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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	Accessory Type	Number of Pins	Core Material	Termination Style	Packaging
Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO B65685B1016T001 TDK 1: £7.16 775In Stock	Mfr. Part No. B65685B1016T001 Mouser Part No 871-B65685B1016T1	TDK	Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO Learn More about TDK ferrite cores	Datasheet	775In Stock	£7.16 £6.25 £5.84 £5.41 View £5.26 £5.14	Min.: 1 Mult.: 1	PM62/49	Hardware & Accessories	Ungapped	PM Core	62 x 49		16 Pin		Pin	Tray
Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO B65687A1018T001 TDK 1: £9.34 364In Stock	Mfr. Part No. B65687A1018T001 Mouser Part No 871-B65687A1018T1	TDK	Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO Learn More about TDK ferrite cores	Datasheet	364In Stock	£9.34 £7.96 £7.75 £7.73 View £7.41 £6.50	Min.: 1 Mult.: 1	PM74/59	Hardware & Accessories	Ungapped	PM Core	86 x 87		18 Pin		Pin	Tray
Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO B65702B0000T001 TDK 1: £0.428 6,559In Stock 10,240On Order	Mfr. Part No. B65702B0000T001 Mouser Part No 871-B65702B0000T001	TDK	Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO Learn More about TDK ferrite cores	Datasheet	6,559In Stock 10,240On Order On Order Ship Dates Mfr. No: B65702B0000T001 Stock: 6,559 Can Dispatch Immediately On Order: 4,480 Expected 04/11/2026 5,760 Expected 13/04/2027 Factory Lead Time: 26 Weeks	£0.428 £0.388 £0.375 £0.363 View £0.332 £0.299 £0.271 £0.259 £0.224	Min.: 1 Mult.: 1	P30/19	Hardware & Accessories	Ungapped	P Core	P 30 x 19	Coil Former without Solder Pins		GFR Polyterephthalate	Pin	Bulk
Ferrite Cores & Accessories MOUNTING ASSY P30X19 B65705B0003X000 TDK 1: £7.87 1,358In Stock	Mfr. Part No. B65705B0003X000 Mouser Part No 871-B65705B0003X000	TDK	Ferrite Cores & Accessories MOUNTING ASSY P30X19 Learn More about TDK ferrite cores	Datasheet	1,358In Stock	£7.87 £7.01 £6.21 £5.88 View £5.56 £5.55 £5.49 £5.30 Quote	Min.: 1 Mult.: 1	P30/19	Hardware & Accessories	Ungapped	P Core	P 30 x 19	Yoke, Terminal Carrier	8 Pin	GFR Polyterephthalate	Pin	Bulk
Ferrite Cores & Accessories COIL FORMER RM4 SUMIKON PM9630 B65804N1106D001 TDK 1: £0.89 3,243In Stock	Mfr. Part No. B65804N1106D001 Mouser Part No 871-B65804N1106D001	TDK	Ferrite Cores & Accessories COIL FORMER RM4 SUMIKON PM9630 Learn More about TDK ferrite cores	Datasheet	3,243In Stock	£0.89 £0.811 £0.78 £0.759 View £0.705 £0.657 £0.608	Min.: 1 Mult.: 1	RM4	Hardware & Accessories	Ungapped	RM Core	RM 4		6 Pin		Pin	Tray
Ferrite Cores & Accessories COIL FORMER RM5 SUMIKON PM9630 B65806N1104D001 TDK 1: £0.882 8,447In Stock	Mfr. Part No. B65806N1104D001 Mouser Part No 871-B65806N1104D001	TDK	Ferrite Cores & Accessories COIL FORMER RM5 SUMIKON PM9630 Learn More about TDK ferrite cores	Datasheet	8,447In Stock	£0.882 £0.803 £0.766 £0.743 View £0.716 £0.678 £0.623 £0.605	Min.: 1 Mult.: 1	RM5	Hardware & Accessories	Ungapped			Coil Former with Solder Pins	4 Pin		Pin	Tray
Ferrite Cores & Accessories Coil Former, Core Shape: PQ_40_40 B65884E0012D001 TDK 1: £1.84 1,781In Stock 1,008Expected 29/10/2026	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	1,781In Stock 1,008Expected 29/10/2026	£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 COILFORMER RM14 SUMIKON PM9630 B65888N1012D001 TDK 1: £1.35 2,522In Stock 3,360Expected 30/11/2026	Mfr. Part No. B65888N1012D001 Mouser Part No 871-B65888N1012D001	TDK	Ferrite Cores & Accessories COILFORMER RM14 SUMIKON PM9630 Learn More about TDK ferrite cores	Datasheet	2,522In Stock 3,360Expected 30/11/2026	£1.35 £1.22 £1.13 £1.04 View £1.00 £0.995 £0.934	Min.: 1 Mult.: 1	RM14	Hardware & Accessories	Ungapped	RM Core	RM 14		12 Pin	GFR Thermosetting Plastic	Pin	Tray
Ferrite Cores & Accessories COIL FORMER VALOX 20 B65946B0000T001 TDK 1: £1.84 2,093In Stock	Mfr. Part No. B65946B0000T001 Mouser Part No 871-B65946B0000T001	TDK	Ferrite Cores & Accessories COIL FORMER VALOX 20 Learn More about TDK ferrite cores	Datasheet	2,093In Stock	£1.84 £1.68 £1.55 £1.42 View £1.29 £1.26 £1.09	Min.: 1 Mult.: 1	PCH70/13	Hardware & Accessories	Ungapped	PS Core	P 68 x 14.5	Coil Former without Solder Pins		GFR Polyterephthalate	Pin	Bulk
Ferrite Cores & Accessories Coil former PQ50/50 Phenolic T375HF B65982E0012D001 TDK 1: £2.09 1,436In Stock 72Expected 02/11/2026	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	1,436In Stock 72Expected 02/11/2026	£2.09 £1.89 £1.80 £1.57 View £1.35 £1.27 £1.21	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 Squared Pins Coil Former B66206B1110T001 TDK 1: £1.41 1,799In Stock 7,350On Order	Mfr. Part No. B66206B1110T001 Mouser Part No 871-B66206B1110T001	TDK	Ferrite Cores & Accessories Squared Pins Coil Former Learn More about TDK ferrite cores	Datasheet	1,799In Stock 7,350On Order On Order Ship Dates Mfr. No: B66206B1110T001 Stock: 1,799 Can Dispatch Immediately On Order: 2,940 Expected 17/11/2026 4,410 Expected 13/04/2027 Factory Lead Time: 26 Weeks	£1.41 £1.28 £1.16 £1.03 View £0.917 £0.834 £0.811	Min.: 1 Mult.: 1	E20/10/6	Hardware & Accessories	Ungapped	E Core		Coil Former with Magnetic Axis Horizontal	10 Pin		Pin	Tray
Ferrite Cores & Accessories FERRITE CORES & ACCS CF-E20/10/6-V-1S-10P B66206W1110T001 TDK 1: £1.20 3,950In Stock	Mfr. Part No. B66206W1110T001 Mouser Part No 871-B66206W1110T001	TDK	Ferrite Cores & Accessories FERRITE CORES & ACCS CF-E20/10/6-V-1S-10P Learn More about TDK ferrite cores	Datasheet	3,950In Stock	£1.20 £1.10 £0.995 £0.925 View £0.849 £0.796 £0.783	Min.: 1 Mult.: 1	E20/10/6	Hardware & Accessories	Ungapped	E Core		Coil Former with Magnetic Axis Vertical	10 Pin		Pin	Tray
Ferrite Cores & Accessories FERRITE CORES CF-E25/13/7-H-1S-10P B66208B1110T1 TDK 1: £1.03 3,970In Stock 8,550Expected 24/11/2026	Mfr. Part No. B66208B1110T1 Mouser Part No 871-B66208B1110T1	TDK	Ferrite Cores & Accessories FERRITE CORES CF-E25/13/7-H-1S-10P Learn More about TDK ferrite cores	Datasheet	3,970In Stock 8,550Expected 24/11/2026	£1.03 £0.934 £0.899 £0.834 View £0.732 £0.681 £0.638 £0.585	Min.: 1 Mult.: 1	B66208B	Hardware & Accessories	Ungapped	E Core	25 x 13 x 7 (EF 25)		10 Pin		Pin	Tray
Ferrite Cores & Accessories CF-E25/13 7-H-1S-10P/LT B66208X1010T001 TDK 1: £1.03 5,255In Stock	Mfr. Part No. B66208X1010T001 Mouser Part No 871-B66208X1010T001	TDK	Ferrite Cores & Accessories CF-E25/13 7-H-1S-10P/LT Learn More about TDK ferrite cores	Datasheet	5,255In Stock	£1.03 £0.943 £0.871 £0.766 View £0.672 £0.626 £0.554	Min.: 1 Mult.: 1	E25/13/7	Hardware & Accessories	Ungapped	E Core	25 x 13 x 7 (EF 25)		10 Pin		Pin	Tray
Ferrite Cores & Accessories CF-E30/15 7-HB-1S-14P/ B66232B1114T001 TDK 1: £1.52 1,916In Stock 6,816On Order	Mfr. Part No. B66232B1114T001 Mouser Part No 871-B66232B1114T001	TDK	Ferrite Cores & Accessories CF-E30/15 7-HB-1S-14P/ Learn More about TDK ferrite cores	Datasheet	1,916In Stock 6,816On Order On Order Ship Dates Mfr. No: B66232B1114T001 Stock: 1,916 Can Dispatch Immediately On Order: 2,130 Expected 29/10/2026 426 Expected 09/11/2026 4,260 Expected 07/12/2026 Factory Lead Time: 26 Weeks	£1.52 £1.38 £1.26 £1.12 View £0.995 £0.849	Min.: 1 Mult.: 1	E30/15/7	Hardware & Accessories	Ungapped	E Core	30 x 15 x 7	Coil Former	14 Pin		Pin	Tray
Ferrite Cores & Accessories COIL FORMER DURETHAN BKV-30H B66252BM1 TDK 1: £3.26 1,472In Stock	Mfr. Part No. B66252BM1 Mouser Part No 871-B66252BM1	TDK	Ferrite Cores & Accessories COIL FORMER DURETHAN BKV-30H Learn More about TDK ferrite cores	Datasheet	1,472In Stock	£3.26 £2.95 £2.83 £2.72 View £2.52 £2.46 £2.38 £2.31	Min.: 1 Mult.: 1	B66252B	Hardware & Accessories	Ungapped	E Core	55 x 28 x 21	Coil Former Square Pins	14 Pin		Pin	Tray
Ferrite Cores & Accessories FERRITE CORES & ACCS CF-E16/8/5-H-1S-8P B66308B1108T001 TDK 1: £1.32 6,649In Stock	Mfr. Part No. B66308B1108T001 Mouser Part No 871-B66308B1108T001	TDK	Ferrite Cores & Accessories FERRITE CORES & ACCS CF-E16/8/5-H-1S-8P Learn More about TDK ferrite cores	Datasheet	6,649In Stock	£1.32 £1.20 £1.09 £1.00 View £0.917 £0.89 £0.745 £0.744	Min.: 1 Mult.: 1	E16/8/5	Hardware & Accessories	Ungapped	E Core	16 x 8 x 5 (EF 16)	Coil Former with Magnetic Axis Horizontal	8 Pin		Pin	Tray
Ferrite Cores & Accessories COIL FORMER RNITE FR 530 B66359W1013T1 TDK 1: £1.36 3,902In 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	3,902In 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 RYNITE FR 530 B66362W1014T001 TDK 1: £1.94 2,901In Stock	Mfr. Part No. B66362W1014T001 Mouser Part No 871-B66362W1014T001	TDK	Ferrite Cores & Accessories COIL FORMER RYNITE FR 530 Learn More about TDK ferrite cores	Datasheet	2,901In Stock	£1.94 £1.75 £1.63 £1.49 View £1.36 £1.23 £1.18 £1.15	Min.: 1 Mult.: 1	ETD34/17/11	Hardware & Accessories	Ungapped	ETD Core	34 x 17 x 11		14 Pin		Pin	Tray
Ferrite Cores & Accessories COIL FORMER RNITE FR 530 B66362X1014T001 TDK 1: £1.44 4,997In Stock	Mfr. Part No. B66362X1014T001 Mouser Part No 871-B66362X1014T1	TDK	Ferrite Cores & Accessories COIL FORMER RNITE FR 530 Learn More about TDK ferrite cores	Datasheet	4,997In Stock	£1.44 £1.32 £1.26 £1.22 View £1.15 £1.03 £0.969	Min.: 1 Mult.: 1	ETD34/17/11	Hardware & Accessories	Ungapped	ETD Core	34 x 17 x 11		14 Pin		Pin	Tray
Ferrite Cores & Accessories COIL FORMER RNITE FR 530 B66364W1016T1 TDK 1: £1.66 1,126In Stock	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	£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 COIL FORMER RYNITE FR 530 B66366W1018T001 TDK 1: £1.83 1,414In Stock	Mfr. Part No. B66366W1018T001 Mouser Part No 871-B66366W1018T001	TDK	Ferrite Cores & Accessories COIL FORMER RYNITE FR 530 Learn More about TDK ferrite cores	Datasheet	1,414In Stock	£1.83 £1.66 £1.60 £1.42 View £1.24 £1.15 £1.12	Min.: 1 Mult.: 1	ETD44/22/15	Hardware & Accessories	Ungapped	ETD Core	44 x 22 x 15		18 Pin		Pin	Tray
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B66414W1008D1 TDK 1: £0.899 3,175In 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	3,175In 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 COIL FORMER SUMIKON PM 9630 B66418W1008D1 TDK 1: £1.17 7,031In 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	7,031In 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 COIL FORMER SUMIKON PM 9630 B65808N1004D002 TDK 1: £1.12 817In 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	817In 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