.hide-partial { max-height: none; } .show-more { display: none; }

EFD Core Ferrite Cores & Accessories

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 88

Applied Filters:

Core = EFD Core

Manufacturer

Series

Product

Type

Core Size

Inductance

Tolerance

Accessory Type

Number of Pins

Core Material

Termination Style

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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 160NH +/-10% B66421U0160K187 TDK 1: $1.88 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	$1.88 $1.31 $1.12 $0.984 View $0.864 $0.718 $0.638	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: $0.40 21,524In Stock 11,700Expected 2027/03/29	Mfr. Part No. B66424B2000X000 Mouser Part No 871-B66424B2000X	TDK	Ferrite Cores & Accessories CLM-EFD30 Learn More about TDK ferrite cores	Datasheet	21,524In Stock 11,700Expected 2027/03/29	$0.40 $0.364 $0.351 $0.341 View $0.315 $0.283 $0.258 $0.252	Min.: 1 Mult.: 1	EFD30/15/9	Hardware & Accessories	Ungapped	EFD Core	30 x 15 x 9			Yoke				Bulk
Ferrite Cores & Accessories EFD20/10/7 N87 B66417GX187 TDK 1: $0.88 3,352In Stock 144,900On Order	Mfr. Part No. B66417GX187 Mouser Part No 871-B66417GX187	TDK	Ferrite Cores & Accessories EFD20/10/7 N87 Learn More about TDK ferrite cores	Datasheet	3,352In Stock 144,900On Order On Order Ship Dates Mfr. No: B66417GX187 Stock: 3,352 Can Dispatch Immediately On Order: 40,320 Expected 2026/11/05 5,040 Expected 2026/11/13 8,820 Expected 2027/01/18 90,720 Expected 2027/02/08 Factory Lead Time: 7 Weeks	$0.88 $0.611 $0.523 $0.464 View $0.416 $0.343 $0.305 $0.263	Min.: 1 Mult.: 1	B66417G	Ferrite Cores	Ungapped	EFD Core	20 x 10 x 7	1.2 uH	- 20 %, + 30 %			N87		Bulk
Ferrite Cores & Accessories EFD30/15/9 N87AL 250NH +/-10% B66423U0250K187 TDK 1: $2.05 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	$2.05 $1.43 $1.22 $1.08 View $0.941 $0.75 $0.741 $0.707	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 95 EFD Core EFD20 Ind 1400 nH 25% TOL 8995202021 Fair-Rite 1: $1.48 913In Stock	Mfr. Part No. 8995202021 Mouser Part No 623-8995202021	Fair-Rite	Ferrite Cores & Accessories 95 EFD Core EFD20 Ind 1400 nH 25% TOL Learn More about Fair-Rite fairrite efd cores	Datasheet	913In Stock	$1.48 $1.09 $0.932 $0.823 View $0.737 $0.606 $0.576 $0.533	Min.: 1 Mult.: 1	89	Ferrite Cores	Ungapped	EFD Core	20 x 10 x 6.65	1.4 uH	25 %			95		Bulk
Ferrite Cores & Accessories 95 EFD Core EFD25 Ind 2650 nH 25% TOL 8995252521 Fair-Rite 1: $1.95 506In Stock	Mfr. Part No. 8995252521 Mouser Part No 623-8995252521	Fair-Rite	Ferrite Cores & Accessories 95 EFD Core EFD25 Ind 2650 nH 25% TOL Learn More about Fair-Rite fairrite efd cores	Datasheet	506In Stock	$1.95 $1.35 $1.15 $1.02 View $0.889 $0.733	Min.: 1 Mult.: 1	89	Ferrite Cores	Ungapped	EFD Core	25 x 12.5 x 9.1	2.65 uH	25 %			95		Bulk
Ferrite Cores & Accessories EFD15/8 5-N87-A160 +/-0.15 B66413U0160L187 TDK 1: $1.09 2,985In 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	2,985In Stock	$1.09 $0.757 $0.652 $0.578 View $0.492 $0.429 $0.371 $0.337	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: $1.85 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	$1.85 $1.28 $1.10 $0.972 View $0.855 $0.726 $0.625 $0.613 $0.612	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: $1.19 1,262In Stock 5,040Expected 2027/02/01	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 2027/02/01	$1.19 $0.833 $0.715 $0.662 View $0.597 $0.49 $0.459 $0.434 $0.377	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 CF-EFD25-H-1S-10PW B66422W1010D001 TDK 1: $1.45 680In Stock 1,300Expected 2027/01/25	Mfr. Part No. B66422W1010D001 Mouser Part No 871-B66422W1010D001	TDK	Ferrite Cores & Accessories CF-EFD25-H-1S-10PW	Datasheet	680In Stock 1,300Expected 2027/01/25	$1.45 $1.33 $1.27 $1.22 View $1.07 $1.04 $0.93 $0.92 $0.918	Min.: 1 Mult.: 1	EFD25/13/9	Hardware & Accessories	Coil Former	EFD Core	25 x 13 x 9				10 Pin		Pin	Stick
Ferrite Cores & Accessories EFD30/15/9 N97OL B66423G0000X197 TDK 1: $2.62 419In Stock 900Expected 2027/03/09	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 2027/03/09	$2.62 $1.81 $1.55 $1.36 View $1.19 $1.01 $0.918	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: $1.69 205In 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	205In Stock 12,600On Order On Order Ship Dates Mfr. No: B66424W1012D1 Stock: 205 Can Dispatch Immediately On Order: 3,000 Expected 2027/02/01 9,600 Expected 2027/03/09 Factory Lead Time: 26 Weeks	$1.69 $1.30 $1.19 $1.16 View $1.10 $1.07 $0.84 $0.802	Min.: 1 Mult.: 1	B66424W	Hardware & Accessories	Ungapped	EFD Core	30 x 15 x 9			Coil Former with Solder Pins	12 Pin		Pin	Tray
Ferrite Cores & Accessories 78 EFD Core EFD15 Ind 800 nH 25% TOL 8978151521 Fair-Rite 1: $0.811 1,640In Stock	Mfr. Part No. 8978151521 Mouser Part No 623-8978151521	Fair-Rite	Ferrite Cores & Accessories 78 EFD Core EFD15 Ind 800 nH 25% TOL Learn More about Fair-Rite epcos tdk ferrite cores	Datasheet	1,640In Stock	$0.811 $0.563 $0.497 $0.441 View $0.39 $0.329 $0.287 $0.274 $0.256	Min.: 1 Mult.: 1	89	Ferrite Cores	Ungapped	EFD Core	EFD 15	880 nH	25 %			78		Bulk
Ferrite Cores & Accessories 78 EFD Core EFD20 Ind 1200 nH 25% TOL 8978202021 Fair-Rite 1: $1.36 976In Stock	Mfr. Part No. 8978202021 Mouser Part No 623-8978202021	Fair-Rite	Ferrite Cores & Accessories 78 EFD Core EFD20 Ind 1200 nH 25% TOL Learn More about Fair-Rite fairrite efd cores	Datasheet	976In Stock	$1.36 $0.94 $0.804 $0.711 View $0.636 $0.523 $0.497 $0.461	Min.: 1 Mult.: 1	89	Ferrite Cores	Ungapped	EFD Core	20 x 10 x 6.65	1.2 uH	25 %			78		Bulk
Ferrite Cores & Accessories 78 EFD Core EFD30 Ind 2100 nH 25% TOL 8978303021 Fair-Rite 1: $2.26 415In Stock	Mfr. Part No. 8978303021 Mouser Part No 623-8978303021	Fair-Rite	Ferrite Cores & Accessories 78 EFD Core EFD30 Ind 2100 nH 25% TOL Learn More about Fair-Rite fairrite efd cores	Datasheet	415In Stock	$2.26 $1.57 $1.34 $1.17 View $1.04 $0.962 $0.852	Min.: 1 Mult.: 1	89	Ferrite Cores	Ungapped	EFD Core	30 x 15 x 9.1	2.8 uH	25 %			78		Bulk
Ferrite Cores & Accessories 95 EFD Core EFD30 Ind 2550 nH 25% TOL 8995303021 Fair-Rite 1: $2.62 38In Stock	Mfr. Part No. 8995303021 Mouser Part No 623-8995303021	Fair-Rite	Ferrite Cores & Accessories 95 EFD Core EFD30 Ind 2550 nH 25% TOL Learn More about Fair-Rite fairrite efd cores	Datasheet	38In Stock	$2.62 $1.81 $1.55 $1.36 View $1.03 $1.01	Min.: 1 Mult.: 1	89	Ferrite Cores	Ungapped	EFD Core	30 x 15 x 9.1	2.8 uH	25 %			95		Bulk
Ferrite Cores & Accessories 98 EFD Core EFD12 Ind 730 nH 25% TOL 8998121221 Fair-Rite 1: $0.97 1,881In Stock	Mfr. Part No. 8998121221 Mouser Part No 623-8998121221	Fair-Rite	Ferrite Cores & Accessories 98 EFD Core EFD12 Ind 730 nH 25% TOL Learn More about Fair-Rite fairrite efd cores	Datasheet	1,881In Stock	$0.97 $0.679 $0.597 $0.53 View $0.471 $0.394 $0.362 $0.349 $0.326	Min.: 1 Mult.: 1	89	Ferrite Cores	Ungapped	EFD Core	12.5 x 6.2 x 3.5	730 nH	25 %			98		Bulk
Ferrite Cores & Accessories 98 EFD Core EFD20 Ind 1200 nH 25% TOL 8998202021 Fair-Rite 1: $1.28 877In Stock	Mfr. Part No. 8998202021 Mouser Part No 623-8998202021	Fair-Rite	Ferrite Cores & Accessories 98 EFD Core EFD20 Ind 1200 nH 25% TOL Learn More about Fair-Rite fairrite efd cores	Datasheet	877In Stock	$1.28 $0.892 $0.766 $0.679 View $0.599 $0.501 $0.449	Min.: 1 Mult.: 1	89	Ferrite Cores	Ungapped	EFD Core	20 x 10 x 6.65	1.2 uH	25 %			98		Bulk
Ferrite Cores & Accessories 98 EFD Core EFD25 Ind 2250 nH 25% TOL 8998252521 Fair-Rite 1: $1.63 5In Stock	Mfr. Part No. 8998252521 Mouser Part No 623-8998252521	Fair-Rite	Ferrite Cores & Accessories 98 EFD Core EFD25 Ind 2250 nH 25% TOL Learn More about Fair-Rite fairrite efd cores	Datasheet	5In Stock	$1.63 $1.14 $0.969 $0.856 View $0.756 $0.63 $0.555	Min.: 1 Mult.: 1	89	Ferrite Cores	Ungapped	EFD Core	25 x 12.5 x 9.1	2.25 uH	25 %			98		Bulk
Ferrite Cores & Accessories EFD20/10/7 N97OL B66417G0000X197 TDK 1: $1.48 40,404On Order	Mfr. Part No. B66417G0000X197 Mouser Part No 871-B66417GX197	TDK	Ferrite Cores & Accessories EFD20/10/7 N97OL Learn More about TDK ferrite cores	Datasheet	40,404On Order On Order Ship Dates Mfr. No: B66417G0000X197 Stock: 0 On Order: 3,864 Expected 2027/03/09 8,820 Expected 2027/03/24 12,600 Expected 2027/04/12 15,120 Expected 2027/05/03 Factory Lead Time: 14 Weeks	$1.48 $1.03 $0.87 $0.769 View $0.688 $0.566 $0.499 $0.462 $0.461	Min.: 1 Mult.: 1	EFD20/10/7	Ferrite Cores	Ungapped	EFD Core	20 x 10 x 7	2.15 uH	- 20 %, + 30 %			N97		Bulk
Ferrite Cores & Accessories EFD 10 N87 OHNE LUFTSPALT B66411G0000X187 TDK 1: $1.36 3,500Expected 2026/12/14	Mfr. Part No. B66411G0000X187 Mouser Part No 871-B66411G0000X187	TDK	Ferrite Cores & Accessories EFD 10 N87 OHNE LUFTSPALT Learn More about TDK ferrite cores	Datasheet	3,500Expected 2026/12/14	$1.36 $0.949 $0.815 $0.722 View $0.636 $0.533 $0.459 $0.451 $0.44	Min.: 1 Mult.: 1	EFD10/5/3	Ferrite Cores	Ungapped	EFD Core	10 x 5 x 3	450 nH	- 20 %, + 30 %			N87		Bulk
Ferrite Cores & Accessories EFD15/8/5 N87AL 100 NH +/-10% B66413U0100K187 TDK 1: $1.09 7,673Expected 2027/02/08	Mfr. Part No. B66413U0100K187 Mouser Part No 871-B66413U0100K187	TDK	Ferrite Cores & Accessories EFD15/8/5 N87AL 100 NH +/-10% Learn More about TDK ferrite cores	Datasheet	7,673Expected 2027/02/08	$1.09 $0.757 $0.652 $0.578 View $0.511 $0.429 $0.371 $0.337	Min.: 1 Mult.: 1	EFD15/8/5	Ferrite Cores	Gapped	EFD Core	15 x 8 x 5	100 nH	10 %			N87		Bulk
Ferrite Cores & Accessories COIL FORMER Laperos C 130 B66414B6008T001 TDK 1: $1.98 3,835On Order	Mfr. Part No. B66414B6008T001 Mouser Part No 871-B66414B6008T1	TDK	Ferrite Cores & Accessories COIL FORMER Laperos C 130 Learn More about TDK ferrite cores	Datasheet	3,835On Order On Order Ship Dates Mfr. No: B66414B6008T001 Stock: 0 On Order: 1,915 Expected 2027/03/24 1,920 Expected 2027/05/31 Factory Lead Time: 4 Weeks	$1.98 $1.80 $1.73 $1.66 View $1.47 $1.36 $1.29	Min.: 1 Mult.: 1	EFD15/8/5	Hardware & Accessories	Ungapped	EFD Core	15 x 8 x 5			Coil Former with J Hook	8 Pin		J Hook	Tray
Ferrite Cores & Accessories EFD 10 N49 OHNE LUFTSPALT B66411G0000X149 TDK 13,500: $0.618 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. B66411G0000X149 Mouser Part No 871-B66411G0000X149	TDK	Ferrite Cores & Accessories EFD 10 N49 OHNE LUFTSPALT Learn More about TDK ferrite cores	Datasheet	Non-Stocked Lead-Time 7 Weeks	$0.618	Min.: 13,500 Mult.: 4,500	EV25/13/13	Ferrite Cores	Ungapped	EFD Core	10 x 5 x 3	370 nH	- 20 %, + 30 %			N49		Bulk
Ferrite Cores & Accessories 75 nH 0.08 10 x 5 x 3 EFD Core Gapped N49 B66411U75D149 TDK 13,500: $0.643 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. B66411U75D149 Mouser Part No 871-B66411U75D149	TDK	Ferrite Cores & Accessories 75 nH 0.08 10 x 5 x 3 EFD Core Gapped N49 Learn More about TDK ferrite cores		Non-Stocked Lead-Time 7 Weeks	$0.643	Min.: 13,500 Mult.: 4,500	B66411U	Ferrite Cores	Gapped	EFD Core	10 x 5 x 3	75 nH	8 %			N49		Tray