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 EFD25/13/9 N87AL 250NH+/-10% B66421U0250K187 TDK 1: £1.41 3,580In Stock	Mfr. Part No. B66421U0250K187 Mouser Part No 871-B66421U250K187	TDK	Ferrite Cores & Accessories EFD25/13/9 N87AL 250NH+/-10% Learn More about TDK ferrite cores	Datasheet	3,580In Stock	£1.41 £0.978 £0.841 £0.739 View £0.649 £0.539 £0.479	Min.: 1 Mult.: 1	EFD25/13/9	Ferrite Cores	Gapped	EFD Core	25 x 13 x 9	250 nH	10 %			N87		Bulk
Ferrite Cores & Accessories EFD25/13/9 N97OL B66421G0000X197 TDK 1: £1.04 4,345In Stock	Mfr. Part No. B66421G0000X197 Mouser Part No 871-B66421GX197	TDK	Ferrite Cores & Accessories EFD25/13/9 N97OL Learn More about TDK ferrite cores	Datasheet	4,345In Stock	£1.04 £0.685 £0.65 £0.593 View £0.539 £0.485 £0.443	Min.: 1 Mult.: 1	EFD25/13/9	Ferrite Cores	Ungapped	EFD Core	25 x 13 x 9	2.1 uH	- 20 %, + 30 %			N97		Bulk
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B66422W1010D1 TDK 1: £1.83 2,877In 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	2,877In Stock 3,900Expected 21/01/2027	£1.83 £1.22 £1.05 £0.917 View £0.803 £0.78 £0.651	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 EFD30/15/9 N87AL 315NH+/-10% B66423U0315K187 TDK 1: £1.26 4,708In Stock	Mfr. Part No. B66423U0315K187 Mouser Part No 871-B66423U0315K187	TDK	Ferrite Cores & Accessories EFD30/15/9 N87AL 315NH+/-10% Learn More about TDK ferrite cores	Datasheet	4,708In Stock	£1.26 £0.871 £0.742 £0.66 View £0.581 £0.517 £0.491 £0.426	Min.: 1 Mult.: 1	EFD30/15/9	Ferrite Cores	Gapped	EFD Core	30 x 15 x 9	315 nH	10 %			N87		Bulk
Ferrite Cores & Accessories EFD15x8x5 PC200 370 +30 -20% B66413G0000X608 TDK 1: £1.53 3,278In Stock	Mfr. Part No. B66413G0000X608 Mouser Part No 871-B66413G0000X608	TDK	Ferrite Cores & Accessories EFD15x8x5 PC200 370 +30 -20% Learn More about TDK ferrite cores	Datasheet	3,278In Stock	£1.53 £1.07 £0.908 £0.803 View £0.703 £0.583 £0.528	Min.: 1 Mult.: 1	EFD15/8/5	Ferrite Cores	Gapped	EFD Core	15 mm x 4.65 mm	370 nH	- 20 %, + 30 %			PC200		Bulk
Ferrite Cores & Accessories EFD25/13/9 N87AL 315NH +/-10% B66421U0315K187 TDK 1: £1.38 904In 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	904In Stock 9,100On Order On Order Ship Dates Mfr. No: B66421U0315K187 Stock: 904 Can Dispatch Immediately On Order: 2,600 Expected 03/03/2027 6,500 Expected 15/03/2027 Factory Lead Time: 7 Weeks	£1.38 £0.96 £0.818 £0.722 View £0.636 £0.566 £0.525 £0.455	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 EFD15/8/5 N97OL B66413G0000X197 TDK 1: £1.10 10,990In Stock 26,880On Order	Mfr. Part No. B66413G0000X197 Mouser Part No 871-B66413GX197	TDK	Ferrite Cores & Accessories EFD15/8/5 N97OL Learn More about TDK ferrite cores	Datasheet	10,990In Stock 26,880On Order On Order Ship Dates Mfr. No: B66413G0000X197 Stock: 10,990 Can Dispatch Immediately On Order: 11,520 Expected 07/12/2026 15,360 Expected 08/12/2026 Factory Lead Time: 7 Weeks	£1.10 £0.766 £0.653 £0.577 View £0.518 £0.425 £0.403 £0.35 £0.349	Min.: 1 Mult.: 1	EFD15/8/5	Ferrite Cores	Ungapped	EFD Core	15 x 8 x 5	820 nH	- 20 %, + 30 %			N97		Bulk
Ferrite Cores & Accessories EFD15/8/5 N87 B66413GX187 TDK 1: £0.78 12,474In 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	12,474In Stock 19,200Expected 14/01/2027	£0.78 £0.546 £0.47 £0.416 View £0.368 £0.285 £0.265 £0.241	Min.: 1 Mult.: 1	B66413G	Ferrite Cores	Ungapped	EFD Core	15 x 8 x 5	780 nH	- 20 %, + 30 %			N87		Tray
Ferrite Cores & Accessories CLM-EFD20 2 PCS REQUIRED B66418B2000X TDK 1: £0.196 60,856In Stock	Mfr. Part No. B66418B2000X Mouser Part No 871-B66418B2000X	TDK	Ferrite Cores & Accessories CLM-EFD20 2 PCS REQUIRED Learn More about TDK ferrite cores	Datasheet	60,856In Stock	£0.196 £0.178 £0.167 £0.161 View £0.141 £0.125 £0.109 £0.099 £0.089	Min.: 1 Mult.: 1	B66418B	Hardware & Accessories	Ungapped	EFD Core	20 x 10 x 7			Yoke				Bulk
Ferrite Cores & Accessories EFD25/13/9 N87 B66421GX187 TDK 1: £1.36 4,043In Stock 3,900Expected 29/10/2026	Mfr. Part No. B66421GX187 Mouser Part No 871-B66421GX187	TDK	Ferrite Cores & Accessories EFD25/13/9 N87 Learn More about TDK ferrite cores	Datasheet	4,043In Stock 3,900Expected 29/10/2026	£1.36 £0.943 £0.811 £0.716 View £0.629 £0.523 £0.461	Min.: 1 Mult.: 1	B66421G	Ferrite Cores	Ungapped	EFD Core	25 x 13 x 9	2 uH	- 20 %, + 30 %			N87		Bulk
Ferrite Cores & Accessories EFD30/15/9 N87OL B66423GX187 TDK 1: £1.23 2,860In Stock 12,600On Order	Mfr. Part No. B66423GX187 Mouser Part No 871-B66423GX187	TDK	Ferrite Cores & Accessories EFD30/15/9 N87OL Learn More about TDK ferrite cores	Datasheet	2,860In Stock 12,600On Order On Order Ship Dates Mfr. No: B66423GX187 Stock: 2,860 Can Dispatch Immediately On Order: 6,300 Expected 14/12/2026 6,300 Expected 03/03/2027 Factory Lead Time: 7 Weeks	£1.23 £0.856 £0.729 £0.647 View £0.569 £0.457 £0.409	Min.: 1 Mult.: 1	B66423G	Ferrite Cores	Ungapped	EFD Core	30 x 15 x 9	2.05 uH	- 20 %, + 30 %			N87		Bulk
Ferrite Cores & Accessories EFD30/15/9 N87 B66423U0160K187 TDK 1: £1.54 2,896In Stock 1,800Expected 10/05/2027	Mfr. Part No. B66423U0160K187 Mouser Part No 871-B66423U160K187	TDK	Ferrite Cores & Accessories EFD30/15/9 N87 Learn More about TDK ferrite cores	Datasheet	2,896In Stock 1,800Expected 10/05/2027	£1.54 £1.07 £0.917 £0.811 View £0.706 £0.563 £0.531	Min.: 1 Mult.: 1	EFD30/15/9	Ferrite Cores	Gapped	EFD Core	30 x 15 x 9	160 nH	10 %			N87		Bulk
Ferrite Cores & Accessories EFD20/10/7N49OL B66417G0000X149 TDK 1: £1.23 3,701In Stock	Mfr. Part No. B66417G0000X149 Mouser Part No 871-B66417G0000X149	TDK	Ferrite Cores & Accessories EFD20/10/7N49OL Learn More about TDK ferrite cores	Datasheet	3,701In Stock	£1.23 £0.856 £0.732 £0.646 View £0.579 £0.476 £0.452 £0.392 £0.391	Min.: 1 Mult.: 1	EFD20/10/7	Ferrite Cores	Ungapped	EFD Core	20 x 10 x 7	910 nH	- 20 %, + 30 %			N49		Bulk
Ferrite Cores & Accessories EFD20/10/7 N87AL 100NH+/-10% B66417U0100K187 TDK 1: £0.89 6,588In Stock	Mfr. Part No. B66417U0100K187 Mouser Part No 871-B66417U100K187	TDK	Ferrite Cores & Accessories EFD20/10/7 N87AL 100NH+/-10% Learn More about TDK ferrite cores	Datasheet	6,588In Stock	£0.89 £0.625 £0.537 £0.476 View £0.42 £0.352 £0.305 £0.283	Min.: 1 Mult.: 1	EFD20/10/7	Ferrite Cores	Gapped	EFD Core	20 x 10 x 7	100 nH	10 %			N87		Bulk
Ferrite Cores & Accessories EFD20/10/7 N87AL 160NH +/-10% B66417U160K187 TDK 1: £0.743 4,915In Stock 8,820On Order	Mfr. Part No. B66417U160K187 Mouser Part No 871-B66417U160K187	TDK	Ferrite Cores & Accessories EFD20/10/7 N87AL 160NH +/-10% Learn More about TDK ferrite cores	Datasheet	4,915In Stock 8,820On Order On Order Ship Dates Mfr. No: B66417U160K187 Stock: 4,915 Can Dispatch Immediately On Order: 1,260 Expected 10/05/2027 7,560 Expected 24/05/2027 Factory Lead Time: 14 Weeks	£0.743 £0.545 £0.481 £0.438 View £0.393 £0.352 £0.305 £0.283	Min.: 1 Mult.: 1	B66417U	Ferrite Cores	Gapped	EFD Core	20 x 10 x 7	160 nH	10 %			N87		Bulk
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B66418W1008D1 TDK 1: £1.17 6,631In Stock 1,260Expected 09/11/2026	Mfr. Part No. B66418W1008D1 Mouser Part No 871-B66418W1008D1	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	6,631In Stock 1,260Expected 09/11/2026	£1.17 £1.07 £1.01 £0.934 View £0.856 £0.811 £0.69 £0.689	Min.: 1 Mult.: 1	B66418W	Hardware & Accessories	Ungapped	EFD Core	20 x 10 x 7			Coil Former with Solder Pins	8 Pin		Pin	Tray
Ferrite Cores & Accessories EFD25/13/9 N87AL 160NH +/-10% B66421U0160K187 TDK 1: £1.41 3,471In Stock	Mfr. Part No. B66421U0160K187 Mouser Part No 871-B66421U0160K187	TDK	Ferrite Cores & Accessories EFD25/13/9 N87AL 160NH +/-10% Learn More about TDK ferrite cores	Datasheet	3,471In Stock	£1.41 £0.986 £0.841 £0.739 View £0.649 £0.539 £0.479	Min.: 1 Mult.: 1	EFD25/13/9	Ferrite Cores	Gapped	EFD Core	25 x 13 x 9	160 nH	10 %			N87		Bulk
Ferrite Cores & Accessories CLM-EFD30 B66424B2000X000 TDK 1: £0.30 21,874In Stock	Mfr. Part No. B66424B2000X000 Mouser Part No 871-B66424B2000X	TDK	Ferrite Cores & Accessories CLM-EFD30 Learn More about TDK ferrite cores	Datasheet	21,874In Stock	£0.30 £0.273 £0.264 £0.256 View £0.237 £0.212 £0.193 £0.189 £0.167	Min.: 1 Mult.: 1	EFD30/15/9	Hardware & Accessories	Ungapped	EFD Core	30 x 15 x 9			Yoke				Bulk
Ferrite Cores & Accessories CLM-EFD25 2 PCS REQUIRED B66422B2000X TDK 1: £0.255 4,789In Stock 9,000Expected 03/11/2026	Mfr. Part No. B66422B2000X Mouser Part No 871-B66422B2000X	TDK	Ferrite Cores & Accessories CLM-EFD25 2 PCS REQUIRED Learn More about TDK ferrite cores	Datasheet	4,789In Stock 9,000Expected 03/11/2026	£0.255 £0.23 £0.222 £0.215 View £0.209 £0.201 £0.192 £0.186 £0.175	Min.: 1 Mult.: 1	B66422B	Hardware & Accessories	Ungapped	EFD Core	25 x 13 x 9							Bulk
Ferrite Cores & Accessories EFD30/15/9 N87AL 250NH +/-10% B66423U0250K187 TDK 1: £1.54 504In Stock	Mfr. Part No. B66423U0250K187 Mouser Part No 871-B66423U0250K187	TDK	Ferrite Cores & Accessories EFD30/15/9 N87AL 250NH +/-10% Learn More about TDK ferrite cores	Datasheet	504In Stock	£1.54 £1.07 £0.917 £0.811 View £0.706 £0.563 £0.556 £0.531	Min.: 1 Mult.: 1	EFD30/15/9	Ferrite Cores	Gapped	EFD Core	30 x 15 x 9	250 nH	10 %			N87		Bulk
Ferrite Cores & Accessories EFD15/8 5-N87-A160 +/-0.15 B66413U0160L187 TDK 1: £0.818 2,995In Stock	Mfr. Part No. B66413U0160L187 Mouser Part No 871-B66413U0160L187	TDK	Ferrite Cores & Accessories EFD15/8 5-N87-A160 +/-0.15 Learn More about TDK ferrite cores	Datasheet	2,995In Stock	£0.818 £0.568 £0.49 £0.434 View £0.351 £0.304 £0.278 £0.253	Min.: 1 Mult.: 1	EFD15/8/5	Ferrite Cores	Gapped	EFD Core	15 x 8 x 5	160 nH	15 %			N87		Bulk
Ferrite Cores & Accessories EFD20x10x7 PC200 560 +30% -20% B66417G0000X608 TDK 1: £1.39 305In Stock	Mfr. Part No. B66417G0000X608 Mouser Part No 871-B66417G0000X608	TDK	Ferrite Cores & Accessories EFD20x10x7 PC200 560 +30% -20% Learn More about TDK epcos pc200 ferrite cores	Datasheet	305In Stock	£1.39 £0.96 £0.826 £0.73 View £0.642 £0.545 £0.469 £0.46 £0.459	Min.: 1 Mult.: 1	EFD20/10/7	Ferrite Cores	Ungapped	EFD Core	20 mm x 6.65 mm	560 nH	- 20 %, + 30 %			PC200		Bulk
Ferrite Cores & Accessories EFD20/10/7 N87AL 250NH +/-10% B66417U0250K187 TDK 1: £0.89 1,262In Stock 5,040Expected 01/02/2027	Mfr. Part No. B66417U0250K187 Mouser Part No 871-B66417U0250K187	TDK	Ferrite Cores & Accessories EFD20/10/7 N87AL 250NH +/-10% Learn More about TDK ferrite cores	Datasheet	1,262In Stock 5,040Expected 01/02/2027	£0.89 £0.625 £0.537 £0.497 View £0.448 £0.368 £0.345 £0.326 £0.283	Min.: 1 Mult.: 1	EFD20/10/7	Ferrite Cores	Gapped	EFD Core	20 x 10 x 7	250 nH	10 %			N87		Bulk
Ferrite Cores & Accessories EFD30/15/9 N97OL B66423G0000X197 TDK 1: £1.96 419In Stock 900Expected 09/03/2027	Mfr. Part No. B66423G0000X197 Mouser Part No 871-B66423GX197	TDK	Ferrite Cores & Accessories EFD30/15/9 N97OL Learn More about TDK ferrite cores	Datasheet	419In Stock 900Expected 09/03/2027	£1.96 £1.36 £1.16 £1.02 View £0.89 £0.759 £0.689	Min.: 1 Mult.: 1	EFD30/15/9	Ferrite Cores	Ungapped	EFD Core	30 x 15 x 9	2.15 uH	- 20 %, + 30 %			N97		Bulk
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B66424W1012D1 TDK 1: £1.27 285In Stock 12,600On Order	Mfr. Part No. B66424W1012D1 Mouser Part No 871-B66424W1012D1	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	285In Stock 12,600On Order On Order Ship Dates Mfr. No: B66424W1012D1 Stock: 285 Can Dispatch Immediately On Order: 3,000 Expected 01/02/2027 9,600 Expected 09/03/2027 Factory Lead Time: 26 Weeks	£1.27 £0.978 £0.89 £0.871 View £0.826 £0.803 £0.63 £0.602	Min.: 1 Mult.: 1	B66424W	Hardware & Accessories	Ungapped	EFD Core	30 x 15 x 9			Coil Former with Solder Pins	12 Pin		Pin	Tray