £1.56 £1.37 View £1.20 £1.04	Min.: 1 Mult.: 1	RM5	Ferrite Cores	Gapped	RM Core	RM 5	250 nH	3 %			N48		Blister Pack
Ferrite Cores & Accessories RM5/I-N87 +30%-20% Sold as set B65805J0000R087 TDK 1: £2.25 7,531On Order	Mfr. Part No. B65805J0000R087 Mouser Part No 871-B65805J0000R087	TDK	Ferrite Cores & Accessories RM5/I-N87 +30%-20% Sold as set Learn More about TDK ferrite cores	Datasheet	7,531On Order On Order Ship Dates Mfr. No: B65805J0000R087 Stock: 0 On Order: 1,531 Expected 16/11/2026 6,000 Expected 30/11/2026 Factory Lead Time: 4 Weeks	£2.25 £1.68 £1.56 £1.37 View £1.20 £1.05 £1.03 £1.01	Min.: 1 Mult.: 1	RM5	Ferrite Cores	Ungapped	RM Core	RM 5	2 uH	- 20 %, + 30 %			N87		Blister Pack
Ferrite Cores & Accessories RM5/I-T38 +40%-30% Sold as set B65805J0000Y038 TDK 1: £2.81 5,000On Order	Mfr. Part No. B65805J0000Y038 Mouser Part No 871-B65805J0000Y038	TDK	Ferrite Cores & Accessories RM5/I-T38 +40%-30% Sold as set Learn More about TDK ferrite cores	Datasheet	5,000On Order On Order Ship Dates Mfr. No: B65805J0000Y038 Stock: 0 On Order: 2,000 Expected 09/11/2026 3,000 Expected 25/01/2027 Factory Lead Time: 7 Weeks	£2.81 £1.92 £1.63 £1.43 View £1.25 £1.10	Min.: 1 Mult.: 1	RM5	Ferrite Cores	Ungapped	RM Core	RM 5	6.7 uH	- 30 %, + 40 %			T38		Blister Pack