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Ferrite Cores & Accessories

Ferrite Cores are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many ferrite core manufacturers including Fair-Rite, Proterial, TDK, & more.
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Please view our selection of ferrite cores below.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) 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 RM6 N48 400 +3% -3% Sold as set B65807C0400A048 TDK 1: 3,35 € 1.532In Stock 1.000Expected 3/8/2027	Mfr. Part No. B65807C0400A048 Mouser Part No 871-B65807C0400A048	TDK	Ferrite Cores & Accessories RM6 N48 400 +3% -3% Sold as set Learn More about TDK ferrite cores	Datasheet	1.532In Stock 1.000Expected 3/8/2027	3,35 € 2,30 € 1,95 € 1,72 € View 1,50 € 1,29 €	Min.: 1 Mult.: 1	RM6	Ferrite Cores	Gapped	RM Core	RM 6	400 nH	3 %			N48		Blister Pack
Ferrite Cores & Accessories RM6 N41 250 +3%-3% Sold as set B65807J0250A041 TDK 1: 3,19 € 1.892In Stock	Mfr. Part No. B65807J0250A041 Mouser Part No 871-B65807J0250A041	TDK	Ferrite Cores & Accessories RM6 N41 250 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	1.892In Stock	3,19 € 2,19 € 1,87 € 1,63 € View 1,43 € 1,22 €	Min.: 1 Mult.: 1	RM6	Ferrite Cores	Gapped	RM Core	RM 6	250 nH	3 %			N41		Blister Pack
Ferrite Cores & Accessories RM6 N48 400 +3%-3% Sold as set B65807J0400A048 TDK 1: 3,35 € 2.076In Stock	Mfr. Part No. B65807J0400A048 Mouser Part No 871-B65807J0400A048	TDK	Ferrite Cores & Accessories RM6 N48 400 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	2.076In Stock	3,35 € 2,30 € 1,95 € 1,72 € View 1,50 € 1,29 €	Min.: 1 Mult.: 1	RM6	Ferrite Cores	Gapped	RM Core	RM 6	400 nH	3 %			N48		Blister Pack
Ferrite Cores & Accessories RM6 M33 100 +3%-3% Sold as set B65807N0100A033 TDK 1: 4,71 € 4.080In Stock	Mfr. Part No. B65807N0100A033 Mouser Part No 871-B65807N0100A033	TDK	Ferrite Cores & Accessories RM6 M33 100 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	4.080In Stock	4,71 € 3,22 € 2,72 € 2,37 € View 2,06 € 1,92 €	Min.: 1 Mult.: 1	RM6	Ferrite Cores	Gapped	RM Core	RM 6	100 nH	3 %			M33		Blister Pack
Ferrite Cores & Accessories RM6 N48 160 +2%-2% Sold as set B65807N0160G048 TDK 1: 4,12 € 746In Stock 1.000Expected 1/8/2027	Mfr. Part No. B65807N0160G048 Mouser Part No 871-B65807N0160G048	TDK	Ferrite Cores & Accessories RM6 N48 160 +2%-2% Sold as set Learn More about TDK ferrite cores	Datasheet	746In Stock 1.000Expected 1/8/2027	4,12 € 2,81 € 2,38 € 2,09 € View 1,81 € 1,64 €	Min.: 1 Mult.: 1	RM6	Ferrite Cores	Gapped	RM Core	RM 6	160 nH	2 %			N48		Blister Pack
Ferrite Cores & Accessories RM6 N48 400 +3%-3% Sold as set B65807N0400A048 TDK 1: 4,12 € 1.924In Stock	Mfr. Part No. B65807N0400A048 Mouser Part No 871-B65807N0400A048	TDK	Ferrite Cores & Accessories RM6 N48 400 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	1.924In Stock	4,12 € 2,81 € 2,38 € 2,09 € View 1,81 € 1,64 €	Min.: 1 Mult.: 1	RM6	Ferrite Cores	Gapped	RM Core	RM 6	400 nH	3 %			N48		Blister Pack
Ferrite Cores & Accessories RM6 N49 2200 '+30%-20% Sold as set B65807P0000R049 TDK 1: 4,13 € 1.532In Stock	Mfr. Part No. B65807P0000R049 Mouser Part No 871-B65807P0000R049	TDK	Ferrite Cores & Accessories RM6 N49 2200 '+30%-20% Sold as set Learn More about TDK ferrite cores	Datasheet	1.532In Stock	4,13 € 2,82 € 2,39 € 2,09 € View 1,81 € 1,64 €	Min.: 1 Mult.: 1	RM6	Ferrite Cores	Ungapped	RM LP Core	RM 6	2.2 uH	- 20 %, + 30 %			N49		Blister Pack
Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO B65808E1508T001 TDK 1: 1,45 € 6.667In Stock	Mfr. Part No. B65808E1508T001 Mouser Part No 871-B65808E1508T1	TDK	Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO Learn More about TDK ferrite cores	Datasheet	6.667In Stock	1,45 € 1,32 € 1,23 € 1,09 € View 1,08 € 1,01 €	Min.: 1 Mult.: 1	RM6	Hardware & Accessories	Ungapped	RM Core	RM 6			Coil Former with Angled Pins	8 Pin		Angled Pin	Bulk
Ferrite Cores & Accessories COIL FORMER RM 6 6/1 B65808N1006D001 TDK 1: 1,02 € 12.681In Stock 5.000Expected 11/17/2026	Mfr. Part No. B65808N1006D001 Mouser Part No 871-B65808N1006D001	TDK	Ferrite Cores & Accessories COIL FORMER RM 6 6/1 Learn More about TDK ferrite cores	Datasheet	12.681In Stock 5.000Expected 11/17/2026	1,02 € 0,929 € 0,886 € 0,805 € View 0,71 € 0,63 € 0,606 € 0,542 €	Min.: 1 Mult.: 1	RM6	Hardware & Accessories	Ungapped	RM Core	RM 6				6 Pin		Pin	Tray
Ferrite Cores & Accessories RM8 N48 250 +3%-3% Sold as set B65811D0250A048 TDK 1: 5,68 € 747In Stock	Mfr. Part No. B65811D0250A048 Mouser Part No 871-B65811D0250A048	TDK	Ferrite Cores & Accessories RM8 N48 250 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	747In Stock	5,68 € 3,86 € 3,28 € 2,84 € View 2,37 € 2,33 €	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Gapped	RM Core	RM 8	250 nH	3 %			N48		Blister Pack
Ferrite Cores & Accessories 250 nH 0.03 RM 8 RM Core Gapped N48 B65811F250A48 TDK 1: 7,26 € 509In Stock	Mfr. Part No. B65811F250A48 Mouser Part No 871-B65811F250A48	TDK	Ferrite Cores & Accessories 250 nH 0.03 RM 8 RM Core Gapped N48 Learn More about TDK ferrite cores	Datasheet	509In Stock	7,26 € 4,90 € 4,12 € 3,58 € 3,19 €	Min.: 1 Mult.: 1	B65811F	Ferrite Cores	Gapped	RM Core	RM 8	250 nH	3 %			N48		Blister Pack
Ferrite Cores & Accessories RM8/I-N49 Sold as set B65811J0000R049 TDK 1: 4,45 € 1.068In Stock	Mfr. Part No. B65811J0000R049 Mouser Part No 871-B65811J0000R049	TDK	Ferrite Cores & Accessories RM8/I-N49 Sold as set Learn More about TDK ferrite cores	Datasheet	1.068In Stock	4,45 € 3,04 € 2,58 € 2,26 € View 1,77 € 1,76 € 1,73 €	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Ungapped	RM Core	RM 8	2.2 uH	- 20 %, + 30 %			N49		Blister Pack
Ferrite Cores & Accessories RM8/I-N97 Sold as set B65811J0000R097 TDK 1: 4,32 € 1.974In Stock 800Expected 3/29/2027	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 3/29/2027	4,32 € 2,95 € 2,50 € 2,18 € 1,73 €	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Ungapped	RM Core	RM 8	3.3 uH	- 20 %, + 30 %			N97		Blister Pack
Ferrite Cores & Accessories RM8/I-T38 Sold as set B65811J0000Y038 TDK 1: 4,65 € 898In 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	898In Stock 4.000On Order On Order Ship Dates Mfr. No: B65811J0000Y038 Stock: 898 Can Dispatch Immediately On Order: 1.600 Expected 12/3/2026 2.400 TBD Factory Lead Time: 7 Weeks	4,65 € 3,19 € 2,71 € 2,37 € View 2,06 € 1,96 € 1,85 €	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Ungapped	RM Core	RM 8	12.5 uH	- 30 %, + 40 %			T38		Blister Pack
Ferrite Cores & Accessories RM8 N87 250 +3%-3% Sold as set B65811J0250A087 TDK 1: 2,76 € 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	2,76 € 1,90 € 1,62 € 1,42 € 1,40 €	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Gapped	RM Core	RM 8	250 nH	3 %			N87		Blister Pack
Ferrite Cores & Accessories RM8 N41 250 +5%-5% Sold as set B65811J0250J041 TDK 1: 4,50 € 1.094In Stock 1.200Expected 12/8/2026	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 12/8/2026	4,50 € 3,09 € 2,62 € 2,29 € View 1,94 € 1,78 € 1,68 €	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Gapped	RM Core	RM 8	250 nH	5 %			N41		Blister Pack
Ferrite Cores & Accessories Ferrites 1600 nH, 10%, N41, RM Core B65811J1600K041 TDK 1: 4,50 € 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	4,50 € 3,09 € 2,62 € 2,29 € View 1,94 € 1,78 € 1,68 €	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Gapped	RM Core	RM 8	1600 nH	10 %			N41		Blister Pack
Ferrite Cores & Accessories RM8/I-N87 B65811JR87 TDK 1: 3,15 € 1.272In Stock 3.200Expected 3/8/2027	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 3/8/2027	3,15 € 2,17 € 1,84 € 1,62 € View 1,38 € 1,37 € 1,34 €	Min.: 1 Mult.: 1	B65811J	Ferrite Cores	Ungapped	RM Core	RM 8	3.3 uH	- 20 %, + 30 %			N87		Blister Pack
Ferrite Cores & Accessories Coil former RM8 Sumikon PM 9630 B65812N1008D002 TDK 1: 1,82 € 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	1,82 € 1,65 € 1,47 € 1,30 € View 1,16 € 0,98 € 0,963 € 0,929 €	Min.: 1 Mult.: 1	RM8	Hardware & Accessories	Ungapped					Coil Former with Solder Pins	8 Pin		Pin	Tray
Ferrite Cores & Accessories Coil former RM8 Sumikon PM 9630 B65812N1012D002 TDK 1: 1,81 € 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 5/17/2027 5.200 Expected 6/21/2027 Factory Lead Time: 7 Weeks	1,81 € 1,47 € 1,34 € 1,30 € View 1,22 € 1,19 € 1,16 € 1,14 € 1,06 €	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Ungapped		RM 8				12 Pin			Tray
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B65812N1012D001 TDK 1: 1,20 € 9.023In Stock 6.000Expected 2/8/2027	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	9.023In Stock 6.000Expected 2/8/2027	1,20 € 1,09 € 1,01 € 0,946 € View 0,851 € 0,808 € 0,651 €	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-N49 '+30%-20% Sold as set B65813J0000R049 TDK 1: 5,50 € 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	5,50 € 3,73 € 3,16 € 2,74 € 2,30 €	Min.: 1 Mult.: 1	RM10	Ferrite Cores	Ungapped	RM Core	RM 10	2.9 uH	- 20 %, + 30 %			N49		Blister Pack
Ferrite Cores & Accessories RM 10 N87 250 '+3%-3% Sold as set B65813J0250A087 TDK 1: 4,61 € 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	4,61 € 3,15 € 2,67 € 2,32 € 1,87 €	Min.: 1 Mult.: 1	RM10	Ferrite Cores	Gapped	RM Core	RM 10	250 nH	3 %			N87		Blister Pack
Ferrite Cores & Accessories RM 10 N48 400 '+3%-3% Sold as set B65813N0400A048 TDK 1: 7,09 € 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	7,09 € 4,79 € 4,02 € 3,50 € 3,09 €	Min.: 1 Mult.: 1	RM10	Ferrite Cores	Gapped	RM Core	RM 10	400 nH	3 %			N48		Blister Pack
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B65814N1012D001 TDK 1: 1,78 € 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	1,78 € 1,62 € 1,39 € 1,26 € View 1,25 € 1,23 € 1,22 € 1,20 €	Min.: 1 Mult.: 1	RM10	Hardware & Accessories	Ungapped	RM Core	RM 10				12 Pin		Pin	Tray