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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 RM5 N48 250 +3%-3% Sold as set B65805N0250A048 TDK 1: £3.39 2,000Expected 19/04/2027	Mfr. Part No. B65805N0250A048 Mouser Part No 871-B65805N0250A048	TDK	Ferrite Cores & Accessories RM5 N48 250 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	2,000Expected 19/04/2027	£3.39 £2.32 £1.96 £1.73 View £1.50 £1.34	Min.: 1 Mult.: 1	RM5	Ferrite Cores	Gapped	RM Core	RM 5	250 nH	3 %			N48		Blister Pack
Ferrite Cores & Accessories RM6/I-N30 '+30%-20% Sold as set B65807J0000R030 TDK 1: £3.16 8,000On Order	Mfr. Part No. B65807J0000R030 Mouser Part No 871-B65807J0000R030	TDK	Ferrite Cores & Accessories RM6/I-N30 '+30%-20% Sold as set Learn More about TDK ferrite cores	Datasheet	8,000On Order On Order Ship Dates Mfr. No: B65807J0000R030 Stock: 0 On Order: 2,000 Expected 03/05/2027 6,000 Expected 30/06/2027 Factory Lead Time: 7 Weeks	£3.16 £2.17 £1.84 £1.62 View £1.41 £1.28 £1.20	Min.: 1 Mult.: 1	RM6	Ferrite Cores	Ungapped	RM Core	RM 6	4.3 uH	- 20 %, + 30 %			N30		Blister Pack
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B65808N1004D001 TDK 1: £0.89 19,651On Order	Mfr. Part No. B65808N1004D001 Mouser Part No 871-B65808N1004D001	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	19,651On Order On Order Ship Dates Mfr. No: B65808N1004D001 Stock: 0 On Order: 1,651 Expected 17/11/2026 3,000 Expected 01/01/2027 7,000 Expected 11/01/2027 8,000 Expected 03/03/2027 Factory Lead Time: 7 Weeks	£0.89 £0.811 £0.759 £0.715 View £0.683 £0.682 £0.639 £0.633	Min.: 1 Mult.: 1	RM6	Hardware & Accessories	Ungapped	RM Core	RM 6				4 Pin		Pin	Tray
Ferrite Cores & Accessories RM8 N48 315 +3% -3% B65811F315A48 TDK 1: £4.50 2,887On Order	Mfr. Part No. B65811F315A48 Mouser Part No 871-B65811F315A48	TDK	Ferrite Cores & Accessories RM8 N48 315 +3% -3% Learn More about TDK ferrite cores	Datasheet	2,887On Order On Order Ship Dates Mfr. No: B65811F315A48 Stock: 0 On Order: 887 Expected 17/11/2026 2,000 Expected 22/03/2027 Factory Lead Time: 7 Weeks	£4.50 £3.13 £2.50 £2.29 View £2.16 £2.15	Min.: 1 Mult.: 1	B65811F	Ferrite Cores	Gapped	RM Core	RM 8	315 nH	3 %			N48
Ferrite Cores & Accessories RM8 N41 160 +3%-3% Sold as set B65811J0160A041 TDK 1: £3.67 765Expected 09/03/2027	Mfr. Part No. B65811J0160A041 Mouser Part No 871-B65811J0160A041	TDK	Ferrite Cores & Accessories RM8 N41 160 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	765Expected 09/03/2027	£3.67 £2.51 £2.12 £1.85 £1.47	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Gapped	RM Core	RM 8	160 nH	3 %			N41		Blister Pack
Ferrite Cores & Accessories RM8 N48 400 +3% -3% Sold as set B65811J0400A048 TDK 1: £4.78 800Expected 19/04/2027	Mfr. Part No. B65811J0400A048 Mouser Part No 871-B65811J0400A048	TDK	Ferrite Cores & Accessories RM8 N48 400 +3% -3% Sold as set Learn More about TDK ferrite cores	Datasheet	800Expected 19/04/2027	£4.78 £3.29 £2.70 £2.41 View £2.07 £2.03	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Gapped	RM Core	RM 8	400 nH	3 %			N48		Blister Pack
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B65812N1012D001 TDK 1: £1.05 15,723On Order	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	15,723On Order On Order Ship Dates Mfr. No: B65812N1012D001 Stock: 0 On Order: 9,723 Expected 17/11/2026 6,000 Expected 23/11/2026 Factory Lead Time: 4 Weeks	£1.05 £0.952 £0.871 £0.826 View £0.743 £0.705 £0.568	Min.: 1 Mult.: 1	RM8	Hardware & Accessories	Ungapped	RM Core	RM 8			Coil Former Square Pins	12 Pin		Pin	Tray
Ferrite Cores & Accessories RM10/I-N97 '+30%-20% Sold as set B65813J0000R097 TDK 1: £4.76 784Expected 21/06/2027	Mfr. Part No. B65813J0000R097 Mouser Part No 871-B65813J0000R097	TDK	Ferrite Cores & Accessories RM10/I-N97 '+30%-20% Sold as set Learn More about TDK ferrite cores	Datasheet	784Expected 21/06/2027	£4.76 £3.27 £2.68 £2.40 View £2.07 £2.02	Min.: 1 Mult.: 1	RM10	Ferrite Cores	Ungapped	RM Core	RM 10	4.2 uH	- 20 %, + 30 %			N97		Blister Pack
Ferrite Cores & Accessories RM 10 N41 630 '+5%-5% Sold as set B65813J0630J041 TDK 1: £4.46 4,000Expected 23/11/2027	Mfr. Part No. B65813J0630J041 Mouser Part No 871-B65813J0630J041	TDK	Ferrite Cores & Accessories RM 10 N41 630 '+5%-5% Sold as set Learn More about TDK ferrite cores	Datasheet	4,000Expected 23/11/2027	£4.46 £3.08 £2.48 £2.27 £1.96	Min.: 1 Mult.: 1	RM10	Ferrite Cores	Gapped	RM Core	RM 10	630 nH	5 %			N41		Blister Pack
Ferrite Cores & Accessories RM10/I-N87 Sold as set B65813J0000R087 TDK 1: £2.97 4,391On Order	Mfr. Part No. B65813J0000R087 Mouser Part No 871-B65813JR87	TDK	Ferrite Cores & Accessories RM10/I-N87 Sold as set Learn More about TDK ferrite cores	Datasheet	4,391On Order On Order Ship Dates Mfr. No: B65813J0000R087 Stock: 0 On Order: 791 Expected 25/01/2027 3,600 Expected 22/06/2027 Factory Lead Time: 7 Weeks	£2.97 £2.03 £1.73 £1.56	Min.: 1 Mult.: 1	RM10	Ferrite Cores	Ungapped	RM Core	RM 10	4.2 uH	- 20 %, + 30 %			N87		Blister Pack
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B65814N1008D001 TDK 1: £1.47 9,362On Order	Mfr. Part No. B65814N1008D001 Mouser Part No 871-B65814N1008D001	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	9,362On Order On Order Ship Dates Mfr. No: B65814N1008D001 Stock: 0 On Order: 2,562 Expected 15/12/2026 3,600 Expected 28/01/2027 3,200 Expected 01/02/2027 Factory Lead Time: 7 Weeks	£1.47 £1.20 £1.10 £0.969 View £0.917 £0.908 £0.834	Min.: 1 Mult.: 1	RM10	Hardware & Accessories	Ungapped	RM Core	RM 10			Coil Former	8 Pin	GFR Thermosetting Plastic	Pin	Tray
Ferrite Cores & Accessories RM12/I-N49 '+30%-20% Sold as set B65815E0000R049 TDK 1: £6.42 690On Order	Mfr. Part No. B65815E0000R049 Mouser Part No 871-B65815E0000R049	TDK	Ferrite Cores & Accessories RM12/I-N49 '+30%-20% Sold as set Learn More about TDK ferrite cores	Datasheet	690On Order On Order Ship Dates Mfr. No: B65815E0000R049 Stock: 0 On Order: 90 Expected 14/12/2026 300 Expected 11/01/2027 300 Expected 19/07/2027 Factory Lead Time: 7 Weeks	£6.42 £5.57 £5.34 Quote Quote	Min.: 1 Mult.: 1	RM12	Ferrite Cores	Ungapped	RM Core	RM 12	3.7 uH	- 20 %, + 30 %	Core		N49	SMD/SMT	Bulk
Ferrite Cores & Accessories RM12 N41 250 +3%- 3% Sold as set B65815E0250A041 TDK 1: £6.61 1,012On Order	Mfr. Part No. B65815E0250A041 Mouser Part No 871-B65815E250A41	TDK	Ferrite Cores & Accessories RM12 N41 250 +3%- 3% Sold as set Learn More about TDK ferrite cores	Datasheet	1,012On Order On Order Ship Dates Mfr. No: B65815E0250A041 Stock: 0 On Order: 412 Expected 16/11/2026 600 Expected 15/03/2027 Factory Lead Time: 4 Weeks	£6.61 £4.70 £3.73 £3.34 £3.03	Min.: 1 Mult.: 1	RM12	Ferrite Cores	Gapped	RM Core	RM 12	250 nH	3 %	Core		N41	SMD/SMT	Bulk
Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO B65816C1512T001 TDK 1: £1.32 7,616Expected 16/11/2026	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	7,616Expected 16/11/2026	£1.32 £1.20 £1.10 £1.01 View £0.934 £0.826 £0.78	Min.: 1 Mult.: 1	RM12	Hardware & Accessories	Ungapped	RM Core	RM 12				12 Pin		Angled Pin	Bulk
Ferrite Cores & Accessories RM14/I-N49 '+30%-20% Sold as set B65887E0000R049 TDK 1: £11.72 360On Order	Mfr. Part No. B65887E0000R049 Mouser Part No 871-B65887E0000R049	TDK	Ferrite Cores & Accessories RM14/I-N49 '+30%-20% Sold as set Learn More about TDK ferrite cores	Datasheet	360On Order On Order Ship Dates Mfr. No: B65887E0000R049 Stock: 0 On Order: 120 Expected 28/12/2026 240 Expected 28/01/2027 Factory Lead Time: 7 Weeks	£11.72 £7.97 £6.63 £5.93	Min.: 1 Mult.: 1	RM14	Ferrite Cores	Ungapped	RM Core	RM 14	3.9 uH	- 20 %, + 30 %			N49		Bulk
Ferrite Cores & Accessories RM14 N41 250 +3%-3% Sold as set B65887E0250A041 TDK 1: £10.81 261On Order	Mfr. Part No. B65887E0250A041 Mouser Part No 871-B65887E0250A041	TDK	Ferrite Cores & Accessories RM14 N41 250 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	261On Order On Order Ship Dates Mfr. No: B65887E0250A041 Stock: 0 On Order: 21 Pending 240 Expected 11/01/2027 Factory Lead Time: 7 Weeks	£10.81 £7.83 £6.41 £5.80	Min.: 1 Mult.: 1	RM14	Ferrite Cores	Gapped	RM Core	RM 14	250 nH	3 %			N41		Bulk
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B65820W1008D001 TDK 1: £1.63 2,000On Order	Mfr. Part No. B65820W1008D001 Mouser Part No 871-B65820W1008D001	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	2,000On Order On Order Ship Dates Mfr. No: B65820W1008D001 Stock: 0 On Order: 500 Expected 01/01/2027 500 Expected 20/04/2027 1,000 Expected 26/04/2027 Factory Lead Time: 26 Weeks	£1.63 £1.27 £1.22 £1.20 View £1.15 £1.11 £0.73 £0.691	Min.: 1 Mult.: 1	RM7	Hardware & Accessories	Ungapped	RM Core	RM 7			Coil Former	8 Pin	GFR Thermosetting Plastic	Pin	Tray
Ferrite Cores & Accessories RM8 N48 315 +3%-3% B65811F0315A048 TDK 1: £4.70 100Expected 03/05/2027	Mfr. Part No. B65811F0315A048 Mouser Part No 871-B65811F0315A048	TDK	Ferrite Cores & Accessories RM8 N48 315 +3%-3% Learn More about TDK ferrite cores	Datasheet	100Expected 03/05/2027	£4.70 £3.83 £2.76 £2.64 View £2.15 £2.14	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Gapped	RM Core	RM 8	315 nH	3 %			N48		Blister Pack
Ferrite Cores & Accessories WAS-RM5-2 B65806D2005X TDK 1: £0.271 4,461On Order	Mfr. Part No. B65806D2005X Mouser Part No 871-B65806D2005X	TDK	Ferrite Cores & Accessories WAS-RM5-2 Learn More about TDK ferrite cores	Datasheet	4,461On Order	£0.271 £0.244 £0.234 £0.223 View £0.207 £0.186 £0.167 £0.145 £0.134	Min.: 1 Mult.: 1	B65806D	Hardware & Accessories	Ungapped	RM Core	RM 5							Bulk
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B65814N1008D002 TDK 1: £1.87 793Expected 17/03/2027	Mfr. Part No. B65814N1008D002 Mouser Part No 871-B65814N1008D002	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	793Expected 17/03/2027	£1.87 £1.57 £1.27 £1.24 View £1.16 £1.13 £1.11 £1.08	Min.: 1 Mult.: 1	RM10	Hardware & Accessories	Ungapped	RM Core	RM 10			Coil Former	8 Pin	GFR Thermosetting Plastic	Pin	Tray
Ferrite Cores & Accessories RM4-N48 Sold as set B65803A0000R048 TDK 2,400: £1.37 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. B65803A0000R048 Mouser Part No 871-B65803A0000R048	TDK	Ferrite Cores & Accessories RM4-N48 Sold as set Learn More about TDK ferrite cores	Datasheet	Non-Stocked Lead-Time 7 Weeks	Cut Tape £1.37	Min.: 2,400 Mult.: 1,200 : 600	RM4	Ferrite Cores	Ungapped	RM Core	RM 4	800 nH	- 20 %, + 30 %			N48		Reel
Ferrite Cores & Accessories RM4 K 1 16 +3% -3% Sold as set B65803A0016A001 TDK 2,400: £2.60 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. B65803A0016A001 Mouser Part No 871-B65803A0016A001	TDK	Ferrite Cores & Accessories RM4 K 1 16 +3% -3% Sold as set Learn More about TDK ferrite cores	Datasheet	Non-Stocked Lead-Time 8 Weeks	Cut Tape £2.60	Min.: 2,400 Mult.: 1,200 : 600	RM4	Ferrite Cores	Gapped	RM Core	RM 4	16 nH	3 %			K1		Reel
Ferrite Cores & Accessories RM 4 N48 63 +3%- 3% Sold as set B65803A0063A048 TDK 2,400: £1.41 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. B65803A0063A048 Mouser Part No 871-B65803A0063A048	TDK	Ferrite Cores & Accessories RM 4 N48 63 +3%- 3% Sold as set Learn More about TDK ferrite cores	Datasheet	Non-Stocked Lead-Time 8 Weeks	Cut Tape £1.41	Min.: 2,400 Mult.: 1,200 : 600	RM4	Ferrite Cores	Gapped	RM Core	RM 4	63 nH	3 %			N48		Reel
Ferrite Cores & Accessories RM4/I-N49 Sold as set B65803J0000R049 TDK 2,400: £1.00 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. B65803J0000R049 Mouser Part No 871-B65803J0000R049	TDK	Ferrite Cores & Accessories RM4/I-N49 Sold as set Learn More about TDK ferrite cores	Datasheet	Non-Stocked Lead-Time 7 Weeks	Cut Tape £1.00	Min.: 2,400 Mult.: 1,200 : 600	RM4	Ferrite Cores	Ungapped	RM Core	RM 4	750 nH	- 20 %, + 30 %			N49		Reel
Ferrite Cores & Accessories RM4 T35 2800 +40% -30% Sold as set B65803J0000Y035 TDK 1: £2.51 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. B65803J0000Y035 Mouser Part No 871-B65803J0000Y035	TDK	Ferrite Cores & Accessories RM4 T35 2800 +40% -30% Sold as set Learn More about TDK ferrite cores	Datasheet	Non-Stocked Lead-Time 7 Weeks	Cut Tape £2.51 £1.72 £1.47 £1.28 Reel £1.10 View £1.11 £1.10 £1.09 £1.07	Min.: 1 Mult.: 1 : 600	RM4	Ferrite Cores	Ungapped	RM Core	RM 4	2.8 uH	- 30 %, + 40 %			T35		Reel, Cut Tape