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 RYNITE FR 530 B66359X1014T001 TDK 1: £1.90 1,511In 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	1,511In Stock	£1.90 £1.63 £1.48 £1.34 View £1.17 £1.04 £0.986	Min.: 1 Mult.: 1	ETD29/16/10	Hardware & Accessories	Ungapped	ETD Core	29 x 16 x 10				14 Pin		Pin	Tray
Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO B66364B1016T001 TDK 1: £2.44 4,017In Stock 6,400Expected 09/03/2027	Mfr. Part No. B66364B1016T001 Mouser Part No 871-B66364B1016T001	TDK	Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO Learn More about TDK ferrite cores	Datasheet	4,017In Stock 6,400Expected 09/03/2027	£2.44 £1.85 £1.59 £1.55 £1.41	Min.: 1 Mult.: 1	ETD39/20/13	Hardware & Accessories	Gapped	ETD Core	39 x 20 x 13				16 Pin		Pin	Tray
Ferrite Cores & Accessories EFD15/8/5 N87 B66413GX187 TDK 1: £0.78 15,914In 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	15,914In 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 EFD25/13/9 N87 B66421GX187 TDK 1: £1.36 6,439In Stock	Mfr. Part No. B66421GX187 Mouser Part No 871-B66421GX187	TDK	Ferrite Cores & Accessories EFD25/13/9 N87 Learn More about TDK ferrite cores	Datasheet	6,439In Stock	£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 CLM-EFD25 2 PCS REQUIRED B66422B2000X TDK 1: £0.315 10,785In Stock 9,100Expected 18/12/2026	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	10,785In Stock 9,100Expected 18/12/2026	£0.315 £0.289 £0.278 £0.271 View £0.248 £0.211 £0.192 £0.186	Min.: 1 Mult.: 1	B66422B	Hardware & Accessories	Ungapped	EFD Core	25 x 13 x 9							Bulk
Ferrite Cores & Accessories CLI-ER11/5 B65526A2000X TDK 1: £0.413 5,400In Stock	Mfr. Part No. B65526A2000X Mouser Part No 871-B65526A2000X	TDK	Ferrite Cores & Accessories CLI-ER11/5 Learn More about TDK ferrite cores	Datasheet	5,400In Stock	£0.413 £0.376 £0.362 £0.351 View £0.32 £0.27 £0.235 £0.223 £0.217	Min.: 1 Mult.: 1	B65526A	Hardware & Accessories	Ungapped	ER Core	11 x 5							Bulk
Ferrite Cores & Accessories CLM-RM6 2 PCS REQUIRED B65808J2204X000 TDK 1: £0.142 23,548In Stock	Mfr. Part No. B65808J2204X000 Mouser Part No 871-B65808J2204X000	TDK	Ferrite Cores & Accessories CLM-RM6 2 PCS REQUIRED Learn More about TDK ferrite cores	Datasheet	23,548In Stock	£0.142 £0.129 £0.121 £0.115 View £0.105 £0.093 £0.085	Min.: 1 Mult.: 1	RM6	Hardware & Accessories	Ungapped	RM Core	RM 6							Bulk
Ferrite Cores & Accessories CLM-RM8-G 2 PCS REQUIRED B65812A2203X TDK 1: £0.173 45,180In Stock	Mfr. Part No. B65812A2203X Mouser Part No 871-B65812A2203X	TDK	Ferrite Cores & Accessories CLM-RM8-G 2 PCS REQUIRED Learn More about TDK ferrite cores	Datasheet	45,180In Stock	£0.173 £0.156 £0.147 £0.14 View £0.13 £0.104 £0.103 £0.101	Min.: 1 Mult.: 1	B65812A	Hardware & Accessories	Ungapped	RM Core	RM 8			Clamp with Ground Terminal				Bulk
Ferrite Cores & Accessories PQ26/20 N87 Sold as set B65877B0000R087 TDK 1: £5.70 497In Stock	Mfr. Part No. B65877B0000R087 Mouser Part No 871-B65877B0000R087	TDK	Ferrite Cores & Accessories PQ26/20 N87 Sold as set Learn More about TDK ferrite cores	Datasheet	497In Stock	£5.70 £3.87 £3.27 £2.84 View £2.40 £2.39 £2.35	Min.: 1 Mult.: 1	PQ26/20	Ferrite Cores	Ungapped	PQ Core	26 x 20	5 uH	- 20 %, + 30 %			N87		Bulk
Ferrite Cores & Accessories PQ26/20 N95 Sold as set B65877B0000R095 TDK 1: £7.99 398In Stock	Mfr. Part No. B65877B0000R095 Mouser Part No 871-B65877B0000R095	TDK	Ferrite Cores & Accessories PQ26/20 N95 Sold as set Learn More about TDK ferrite cores	Datasheet	398In Stock	£7.99 £5.36 £4.49 £3.88 £3.66	Min.: 1 Mult.: 1	PQ26/20	Ferrite Cores	Ungapped	PQ Core	26 x 20	5.15 uH	- 20 %, + 30 %			N95		Bulk
Ferrite Cores & Accessories PQ32/30 N87 Sold as set B65879B0000R087 TDK 1: £6.43 416In Stock	Mfr. Part No. B65879B0000R087 Mouser Part No 871-B65879B0000R087	TDK	Ferrite Cores & Accessories PQ32/30 N87 Sold as set Learn More about TDK ferrite cores	Datasheet	416In Stock	£6.43 £4.34 £3.65 £2.90 £2.83	Min.: 1 Mult.: 1	PQ32/30	Ferrite Cores	Ungapped	PQ Core	32 x 30	4.8 uH	- 20 %, + 30 %			N87		Bulk
Ferrite Cores & Accessories Coil Former, Core Shape: PQ_40_40 B65884E0012D001 TDK 1: £1.84 2,799In Stock	Mfr. Part No. B65884E0012D001 Mouser Part No 871-B65884E0012D001	TDK	Ferrite Cores & Accessories Coil Former, Core Shape: PQ_40_40 Learn More about TDK ferrite cores	Datasheet	2,799In Stock	£1.84 £1.67 £1.53 £1.34 View £1.15 £1.08 £1.04	Min.: 1 Mult.: 1	PQ40/40	Hardware & Accessories	Ungapped	PQ Core	PQ 40 x 40			Coil Former	12 Pin	PMC Thermosetting Plastic	Pin	Tray
Ferrite Cores & Accessories Coil former PQ50/50 Phenolic T375HF B65982E0012D001 TDK 1: £2.09 1,179In Stock 1,224On Order	Mfr. Part No. B65982E0012D001 Mouser Part No 871-B65982E0012D001	TDK	Ferrite Cores & Accessories Coil former PQ50/50 Phenolic T375HF Learn More about TDK ferrite cores	Datasheet	1,179In Stock 1,224On Order On Order Ship Dates Mfr. No: B65982E0012D001 Stock: 1,179 Can Dispatch Immediately On Order: 72 Expected 02/11/2026 1,152 Expected 26/04/2027 Factory Lead Time: 26 Weeks	£2.09 £1.89 £1.81 £1.62 View £1.40 £1.27 £1.26	Min.: 1 Mult.: 1	PQ50/50	Hardware & Accessories	Ungapped	PQ Core	PQ 50 x 50			Coil Former	12 Pin	PMC Thermosetting Plastic	Pin	Tray
Ferrite Cores & Accessories COIL FORMER RNITE FR 530 B66359W1013T1 TDK 1: £1.36 3,899In 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	3,899In Stock	£1.36 £1.23 £1.19 £1.11 View £1.02 £0.925 £0.882 £0.871 £0.841	Min.: 1 Mult.: 1	B66359W	Hardware & Accessories	Ungapped	ETD Core	29 x 16 x 10				13 Pin		Pin	Tray
Ferrite Cores & Accessories COIL FORMER RNITE FR 530 B66364W1016T1 TDK 1: £1.66 1,126In Stock 800Expected 21/04/2027	Mfr. Part No. B66364W1016T1 Mouser Part No 871-B66364W1016T1	TDK	Ferrite Cores & Accessories COIL FORMER RNITE FR 530 Learn More about TDK ferrite cores	Datasheet	1,126In Stock 800Expected 21/04/2027	£1.66 £1.50 £1.45 £1.41 View £1.32 £1.20 £1.13	Min.: 1 Mult.: 1	B66364W	Hardware & Accessories	Gapped	ETD Core	39 x 20 x 13				16 Pin		Pin	Tray
Ferrite Cores & Accessories CLM-ETD54 2 PCS REQUIRED B66396A2000X000 TDK 1: £1.03 13,078In Stock	Mfr. Part No. B66396A2000X000 Mouser Part No 871-B66396A2000X	TDK	Ferrite Cores & Accessories CLM-ETD54 2 PCS REQUIRED Learn More about TDK ferrite cores	Datasheet	13,078In Stock	£1.03 £0.818 £0.70 £0.661 £0.586	Min.: 1 Mult.: 1	ETD54/28/19	Hardware & Accessories	Ungapped	ETD Core	54 x 28 x 19							Bulk
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B66414W1008D1 TDK 1: £0.899 3,129In Stock	Mfr. Part No. B66414W1008D1 Mouser Part No 871-B66414W1008D1	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	3,129In Stock	£0.899 £0.818 £0.788 £0.766 View £0.738 £0.698 £0.63 £0.608	Min.: 1 Mult.: 1	B66414W	Hardware & Accessories	Ungapped	EFD Core	15 x 8 x 5			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 CF-ER11/5-VSG-1S-10P B65526B1010T1 TDK 1: £1.20 602In Stock 12,000Expected 13/07/2027	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	602In Stock 12,000Expected 13/07/2027	£1.20 £1.10 £1.05 £1.02 View £0.978 £0.882 £0.841 £0.826 £0.818	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 YOKE ER9.5 B65527A2000X000 TDK 1: £0.383 1,960In Stock 2,000Expected 07/12/2026	Mfr. Part No. B65527A2000X000 Mouser Part No 871-B65527A2000X	TDK	Ferrite Cores & Accessories YOKE ER9.5 Learn More about TDK ferrite cores	Datasheet	1,960In Stock 2,000Expected 07/12/2026	£0.383 £0.347 £0.335 £0.312 View £0.288 £0.258 £0.225 £0.215 £0.186	Min.: 1 Mult.: 1	ER9.5	Hardware & Accessories	Ungapped	ER Core	9.5 x 5							Bulk
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B65808N1004D001 TDK 1: £0.89 1,651In Stock 18,000Expected 14/12/2026	Mfr. Part No. B65808N1004D001 Mouser Part No 871-B65808N1004D001	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	1,651In Stock 18,000Expected 14/12/2026	£0.89 £0.811 £0.773 £0.715 View £0.683 £0.682 £0.639 £0.633	Min.: 1 Mult.: 1	RM6	Hardware & Accessories	Ungapped	RM Core	RM 6				4 Pin		Pin	Tray
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B65808N1004D002 TDK 1: £1.12 707In Stock	Mfr. Part No. B65808N1004D002 Mouser Part No 871-B65808N1004D002	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	707In Stock	£1.12 £1.01 £0.96 £0.882 View £0.818 £0.773 £0.726 £0.649	Min.: 1 Mult.: 1	RM6	Hardware & Accessories	Ungapped	RM Core	RM 6				4 Pin		Pin	Tray
Ferrite Cores & Accessories RM8 N87 400 +3%-3% Sold as set B65811J0400A087 TDK 1: £3.14 159In Stock 2,400On Order	Mfr. Part No. B65811J0400A087 Mouser Part No 871-B65811J0400A087	TDK	Ferrite Cores & Accessories RM8 N87 400 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	159In Stock 2,400On Order On Order Ship Dates Mfr. No: B65811J0400A087 Stock: 159 Can Dispatch Immediately On Order: 1,200 Expected 15/03/2027 1,200 Expected 07/04/2027 Factory Lead Time: 7 Weeks	£3.14 £2.17 £1.83 £1.61 £1.22	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Gapped	RM Core	RM 8	400 nH	3 %			N87		Blister Pack
Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO B65812C1512T001 TDK 1: £1.11 8In Stock 7,200Expected 21/12/2026	Mfr. Part No. B65812C1512T001 Mouser Part No 871-B65812C1512T1	TDK	Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO Learn More about TDK ferrite cores	Datasheet	8In Stock 7,200Expected 21/12/2026	£1.11 £1.01 £0.952 £0.882 View £0.811 £0.711 £0.698	Min.: 1 Mult.: 1	RM8	Hardware & Accessories	Ungapped	RM Core	RM 8				12 Pin		Pin	Bulk
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B65812N1005D001 TDK 1: £1.24 865In Stock	Mfr. Part No. B65812N1005D001 Mouser Part No 871-B65812N1005D001	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	865In Stock	£1.24 £1.13 £1.05 £0.934 View £0.818 £0.788 £0.678 £0.661	Min.: 1 Mult.: 1	RM8	Hardware & Accessories	Ungapped	RM Core	RM 8				5 Pin		Pin	Tray