Ferrite Cores & Accessories – Mouser United Kingdom

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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 COIL FORMER POCAN B4235 B66230A1114T001 TDK 1: £1.91 4,049In Stock	Mfr. Part No. B66230A1114T001 Mouser Part No 871-B66230A1114T001	TDK	Ferrite Cores & Accessories COIL FORMER POCAN B4235 Learn More about TDK ferrite cores	Datasheet	4,049In Stock	£1.91 £1.73 £1.58 £1.45 View £1.32 £1.26 £1.24 £1.22 £1.19	Min.: 1 Mult.: 1	E32/16/9	Hardware & Accessories	Ungapped	E Core	32 x 16 x 9 (EF 32)			Coil Former	14 Pin		Pin	Tray
Ferrite Cores & Accessories E13/7/4 N87 850 +30% -20% B66305GX187 TDK 1: £0.548 8,350In Stock 10,350Expected 26/10/2026	Mfr. Part No. B66305GX187 Mouser Part No 871-B66305GX187	TDK	Ferrite Cores & Accessories E13/7/4 N87 850 +30% -20% Learn More about TDK ferrite cores	Datasheet	8,350In Stock 10,350Expected 26/10/2026	£0.548 £0.376 £0.325 £0.289 View £0.257 £0.217 £0.19 £0.166 £0.162	Min.: 1 Mult.: 1	B66305G	Ferrite Cores	Ungapped	E Core	13 x 7 x 4 (EF 12.6)	850 nH	- 20 %, + 30 %			N87		Bulk
Ferrite Cores & Accessories E16/8/5 N27LP=0.06MM B66307G0060X127 TDK 1: £0.849 7,322In Stock	Mfr. Part No. B66307G0060X127 Mouser Part No 871-B66307G0060X127	TDK	Ferrite Cores & Accessories E16/8/5 N27LP=0.06MM Learn More about TDK ferrite cores	Datasheet	7,322In Stock	£0.849 £0.586 £0.505 £0.465 View £0.41 £0.333 £0.308 £0.301 £0.292	Min.: 1 Mult.: 1	E16/8/5	Ferrite Cores	Gapped	E Core	16 x 8 x 5 (EF 16)	303 nH	0.25 %			N27		Bulk
Ferrite Cores & Accessories E42/21/15 N87OL B66325GX187 TDK 1: £3.73 2,035In 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	2,035In 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 E16/8/5 N87 gap 0.24+-0.02 mm B66307G0240X187 TDK 1: £0.89 4,704In Stock	Mfr. Part No. B66307G0240X187 Mouser Part No 871-B66307G240X187	TDK	Ferrite Cores & Accessories E16/8/5 N87 gap 0.24+-0.02 mm Learn More about TDK ferrite cores	Datasheet	4,704In Stock	£0.89 £0.62 £0.533 £0.473 View £0.418 £0.351 £0.306 £0.298 £0.284	Min.: 1 Mult.: 1	E16/8/5	Ferrite Cores	Gapped	E Core	16 x 8 x 5 (EF 16)	240 nH				N87		Bulk
Ferrite Cores & Accessories E47/20/16 N87OL B66383G0000X187 TDK 1: £4.44 1,101In Stock	Mfr. Part No. B66383G0000X187 Mouser Part No 871-B66383G0000X187	TDK	Ferrite Cores & Accessories E47/20/16 N87OL Learn More about TDK ferrite cores	Datasheet	1,101In Stock	£4.44 £3.07 £2.55 £2.28 £2.07	Min.: 1 Mult.: 1	E47/20/16	Ferrite Cores	Ungapped	E Core	47 x 20 x 16	5.6 uH	- 20 %, + 30 %			N87		Bulk
Ferrite Cores & Accessories COV-E8.8 (PA 46) B66302A2000X000 TDK 1: £0.759 5,199In Stock	Mfr. Part No. B66302A2000X000 Mouser Part No 871-B66302A2000X000	TDK	Ferrite Cores & Accessories COV-E8.8 (PA 46) Learn More about TDK ferrite cores	Datasheet	5,199In Stock	£0.759 £0.662 £0.598 £0.56 View £0.51 £0.409 £0.403	Min.: 1 Mult.: 1	E6.3	Hardware & Accessories	Ungapped	E Core	E 8.8							Bulk
Ferrite Cores & Accessories E13/7/4 N27OL B66305G0000X127 TDK 1: £0.436 16,323In 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	16,323In Stock	£0.436 £0.301 £0.26 £0.232 View £0.207 £0.175 £0.153 £0.133 £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
Ferrite Cores & Accessories E25/13/7 N87 gap 0.1+-0.02 mm B66317G0100X187 TDK 1: £0.788 3,694In Stock	Mfr. Part No. B66317G0100X187 Mouser Part No 871-B66317G100X187	TDK	Ferrite Cores & Accessories E25/13/7 N87 gap 0.1+-0.02 mm Learn More about TDK ferrite cores	Datasheet	3,694In Stock	£0.788 £0.55 £0.474 £0.421 View £0.372 £0.325 £0.306	Min.: 1 Mult.: 1	E25/13/7	Ferrite Cores	Gapped	E Core	25 x 13 x 7 (EF 25)	489 nH				N87		Bulk
Ferrite Cores & Accessories E42/21/20 N87OL B66329GX187 TDK 1: £3.94 3,602In Stock	Mfr. Part No. B66329GX187 Mouser Part No 871-B66329GX187	TDK	Ferrite Cores & Accessories E42/21/20 N87OL Learn More about TDK ferrite cores	Datasheet	3,602In Stock	£3.94 £2.72 £2.31 £1.96 £1.89	Min.: 1 Mult.: 1	B66329G	Ferrite Cores	Ungapped	E Core	42 x 21 x 20	5.2 nH	- 20 %, + 30 %			N87		Bulk
Ferrite Cores & Accessories E36/18/11 N87 3100 +30% -20% B66389GX187 TDK 1: £2.16 1,563In Stock	Mfr. Part No. B66389GX187 Mouser Part No 871-B66389GX187	TDK	Ferrite Cores & Accessories E36/18/11 N87 3100 +30% -20% Learn More about TDK ferrite cores	Datasheet	1,563In Stock	£2.16 £1.75 £1.29 £1.20 View £1.09 £1.06 £0.986	Min.: 1 Mult.: 1	B66389G	Ferrite Cores	Ungapped	E Core	36 x 18 x 11	3.1 uH	- 20 %, + 30 %			N87		Bulk
Ferrite Cores & Accessories YOKE EF25 B66208A2003X000 TDK 1: £2.05 2,364In Stock	Mfr. Part No. B66208A2003X000 Mouser Part No 871-B66208A2003X000	TDK	Ferrite Cores & Accessories YOKE EF25 Learn More about TDK ferrite cores	Datasheet	2,364In Stock	£2.05 £1.86 £1.83	Min.: 1 Mult.: 1	E25/13/7	Hardware & Accessories	Ungapped	E Core	25 x 13 x 7 (EF 25)			Yoke				Bulk
Ferrite Cores & Accessories E16/8/5 N30 1400 +30% -20% B66307GX130 TDK 1: £0.684 8,870In Stock	Mfr. Part No. B66307GX130 Mouser Part No 871-B66307GX130	TDK	Ferrite Cores & Accessories E16/8/5 N30 1400 +30% -20% Learn More about TDK ferrite cores	Datasheet	8,870In Stock	£0.684 £0.457 £0.395 £0.351 View £0.311 £0.27 £0.235 £0.223 £0.218	Min.: 1 Mult.: 1	B66307G	Ferrite Cores	Ungapped	E Core	16 x 8 x 5 (EF 16)	1.4 uH	- 20 %, + 30 %			N30		Bulk
Ferrite Cores & Accessories E20/10/6 N87LP 0.250 MM B66311G0250X187 TDK 1: £0.917 18,502In Stock	Mfr. Part No. B66311G0250X187 Mouser Part No 871-B66311G0250X187	TDK	Ferrite Cores & Accessories E20/10/6 N87LP 0.250 MM Learn More about TDK ferrite cores	Datasheet	18,502In Stock	£0.917 £0.629 £0.543 £0.50 View £0.44 £0.357 £0.331 £0.314	Min.: 1 Mult.: 1	E20/10/6	Ferrite Cores	Gapped	E Core	20 x 10 x 6 (EF 20)	171 nH		Core		N87		Bulk
Ferrite Cores & Accessories E25/13/7 N87LP=1.0MM B66317G1000X187 TDK 1: £0.899 3,600In Stock	Mfr. Part No. B66317G1000X187 Mouser Part No 871-B66317G1000X187	TDK	Ferrite Cores & Accessories E25/13/7 N87LP=1.0MM Learn More about TDK ferrite cores	Datasheet	3,600In Stock	£0.899 £0.574 £0.507 £0.454 View £0.402 £0.344 £0.327 £0.302	Min.: 1 Mult.: 1	E25/13/7	Ferrite Cores	Gapped	E Core	25 x 13 x 7 (EF 25)	91 nH				N87		Bulk
Ferrite Cores & Accessories E13/7/4 N27 LP 0.04MM B66305G0040X127 TDK 1: £0.653 24,092In 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	24,092In Stock	£0.653 £0.455 £0.392 £0.348 View £0.308 £0.26 £0.226 £0.205 £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 E20/10/6 N87LP 0.09OMM B66311G0090X187 TDK 1: £0.773 4,159In Stock	Mfr. Part No. B66311G0090X187 Mouser Part No 871-B66311G0090X187	TDK	Ferrite Cores & Accessories E20/10/6 N87LP 0.09OMM Learn More about TDK ferrite cores	Datasheet	4,159In Stock	£0.773 £0.537 £0.462 £0.41 View £0.362 £0.314	Min.: 1 Mult.: 1	E20/10/6	Ferrite Cores	Gapped	E Core	20 x 10 x 6 (EF 20)	363 nH		Core		N87		Bulk
Ferrite Cores & Accessories E42/21/15 N30OL B66325G0000X130 TDK 1: £4.22 674In Stock	Mfr. Part No. B66325G0000X130 Mouser Part No 871-B66325G0000X130	TDK	Ferrite Cores & Accessories E42/21/15 N30OL Learn More about TDK ferrite cores	Datasheet	674In Stock	£4.22 £2.87 £2.44 £2.12 View £1.92 £1.83 £1.76 £1.75	Min.: 1 Mult.: 1	E42/21/15	Ferrite Cores	Ungapped	E Core	42 x 21 x 15					N30		Bulk
Ferrite Cores & Accessories E42/21/15 N27LP 1.0 MM B66325G1000X127 TDK 1: £3.68 814In Stock	Mfr. Part No. B66325G1000X127 Mouser Part No 871-B66325G1000X127	TDK	Ferrite Cores & Accessories E42/21/15 N27LP 1.0 MM Learn More about TDK ferrite cores	Datasheet	814In Stock	£3.68 £2.51 £2.14 £1.87 View £1.63 £1.48	Min.: 1 Mult.: 1	E42/21/15	Ferrite Cores	Gapped	E Core	42 x 21 x 15	272 nH				N27		Bulk
Ferrite Cores & Accessories E42/21/20 N97OL B66329G0000X197 TDK 1: £4.53 493In Stock	Mfr. Part No. B66329G0000X197 Mouser Part No 871-B66329G0000X197	TDK	Ferrite Cores & Accessories E42/21/20 N97OL Learn More about TDK ferrite cores	Datasheet	493In Stock	£4.53 £3.08 £2.60 £2.50	Min.: 1 Mult.: 1	E42/21/20	Ferrite Cores	Ungapped	E Core	42 x 21 x 20	5.4 uH	- 20 %, + 30 %			N97		Bulk
Ferrite Cores & Accessories CF-E65-1S B66388A2000T001 TDK 1: £11.08 199In Stock	Mfr. Part No. B66388A2000T001 Mouser Part No 871-B66388A2000T1	TDK	Ferrite Cores & Accessories CF-E65-1S Learn More about TDK ferrite cores	Datasheet	199In Stock	£11.08 £9.04 £8.92 £8.62 View £7.94 £7.85 £7.83	Min.: 1 Mult.: 1	E65/32/27	Hardware & Accessories	Ungapped	E Core	65 x 32 x 27			Coil Former				Tray
Ferrite Cores & Accessories CF-E42/21 15-H-1S-18P/ B66243B1018T1 TDK 1: £2.36 4,209In Stock	Mfr. Part No. B66243B1018T1 Mouser Part No 871-B66243B1018T1	TDK	Ferrite Cores & Accessories CF-E42/21 15-H-1S-18P/ Learn More about TDK ferrite cores	Datasheet	4,209In Stock	£2.36 £2.14 £2.05 £1.96 View £1.76 £1.68 £1.64 £1.59	Min.: 1 Mult.: 1	B66243B	Hardware & Accessories	Ungapped	E Core	42 x 21 x 20				18 Pin		Pin	Tray
Ferrite Cores & Accessories E32/16/9 N30 3800 +30% -20% B66229G0000X130 TDK 1: £1.93 528In Stock	Mfr. Part No. B66229G0000X130 Mouser Part No 871-B66229GX130	TDK	Ferrite Cores & Accessories E32/16/9 N30 3800 +30% -20% Learn More about TDK ferrite cores	Datasheet	528In Stock	£1.93 £1.33 £1.14 £1.00 Reel £0.75 View £0.882 £0.78 £0.735	Min.: 1 Mult.: 1 : 480	E32/16/9	Ferrite Cores	Ungapped	E Core	32 x 16 x 9 (EF 32)	3.8 uH	- 20 %, + 30 %			N30		Ammo Pack
Ferrite Cores & Accessories YOKE EF25 B66208A2001X000 TDK 1: £2.57 1,026In Stock	Mfr. Part No. B66208A2001X000 Mouser Part No 871-B66208A2001X000	TDK	Ferrite Cores & Accessories YOKE EF25 Learn More about TDK ferrite cores	Datasheet	1,026In Stock	£2.57 £1.76 £1.49 £1.32 View £1.24 £1.22 £1.18 £1.13	Min.: 1 Mult.: 1	E25/13/7	Hardware & Accessories	Ungapped	E Core	25 x 13 x 7 (EF 25)							Bulk
Ferrite Cores & Accessories E65/32/27 N87LP 1.5 MM B66387G1500X187 TDK 1: £10.31 120In Stock	Mfr. Part No. B66387G1500X187 Mouser Part No 871-B66387G1500X187	TDK	Ferrite Cores & Accessories E65/32/27 N87LP 1.5 MM Learn More about TDK ferrite cores	Datasheet	120In Stock	£10.31 £6.96	Min.: 1 Mult.: 1	E65/32/27	Ferrite Cores	Gapped	E Core	65 x 32 x 27	526 nH				N87		Bulk