Ferrite Cores & Accessories

.hide-partial { max-height: none; } .show-more { display: none; }

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 76

Applied Filters:

Series

Product

Type

Core

Core Size

Inductance

Tolerance

Accessory Type

Number of Pins

Core Material

Termination Style

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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 N87 3000 '+30%-20% Sold as set B65807P0000R087 TDK 1: $3.73 2,491In Stock	Mfr. Part No. B65807P0000R087 Mouser Part No 871-B65807P0000R087	TDK	Ferrite Cores & Accessories RM6 N87 3000 '+30%-20% Sold as set Learn More about TDK ferrite cores	Datasheet	2,491In Stock	$3.73 $2.56 $2.17 $1.90 View $1.65 $1.48 $1.46 $1.42	Min.: 1 Mult.: 1	RM6	Ferrite Cores	Ungapped	RM LP Core	RM 6	3 uH	- 20 %, + 30 %			N87		Blister Pack
Ferrite Cores & Accessories RM8 N87 4100 '+30%-20% Sold as set B65811P0000R087 TDK 1: $5.13 1,663In Stock	Mfr. Part No. B65811P0000R087 Mouser Part No 871-B65811P0000R087	TDK	Ferrite Cores & Accessories RM8 N87 4100 '+30%-20% Sold as set Learn More about TDK ferrite cores	Datasheet	1,663In Stock	$5.13 $3.50 $2.97 $2.59 View $1.99 $1.98 $1.83	Min.: 1 Mult.: 1	RM8/LP	Ferrite Cores	Ungapped	RM LP Core	RM 8	4.1 uH	- 20 %, + 30 %			N87		Blister Pack
Ferrite Cores & Accessories ER 11/5 N87 Sold as set B65525J0160A087 TDK 1: $1.47 6,561In Stock	Mfr. Part No. B65525J0160A087 Mouser Part No 871-B65525J0160A087	TDK	Ferrite Cores & Accessories ER 11/5 N87 Sold as set Learn More about TDK ferrite cores	Datasheet	6,561In Stock	$1.47 $1.06 $0.874 $0.773 View $0.68 $0.647 $0.612 $0.611	Min.: 1 Mult.: 1	ER11/2.5/6	Ferrite Cores	Gapped	ER Core	11 x 5	160 nH	3 %			N87		Bulk
Ferrite Cores & Accessories PQ 40/40 N87 4300 Tol +30-20% Sold as set B65883A0000R087 TDK 1: $11.77 269In Stock 270Expected 29/10/2026	Mfr. Part No. B65883A0000R087 Mouser Part No 871-B65883A0000R087	TDK	Ferrite Cores & Accessories PQ 40/40 N87 4300 Tol +30-20% Sold as set Learn More about TDK ferrite cores	Datasheet	269In Stock 270Expected 29/10/2026	$11.77 $7.88 $6.28 Reel $6.28 $5.96 View $5.63 $5.14 $5.11 Quote	Min.: 1 Mult.: 1 : 45	PQ40/40	Ferrite Cores	Ungapped	PQ Core	40 x 40	4.3 uH	- 20 %, + 30 %			N87		Ammo Pack
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B66422W1010D1 TDK 1: $2.27 4,198In Stock 3,900Expected 21/01/2027	Mfr. Part No. B66422W1010D1 Mouser Part No 871-B66422W1010D1	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	4,198In Stock 3,900Expected 21/01/2027	$2.27 $1.57 $1.34 $1.19 View $1.04 $0.917 $0.867	Min.: 1 Mult.: 1	B66422W	Hardware & Accessories	Ungapped	EFD Core	25 x 13 x 9			Coil Former with Solder Pins	10 Pin		Pin	Tray
Ferrite Cores & Accessories COIL FORMER RNITE FR 530 B66396W1022T1 TDK 1: $3.64 3,013In Stock	Mfr. Part No. B66396W1022T1 Mouser Part No 871-B66396W1022T1	TDK	Ferrite Cores & Accessories COIL FORMER RNITE FR 530 Learn More about TDK ferrite cores	Datasheet	3,013In Stock	$3.64 $3.30 $3.16 $2.91 View $2.51 $2.42 $2.30 $2.03	Min.: 1 Mult.: 1	B66396W	Hardware & Accessories	Ungapped	ETD Core	54 x 28 x 19				22 Pin		Pin	Tray
Ferrite Cores & Accessories ETD29/16/10 N87LP 0.5MM B66358G0500X187 TDK 1: $2.62 5,265In Stock	Mfr. Part No. B66358G0500X187 Mouser Part No 871-B66358G0500X187	TDK	Ferrite Cores & Accessories ETD29/16/10 N87LP 0.5MM Learn More about TDK ferrite cores	Datasheet	5,265In Stock	$2.62 $1.81 $1.55 $1.36 View $1.19 $0.947 $0.913	Min.: 1 Mult.: 1	ETD29/16/10	Ferrite Cores	Gapped	ETD Core	29 x 16 x 10	201 nH				N87		Bulk
Ferrite Cores & Accessories COIL FORMER RNITE FR 530 B66359W1013T1 TDK 1: $1.81 4,233In Stock	Mfr. Part No. B66359W1013T1 Mouser Part No 871-B66359W1013T1	TDK	Ferrite Cores & Accessories COIL FORMER RNITE FR 530 Learn More about TDK ferrite cores	Datasheet	4,233In Stock	$1.81 $1.64 $1.58 $1.46 View $1.34 $1.23 $1.18 $1.16 $1.03	Min.: 1 Mult.: 1	B66359W	Hardware & Accessories	Ungapped	ETD Core	29 x 16 x 10				13 Pin		Pin	Tray
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B65812N1005D002 TDK 1: $1.79 6In Stock	Mfr. Part No. B65812N1005D002 Mouser Part No 871-B65812N1005D002	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	6In Stock	$1.79 $1.39 $1.30 $1.27 View $1.19 $1.15 $1.13 $1.11 $1.03	Min.: 1 Mult.: 1	RM8	Hardware & Accessories	Ungapped	RM Core	RM 8				5 Pin		Pin	Tray
Ferrite Cores & Accessories EFD25/13/9 N87AL 315NH +/-10% B66421U0315K187 TDK 1: $1.84 914In Stock 9,100On Order	Mfr. Part No. B66421U0315K187 Mouser Part No 871-B66421U0315K187	TDK	Ferrite Cores & Accessories EFD25/13/9 N87AL 315NH +/-10% Learn More about TDK ferrite cores	Datasheet	914In Stock 9,100On Order On Order Ship Dates Mfr. No: B66421U0315K187 Stock: 914 Can Dispatch Immediately On Order: 2,600 Expected 03/03/2027 6,500 Expected 15/03/2027 Factory Lead Time: 10 Weeks	$1.84 $1.28 $1.09 $0.962 View $0.847 $0.703 $0.638 $0.621 $0.582	Min.: 1 Mult.: 1	EFD25/13/9	Ferrite Cores	Gapped	EFD Core	25 x 13 x 9	315 nH	10 %			N87		Bulk
Ferrite Cores & Accessories ETD29/16/10 N87LP 0.1MM B66358G0100X187 TDK 1: $2.59 1,048In Stock	Mfr. Part No. B66358G0100X187 Mouser Part No 871-B66358G0100X187	TDK	Ferrite Cores & Accessories ETD29/16/10 N87LP 0.1MM Learn More about TDK ferrite cores	Datasheet	1,048In Stock	$2.59 $1.79 $1.53 $1.35 View $1.18 $0.946 $0.913	Min.: 1 Mult.: 1	ETD29/16/10	Ferrite Cores	Gapped	ETD Core	29 x 16 x 10	621 nH				N87		Bulk
Ferrite Cores & Accessories ETD29/16/10 N87LP 0.2MM B66358G0200X187 TDK 1: $2.63 931In Stock	Mfr. Part No. B66358G0200X187 Mouser Part No 871-B66358G0200X187	TDK	Ferrite Cores & Accessories ETD29/16/10 N87LP 0.2MM Learn More about TDK ferrite cores	Datasheet	931In Stock	$2.63 $1.82 $1.55 $1.37 View $1.20 $0.947 $0.913	Min.: 1 Mult.: 1	ETD29/16/10	Ferrite Cores	Gapped	ETD Core	29 x 16 x 10	383 nH				N87		Bulk
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B65808N1005D001 TDK 1: $1.49 947In Stock	Mfr. Part No. B65808N1005D001 Mouser Part No 871-B65808N1005D001	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	947In Stock	$1.49 $1.35 $1.20 $1.06 View $0.936 $0.812 $0.806 $0.805	Min.: 1 Mult.: 1	RM6	Hardware & Accessories	Ungapped	RM Core	RM 6				5 Pin		Pin	Tray
Ferrite Cores & Accessories ER9.5-N87 +30%-20% Sold as set B65523J0000R087 TDK 1: $1.40 5,632In Stock	Mfr. Part No. B65523J0000R087 Mouser Part No 871-B65523J0000R087	TDK	Ferrite Cores & Accessories ER9.5-N87 +30%-20% Sold as set Learn More about TDK ferrite cores	Datasheet	5,632In Stock	$1.40 $0.968 $0.832 $0.753 View $0.663 $0.545 $0.484 $0.482 $0.451	Min.: 1 Mult.: 1	ER9.5	Ferrite Cores	Ungapped	ER Core	9.5 x 5	800 nH	- 20 %, + 30 %			N87		Bulk
Ferrite Cores & Accessories ER11/5-N87 Sold as set B65525J0000R087 TDK 1: $1.80 11,696In Stock 20,000On Order	Mfr. Part No. B65525J0000R087 Mouser Part No 871-B65525J0000R087	TDK	Ferrite Cores & Accessories ER11/5-N87 Sold as set Learn More about TDK ferrite cores	Datasheet	11,696In Stock 20,000On Order	$1.80 $1.25 $1.07 $0.955 View $0.839 $0.697 $0.599 $0.591	Min.: 1 Mult.: 1	ER11/5	Ferrite Cores	Ungapped	ER Core	11 x 5	1.2 uH	- 20 %, + 30 %			N87		Bulk
Ferrite Cores & Accessories CF-ER11/5-VSG-1S-10P B65526B1010T1 TDK 1: $1.61 4,765In Stock 4,000Expected 10/11/2026	Mfr. Part No. B65526B1010T1 Mouser Part No 871-B65526B1010T1	TDK	Ferrite Cores & Accessories CF-ER11/5-VSG-1S-10P Learn More about TDK ferrite cores	Datasheet	4,765In Stock 4,000Expected 10/11/2026	$1.61 $1.46 $1.40 $1.36 View $1.27 $1.13 $1.09	Min.: 1 Mult.: 1	B65526B	Hardware & Accessories	Ungapped	ER Core	11 x 5			Coil Former with Gull Wing Terminals	10 Pin		Gullwing	Tray
Ferrite Cores & Accessories COIL FORMER Laperos C 130 B65527B1008T001 TDK 1: $1.27 2,888In Stock 5,000Expected 19/10/2026	Mfr. Part No. B65527B1008T001 Mouser Part No 871-B65527B1008T1	TDK	Ferrite Cores & Accessories COIL FORMER Laperos C 130 Learn More about TDK ferrite cores	Datasheet	2,888In Stock 5,000Expected 19/10/2026	$1.27 $1.16 $1.11 $1.08 View $0.99 $0.902 $0.864 $0.849 $0.82	Min.: 1 Mult.: 1	ER9.5	Hardware & Accessories	Ungapped	ER Core	9.5 x 5			Coil Former with Gull Wing Terminals	8 Pin		Gullwing	Tray
Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO B65808E1508T001 TDK 1: $1.69 1,718In Stock 5,000Expected 02/11/2026	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	1,718In Stock 5,000Expected 02/11/2026	$1.69 $1.53 $1.39 $1.23 View $1.18 $1.17	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: $1.49 12,968In Stock	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	12,968In Stock	$1.49 $1.24 $1.13 $1.05 View $0.921 $0.747 $0.705 $0.676	Min.: 1 Mult.: 1	RM6	Hardware & Accessories	Ungapped	RM Core	RM 6				6 Pin		Pin	Tray
Ferrite Cores & Accessories RM8 N87 250 +3%-3% Sold as set B65811J0250A087 TDK 1: $4.14 1,137In 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	1,137In Stock	$4.14 $2.84 $2.41 $2.11 View $1.60 $1.56	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Gapped	RM Core	RM 8	250 nH	3 %			N87		Blister Pack
Ferrite Cores & Accessories RM8/I-N87 B65811JR87 TDK 1: $4.22 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	$4.22 $2.89 $2.45 $2.15 View $1.74 $1.69 $1.60	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 SUMIKON PM 9630 B65812N1008D001 TDK 1: $1.40 3,353In Stock 14,800On 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	3,353In Stock 14,800On Order On Order Ship Dates Mfr. No: B65812N1008D001 Stock: 3,353 Can Dispatch Immediately On Order: 7,600 Expected 12/01/2027 7,200 Expected 28/01/2027 Factory Lead Time: 7 Weeks	$1.40 $1.27 $1.13 $0.994 View $0.96 $0.81	Min.: 1 Mult.: 1	RM8	Hardware & Accessories	Ungapped	RM Core	RM 8				8 Pin		Pin	Tray
Ferrite Cores & Accessories RM12/I-N87 '+30%-20% Sold as set B65815E0000R087 TDK 1: $7.30 1,215In Stock 900Expected 19/10/2026	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	1,215In Stock 900Expected 19/10/2026	$7.30 $5.01 $4.09 $3.67 View $3.19 $3.10	Min.: 1 Mult.: 1	RM12	Ferrite Cores	Ungapped	RM Core	RM 12	5.3 uH	- 20 %, + 30 %	Core		N87	SMD/SMT	Bulk
Ferrite Cores & Accessories COIL FORMER RYNITE FR 530 B66359X1014T001 TDK 1: $2.54 1,517In Stock	Mfr. Part No. B66359X1014T001 Mouser Part No 871-B66359X1014T001	TDK	Ferrite Cores & Accessories COIL FORMER RYNITE FR 530 Learn More about TDK ferrite cores	Datasheet	1,517In Stock	$2.54 $2.13 $1.82 $1.60 View $1.40 $1.26 $1.21	Min.: 1 Mult.: 1	ETD29/16/10	Hardware & Accessories	Ungapped	ETD Core	29 x 16 x 10				14 Pin		Pin	Tray
Ferrite Cores & Accessories EFD15/8/5 N87 B66413GX187 TDK 1: $1.03 17,792In Stock 19,200Expected 14/01/2027	Mfr. Part No. B66413GX187 Mouser Part No 871-B66413GX187	TDK	Ferrite Cores & Accessories EFD15/8/5 N87 Learn More about TDK ferrite cores	Datasheet	17,792In Stock 19,200Expected 14/01/2027	$1.03 $0.713 $0.613 $0.544 View $0.481 $0.371 $0.346 $0.309	Min.: 1 Mult.: 1	B66413G	Ferrite Cores	Ungapped	EFD Core	15 x 8 x 5	780 nH	- 20 %, + 30 %			N87		Tray