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Ferrite Cores & Accessories

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.
Ferrite Cores & Accessories E30/15/7 N87 gap 0.5+-0.05 mm B66319G500X187 TDK 1: £1.36 266In Stock	Mfr. Part No. B66319G500X187 Mouser Part No 871-B66319G500X187	TDK	Ferrite Cores & Accessories E30/15/7 N87 gap 0.5+-0.05 mm Learn More about TDK ferrite cores	Datasheet	266In Stock	£1.36 £0.943 £0.811 £0.712 View £0.625 £0.52 £0.458	Min.: 1 Mult.: 1
Ferrite Cores & Accessories E42/21/20 N27LP 0.5MM B66329G0500X127 TDK 1: £4.10 234In Stock	Mfr. Part No. B66329G0500X127 Mouser Part No 871-B66329G0500X127	TDK	Ferrite Cores & Accessories E42/21/20 N27LP 0.5MM Learn More about TDK ferrite cores	Datasheet	234In Stock	£4.10 £2.80 £2.37 £2.07 View £1.72 £1.67	Min.: 1 Mult.: 1
Ferrite Cores & Accessories E42/21/20 N27LP 1.0MM B66329G1000X127 TDK 1: £4.25 97In Stock	Mfr. Part No. B66329G1000X127 Mouser Part No 871-B66329G1000X127	TDK	Ferrite Cores & Accessories E42/21/20 N27LP 1.0MM Learn More about TDK ferrite cores	Datasheet	97In Stock	£4.25 £2.92 £2.48 £2.17 View £1.84 £1.72 £1.69	Min.: 1 Mult.: 1
Ferrite Cores & Accessories E42/21/20 N87LP 1.5MM B66329G1500X187 TDK 1: £4.75 78In Stock	Mfr. Part No. B66329G1500X187 Mouser Part No 871-B66329G1500X187	TDK	Ferrite Cores & Accessories E42/21/20 N87LP 1.5MM Learn More about TDK ferrite cores	Datasheet	78In Stock	£4.75 £3.25 £2.76 £2.42 £1.89	Min.: 1 Mult.: 1
Ferrite Cores & Accessories E 55/28/21 N87 GAP 1.0+-0 B66335G1000X187 TDK 1: £5.00 12In Stock 432Expected 18/01/2027	Mfr. Part No. B66335G1000X187 Mouser Part No 871-B66335G1000X187	TDK	Ferrite Cores & Accessories E 55/28/21 N87 GAP 1.0+-0 Learn More about TDK ferrite cores	Datasheet	12In Stock 432Expected 18/01/2027	£5.00 £3.46 £2.86 £2.50 View £2.11 £2.10	Min.: 1 Mult.: 1
Ferrite Cores & Accessories E55/28/21 N87LP 2.0MM B66335G2000X187 TDK 1: £5.00 118In Stock 432Expected 18/01/2027	Mfr. Part No. B66335G2000X187 Mouser Part No 871-B66335G2000X187	TDK	Ferrite Cores & Accessories E55/28/21 N87LP 2.0MM Learn More about TDK ferrite cores	Datasheet	118In Stock 432Expected 18/01/2027	£5.00 £3.40 £2.86 £2.50 View £2.11 £2.10	Min.: 1 Mult.: 1
Ferrite Cores & Accessories EC41/20/12 N27OL B66339G0000X127 TDK 1: £2.98 1In Stock	Mfr. Part No. B66339G0000X127 Mouser Part No 871-B66339GX127	TDK	Ferrite Cores & Accessories EC41/20/12 N27OL Learn More about TDK ferrite cores	Datasheet	1In Stock	£2.98 £2.03 £1.74 £1.52 View £1.15 £1.10 £1.09	Min.: 1 Mult.: 1
Ferrite Cores & Accessories ETD29/16/10 N87LP 0.1MM B66358G0100X187 TDK 1: £1.98 728In Stock	Mfr. Part No. B66358G0100X187 Mouser Part No 871-B66358G0100X187	TDK	Ferrite Cores & Accessories ETD29/16/10 N87LP 0.1MM Learn More about TDK ferrite cores	Datasheet	728In Stock	£1.98 £1.37 £1.17 £1.03 View £0.899 £0.712	Min.: 1 Mult.: 1
Ferrite Cores & Accessories ETD29/16/10 N87LP 0.2MM B66358G0200X187 TDK 1: £1.98 629In Stock	Mfr. Part No. B66358G0200X187 Mouser Part No 871-B66358G0200X187	TDK	Ferrite Cores & Accessories ETD29/16/10 N87LP 0.2MM Learn More about TDK ferrite cores	Datasheet	629In Stock	£1.98 £1.37 £1.17 £1.03 View £0.899 £0.712	Min.: 1 Mult.: 1
Ferrite Cores & Accessories ETD34/17/11 N27 gap 0.5 mm B66361G500X127 TDK 1: £2.12 275In Stock	Mfr. Part No. B66361G500X127 Mouser Part No 871-B66361G500X127	TDK	Ferrite Cores & Accessories ETD34/17/11 N27 gap 0.5 mm Learn More about TDK ferrite cores	Datasheet	275In Stock	£2.12 £1.47 £1.25 £1.10 View £0.96 £0.771	Min.: 1 Mult.: 1
Ferrite Cores & Accessories CLM-ETD39 B66364A2000X TDK 200: £0.271 2,200In Stock	Mfr. Part No. B66364A2000X Mouser Part No 871-B66364A2000X	TDK	Ferrite Cores & Accessories CLM-ETD39 Learn More about TDK ferrite cores	Datasheet	2,200In Stock	£0.271 £0.259 £0.251 £0.244	Min.: 200 Mult.: 200
Ferrite Cores & Accessories 2 uH 44 x 22 x 15 ETD Core Gapped N87 B66365G2000X187 TDK 1: £3.78 86In Stock	Mfr. Part No. B66365G2000X187 Mouser Part No 871-B66365G2000X187	TDK	Ferrite Cores & Accessories 2 uH 44 x 22 x 15 ETD Core Gapped N87 Learn More about TDK ferrite cores	Datasheet	86In Stock	£3.78 £2.59 £2.20 £1.92 View £1.55 £1.50	Min.: 1 Mult.: 1
Ferrite Cores & Accessories ETD44/22/15 N87LP 0.5MM B66365G0500X187 TDK 1: £3.75 206In Stock 288Expected 18/01/2027	Mfr. Part No. B66365G0500X187 Mouser Part No 871-B66365G500X187	TDK	Ferrite Cores & Accessories ETD44/22/15 N87LP 0.5MM Learn More about TDK ferrite cores	Datasheet	206In Stock 288Expected 18/01/2027	£3.75 £2.57 £2.17 £1.96 View £1.63 £1.48	Min.: 1 Mult.: 1
Ferrite Cores & Accessories ETD49/25/16 N97 3900 +30% -20% B66367G0000X197 TDK 1: £7.56 246In Stock	Mfr. Part No. B66367G0000X197 Mouser Part No 871-B66367GX197	TDK	Ferrite Cores & Accessories ETD49/25/16 N97 3900 +30% -20% Learn More about TDK ferrite cores	Datasheet	246In Stock	£7.56 £5.08 £4.26 £3.68 £3.43	Min.: 1 Mult.: 1
Ferrite Cores & Accessories COIL FORMER RYNITE FR 530 B66368W1020T001 TDK 1: £2.66 587In Stock 1,680Expected 01/12/2026	Mfr. Part No. B66368W1020T001 Mouser Part No 871-B66368W1020T001	TDK	Ferrite Cores & Accessories COIL FORMER RYNITE FR 530 Learn More about TDK ferrite cores	Datasheet	587In Stock 1,680Expected 01/12/2026	£2.66 £2.37 £2.28 £2.19 View £2.12 £2.04 £1.98 £1.93	Min.: 1 Mult.: 1
Ferrite Cores & Accessories E70/33/32 N27LP 1.5 MM B66371G1500X127 TDK 1: £14.68 42In Stock	Mfr. Part No. B66371G1500X127 Mouser Part No 871-B66371G1500X127	TDK	Ferrite Cores & Accessories E70/33/32 N27LP 1.5 MM Learn More about TDK ferrite cores	Datasheet	42In Stock	£14.68 £9.68 £8.24 £7.32	Min.: 1 Mult.: 1
Ferrite Cores & Accessories E70/33/32 N95 ungapped B66371G0000X195 TDK 1: £14.70 20In Stock 360On Order	Mfr. Part No. B66371G0000X195 Mouser Part No 871-B66371GX195	TDK	Ferrite Cores & Accessories E70/33/32 N95 ungapped Learn More about TDK ferrite cores	Datasheet	20In Stock 360On Order On Order Ship Dates Mfr. No: B66371G0000X195 Stock: 20 Can Dispatch Immediately On Order: 180 Expected 21/12/2026 180 Expected 26/01/2027 Factory Lead Time: 14 Weeks	£14.70 £9.69 £8.25 £7.33	Min.: 1 Mult.: 1
Ferrite Cores & Accessories COIL FORMER E70 4-CORE STACK B66372B2000T001 TDK 1: £6.27 63In Stock	Mfr. Part No. B66372B2000T001 Mouser Part No 871-B66372B2000T001	TDK	Ferrite Cores & Accessories COIL FORMER E70 4-CORE STACK Learn More about TDK distributed gapped cores	Datasheet	63In Stock	£6.27 £5.60 £5.49 £5.33 View £4.46 £4.32 £4.25 £4.21	Min.: 1 Mult.: 1
Ferrite Cores & Accessories E65/32/27 N87LP 0.5MM B66387G0500X187 TDK 1: £13.30 107In Stock	Mfr. Part No. B66387G0500X187 Mouser Part No 871-B66387G0500X187	TDK	Ferrite Cores & Accessories E65/32/27 N87LP 0.5MM Learn More about TDK ferrite cores	Datasheet	107In Stock	£13.30 £8.80 £7.11 £6.67	Min.: 1 Mult.: 1
Ferrite Cores & Accessories E65/32/27 N87LP 1.5 MM B66387G1500X187 TDK 1: £13.78 60In 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	60In Stock	£13.78 £9.10 £7.36 £6.96	Min.: 1 Mult.: 1
Ferrite Cores & Accessories E65/32/27-N87-DG100 FERRITE CORE SET B66387Q0100K187 TDK 1: £9.52 91In Stock 40Expected 17/11/2026	Mfr. Part No. B66387Q0100K187 Mouser Part No 871-B66387Q0100K187	TDK	Ferrite Cores & Accessories E65/32/27-N87-DG100 FERRITE CORE SET Learn More about TDK distributed gapped cores	Datasheet	91In Stock 40Expected 17/11/2026	£9.52 £6.37 £4.84 £4.70 View £4.29 £4.21	Min.: 1 Mult.: 1
Ferrite Cores & Accessories E65/32/27-N87-DG400 FERRITE CORE B66387Q0400K187 TDK 1: £9.50 54In Stock	Mfr. Part No. B66387Q0400K187 Mouser Part No 871-B66387Q0400K187	TDK	Ferrite Cores & Accessories E65/32/27-N87-DG400 FERRITE CORE Learn More about TDK distributed gapped cores	Datasheet	54In Stock	£9.50 £6.36 £5.32 £4.70 £4.21	Min.: 1 Mult.: 1
Ferrite Cores & Accessories CF-E65/32/27-1S BOBBIN/COILFORMER B66388B1000T001 TDK 1: £3.70 233In Stock	Mfr. Part No. B66388B1000T001 Mouser Part No 871-B66388B1000T001	TDK	Ferrite Cores & Accessories CF-E65/32/27-1S BOBBIN/COILFORMER Learn More about TDK distributed gapped cores	Datasheet	233In Stock	£3.70 £3.33 £2.99 £2.72 View £2.50 £2.44 £2.39 £2.38	Min.: 1 Mult.: 1
Ferrite Cores & Accessories ETD54/28/19 N87LP 0.5MM B66395G0500X187 TDK 1: £7.38 55In Stock	Mfr. Part No. B66395G0500X187 Mouser Part No 871-B66395G0500X187	TDK	Ferrite Cores & Accessories ETD54/28/19 N87LP 0.5MM Learn More about TDK ferrite cores	Datasheet	55In Stock	£7.38 £4.96 £4.16 £3.33	Min.: 1 Mult.: 1
Ferrite Cores & Accessories ETD54/28 19-N87-G1500 B66395G1500X187 TDK 1: £7.53 6In Stock	Mfr. Part No. B66395G1500X187 Mouser Part No 871-B66395G1500X187	TDK	Ferrite Cores & Accessories ETD54/28 19-N87-G1500 Learn More about TDK ferrite cores	Datasheet	6In Stock	£7.53 £4.96 £4.16 £3.33	Min.: 1 Mult.: 1

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Ferrite Cores & Accessories

Types of Passive Components