Ferrite Cores & Accessories

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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.	Series	Product	Type	Core	Core Size	Inductance	Tolerance	Accessory Type	Core Material	Packaging
Ferrite Cores & Accessories RM6/I-N49 '+30%-20% Sold as set B65807J0000R049 TDK 1: £2.09 12,039In Stock	Mfr. Part No. B65807J0000R049 Mouser Part No 871-B65807J0000R049	TDK	Ferrite Cores & Accessories RM6/I-N49 '+30%-20% Sold as set Learn More about TDK ferrite cores	Datasheet	12,039In Stock	£2.09 £1.61 £1.45 £1.33 View £1.22 £1.09	Min.: 1 Mult.: 1	RM6	Ferrite Cores	Ungapped	RM Core	RM 6	1.7 uH	- 20 %, + 30 %		N49	Blister Pack
Ferrite Cores & Accessories ETD59/31/22 N97OL B66397GX197 TDK 1: £9.68 2,360In Stock	Mfr. Part No. B66397GX197 Mouser Part No 871-B66397GX197	TDK	Ferrite Cores & Accessories ETD59/31/22 N97OL Learn More about TDK ferrite cores	Datasheet	2,360In Stock	£9.68 £6.47 £5.04 £4.58 View £4.50 £4.43	Min.: 1 Mult.: 1	B66397G	Ferrite Cores	Ungapped	ETD Core	59 x 31 x 22	5.5 uH	- 20 %, + 30 %		N97	Bulk
Ferrite Cores & Accessories RM6 N48 250 +3%-3% Sold as set B65807C0250A048 TDK 1: £3.03 1,965In Stock	Mfr. Part No. B65807C0250A048 Mouser Part No 871-B65807C0250A048	TDK	Ferrite Cores & Accessories RM6 N48 250 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	1,965In Stock	£3.03 £2.07 £1.76 £1.53 View £1.34 £1.20 £1.14 £1.13	Min.: 1 Mult.: 1	RM6	Ferrite Cores	Gapped	RM Core	RM 6	250 nH	3 %		N48	Blister Pack
Ferrite Cores & Accessories RM6 K1 40 +3%-3% Sold as set B65807N0040A001 TDK 1: £7.46 2,705In Stock	Mfr. Part No. B65807N0040A001 Mouser Part No 871-B65807N0040A001	TDK	Ferrite Cores & Accessories RM6 K1 40 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	2,705In Stock	£7.46 £5.01 £4.21 £3.63 £3.37	Min.: 1 Mult.: 1	RM6	Ferrite Cores	Gapped	RM Core	RM 6	40 nH	3 %		K1	Blister Pack
Ferrite Cores & Accessories EP7-N87 Sold as set B65839A0000R087 TDK 1: £1.22 2,632In Stock	Mfr. Part No. B65839A0000R087 Mouser Part No 871-B65839A0000R087	TDK	Ferrite Cores & Accessories EP7-N87 Sold as set Learn More about TDK epcos ep transformers	Datasheet	2,632In Stock	£1.22 £0.849 £0.725 £0.643 View £0.566 £0.472 £0.406	Min.: 1 Mult.: 1	EP7	Ferrite Cores	Ungapped	EP Core	EP 7	1.1 uH	- 20 %, + 30 %		N87	Bulk
Ferrite Cores & Accessories E42/21/15 N87OL B66325GX187 TDK 1: £3.73 2,000In Stock	Mfr. Part No. B66325GX187 Mouser Part No 871-B66325GX187	TDK	Ferrite Cores & Accessories E42/21/15 N87OL Learn More about TDK ferrite cores	Datasheet	2,000In Stock	£3.73 £2.55 £2.16 £1.89 £1.48	Min.: 1 Mult.: 1	B66325G	Ferrite Cores	Ungapped	E Core	42 x 21 x 15	3.95 uH	- 20 %, + 30 %		N87	Bulk
Ferrite Cores & Accessories ETD34/17 11-N87-G1000 B66361G1000X187 TDK 1: £2.08 3,684In Stock	Mfr. Part No. B66361G1000X187 Mouser Part No 871-B66361G1000X187	TDK	Ferrite Cores & Accessories ETD34/17 11-N87-G1000 Learn More about TDK ferrite cores	Datasheet	3,684In Stock	£2.08 £1.43 £1.22 £1.08 View £0.943 £0.753	Min.: 1 Mult.: 1	ETD34/17/11	Ferrite Cores	Gapped	ETD Core	34 x 17 x 11	153 nH			N87	Bulk
Ferrite Cores & Accessories EFD15/8/5 N 49OL B66413G0000X149 TDK 1: £1.00 11,515In Stock	Mfr. Part No. B66413G0000X149 Mouser Part No 871-B66413G0000X149	TDK	Ferrite Cores & Accessories EFD15/8/5 N 49OL Learn More about TDK ferrite cores	Datasheet	11,515In Stock	£1.00 £0.698 £0.598 £0.528 View £0.47 £0.389 £0.345 £0.313 £0.312	Min.: 1 Mult.: 1	EFD15/8/5	Ferrite Cores	Ungapped	EFD Core	15 x 8 x 5	600 nH	- 20 %, + 30 %		N49	Bulk
Ferrite Cores & Accessories 3.6/2.1/2.5 DOUBLE-APERTURE CORE B62152A0008X030 TDK 1: £0.458 57,898In Stock	Mfr. Part No. B62152A0008X030 Mouser Part No 871-B62152A0008X030	TDK	Ferrite Cores & Accessories 3.6/2.1/2.5 DOUBLE-APERTURE CORE Learn More about TDK ferrite cores	Datasheet	57,898In Stock	£0.458 £0.32 £0.277 £0.247 View £0.219 £0.185 £0.162 £0.141 £0.129	Min.: 1 Mult.: 1	MHB2-2.5/3.6/2.1	Multi-Hole Cores	Ungapped			3.1 uH			N30	Bulk
Ferrite Cores & Accessories 4.0 X 2.4 X 1.6 TOROID B64290P0036X038 TDK 1: £0.39 17,627In Stock	Mfr. Part No. B64290P0036X038 Mouser Part No 871-B64290P0036X038	TDK	Ferrite Cores & Accessories 4.0 X 2.4 X 1.6 TOROID Learn More about TDK infineon powertrain	Datasheet	17,627In Stock	£0.39 £0.265 £0.239 £0.213 View £0.189 £0.161 £0.141 £0.122 £0.109	Min.: 1 Mult.: 1	TC4.0/2.4/1.6	Toroids	Ungapped			1.63 uH			T38	Bulk
Ferrite Cores & Accessories ER 11/5 N87 Sold as set B65525J0160A087 TDK 1: £1.41 6,531In 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	6,531In Stock	£1.41 £0.943 £0.818 £0.726 View £0.644 £0.539 £0.478	Min.: 1 Mult.: 1	ER11/2.5/6	Ferrite Cores	Gapped	ER Core	11 x 5	160 nH	3 %		N87	Bulk
Ferrite Cores & Accessories P22/13-N30 +30%-20% Sold as set B65661D0000R030 TDK 1: £4.34 1,378In Stock	Mfr. Part No. B65661D0000R030 Mouser Part No 871-B65661D0000R030	TDK	Ferrite Cores & Accessories P22/13-N30 +30%-20% Sold as set Learn More about TDK ferrite cores	Datasheet	1,378In Stock	£4.34 £2.95 £2.50 £2.17 View £1.89 £1.78	Min.: 1 Mult.: 1	P22/13	Ferrite Cores	Ungapped	P Core	22 x 13	7 uH	- 20 %, + 30 %		N30	Bulk
Ferrite Cores & Accessories RM4 T385000 +40%-30% Sold as set B65803P0000Y038 TDK 1: £3.45 6,335In Stock	Mfr. Part No. B65803P0000Y038 Mouser Part No 871-B65803P0000Y038	TDK	Ferrite Cores & Accessories RM4 T385000 +40%-30% Sold as set Learn More about TDK ferrite cores	Datasheet	6,335In Stock	Cut Tape £3.45 £2.36 £2.00 £1.75 View Reel £1.36 £1.52 £1.36 £1.36	Min.: 1 Mult.: 1 : 800	RM4/LP	Ferrite Cores	Ungapped	RM LP Core	RM 4	5 uH	- 30 %, + 40 %		T38	Reel, Cut Tape
Ferrite Cores & Accessories RM 5 N48315 + 3%- 3% Sold as set B65805C0315A048 TDK 1: £2.57 2,149In Stock	Mfr. Part No. B65805C0315A048 Mouser Part No 871-B65805C0315A048	TDK	Ferrite Cores & Accessories RM 5 N48315 + 3%- 3% Sold as set Learn More about TDK ferrite cores	Datasheet	2,149In Stock	£2.57 £1.75 £1.55 £1.38 View £1.22 £1.04	Min.: 1 Mult.: 1	RM5	Ferrite Cores	Gapped	RM Core	RM 5	315 nH	3 %		N48	Blister Pack
Ferrite Cores & Accessories RM5 N87 160 +3%-3% Sold as set B65805J0160A087 TDK 1: £2.84 1,428In Stock	Mfr. Part No. B65805J0160A087 Mouser Part No 871-B65805J0160A087	TDK	Ferrite Cores & Accessories RM5 N87 160 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	1,428In Stock	£2.84 £1.96 £1.66 £1.46 View £1.27 £1.08	Min.: 1 Mult.: 1	RM5	Ferrite Cores	Gapped	RM Core	RM 5	160 nH	3 %		N87	Blister Pack
Ferrite Cores & Accessories RM6/I-N41 '+30%-20% Sold as set B65807J0000R041 TDK 1: £2.69 2,796In Stock	Mfr. Part No. B65807J0000R041 Mouser Part No 871-B65807J0000R041	TDK	Ferrite Cores & Accessories RM6/I-N41 '+30%-20% Sold as set Learn More about TDK ferrite cores	Datasheet	2,796In Stock	£2.69 £1.85 £1.57 £1.38 View £1.20 £1.02	Min.: 1 Mult.: 1	RM6	Ferrite Cores	Ungapped	RM Core	RM 6	3.1 uH	- 20 %, + 30 %		N41	Blister Pack
Ferrite Cores & Accessories RM6 M33 63 +3%-3% Sold as set B65807N0063A033 TDK 1: £4.10 1,989In Stock	Mfr. Part No. B65807N0063A033 Mouser Part No 871-B65807N0063A033	TDK	Ferrite Cores & Accessories RM6 M33 63 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	1,989In Stock	£4.10 £2.77 £2.37 £2.07 View £1.80 £1.68	Min.: 1 Mult.: 1	RM6	Ferrite Cores	Gapped	RM Core	RM 6	63 nH	3 %		M33	Blister Pack
Ferrite Cores & Accessories EP13-N87 '+30%-20% Sold as set B65843A0000R087 TDK 1: £1.87 2,922In Stock	Mfr. Part No. B65843A0000R087 Mouser Part No 871-B65843A0000R087	TDK	Ferrite Cores & Accessories EP13-N87 '+30%-20% Sold as set Learn More about TDK epcos ep transformers	Datasheet	2,922In Stock	£1.87 £1.30 £1.10 £0.978 View £0.856 £0.703 £0.666	Min.: 1 Mult.: 1	EP13	Ferrite Cores	Ungapped	EP Core	EP 13	1.6 uH	- 20 %, + 30 %		N87	Tray
Ferrite Cores & Accessories E13/7/4 N27 LP 0.04MM B66305G0040X127 TDK 1: £0.653 23,842In Stock	Mfr. Part No. B66305G0040X127 Mouser Part No 871-B66305G0040X127	TDK	Ferrite Cores & Accessories E13/7/4 N27 LP 0.04MM Learn More about TDK ferrite cores	Datasheet	23,842In Stock	£0.653 £0.455 £0.392 £0.348 View £0.308 £0.26 £0.226 £0.194	Min.: 1 Mult.: 1	E13/7/4	Ferrite Cores	Gapped	E Core	13 x 7 x 4 (EF 12.6)	250 nH		Core	N27	Tray
Ferrite Cores & Accessories RM5/I-N49 +30%-20% Sold as set B65805J0000R049 TDK 1: £3.36 1,945In Stock	Mfr. Part No. B65805J0000R049 Mouser Part No 871-B65805J0000R049	TDK	Ferrite Cores & Accessories RM5/I-N49 +30%-20% Sold as set Learn More about TDK ferrite cores	Datasheet	1,945In Stock	£3.36 £2.30 £1.96 £1.71 View £1.48 £1.33	Min.: 1 Mult.: 1	RM5	Ferrite Cores	Ungapped	RM Core	RM 5	1.3 uH	- 20 %, + 30 %		N49	Blister Pack
Ferrite Cores & Accessories RM 10 N87 160 '+3%-3% Sold as set B65813J0160A087 TDK 1: £4.02 705In Stock	Mfr. Part No. B65813J0160A087 Mouser Part No 871-B65813J0160A087	TDK	Ferrite Cores & Accessories RM 10 N87 160 '+3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	705In Stock	£4.02 £2.75 £2.33 £2.03 £1.63	Min.: 1 Mult.: 1	RM10	Ferrite Cores	Gapped	RM Core	RM 10	160 nH	3 %		N87	Blister Pack
Ferrite Cores & Accessories EP13-N30 '+30%-20% Sold as set B65843A0000R030 TDK 1: £1.32 2,065In Stock	Mfr. Part No. B65843A0000R030 Mouser Part No 871-B65843A0000R030	TDK	Ferrite Cores & Accessories EP13-N30 '+30%-20% Sold as set Learn More about TDK epcos ep transformers	Datasheet	2,065In Stock	£1.32 £0.969 £0.849 £0.773 View £0.695 £0.608 £0.556	Min.: 1 Mult.: 1	EP13	Ferrite Cores	Ungapped	EP Core	EP 13	2.8 uH	- 20 %, + 30 %		N30	Bulk
Ferrite Cores & Accessories RM14/I-N41 '+30%-20% Sold as set B65887E0000R041 TDK 1: £11.43 197In Stock	Mfr. Part No. B65887E0000R041 Mouser Part No 871-B65887E0000R041	TDK	Ferrite Cores & Accessories RM14/I-N41 '+30%-20% Sold as set Learn More about TDK ferrite cores	Datasheet	197In Stock	£11.43 £7.60 £6.32 £5.59	Min.: 1 Mult.: 1	RM14	Ferrite Cores	Ungapped	RM Core	RM 14	6.8 uH	- 20 %, + 30 %		N41	Bulk
Ferrite Cores & Accessories ELP64/10/50 N49 8000 '+30%-30% B66295G0000X149 TDK 1: £16.92 116In Stock 120Expected 01/02/2027	Mfr. Part No. B66295G0000X149 Mouser Part No 871-B66295G0000X149	TDK	Ferrite Cores & Accessories ELP64/10/50 N49 8000 '+30%-30% Learn More about TDK ferrite cores	Datasheet	116In Stock 120Expected 01/02/2027	£16.92 £11.04 £9.15 £8.74	Min.: 1 Mult.: 1	ELP64/10/50	Ferrite Cores	Ungapped	ELP Core	64 x 10 x 50	8 uH	30 %	EILP 64 Core Set	N49	Bulk
Ferrite Cores & Accessories E13/7/4 N27OL B66305G0000X127 TDK 1: £0.436 16,313In Stock	Mfr. Part No. B66305G0000X127 Mouser Part No 871-B66305G0000X127	TDK	Ferrite Cores & Accessories E13/7/4 N27OL Learn More about TDK ferrite cores	Datasheet	16,313In Stock	£0.436 £0.304 £0.263 £0.234 View £0.208 £0.176 £0.154 £0.143 £0.121	Min.: 1 Mult.: 1	E13/7/4	Ferrite Cores	Ungapped	E Core	13 x 7 x 4 (EF 12.6)	800 nH	- 20 %, + 30 %	Core	N27	Bulk