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EFD Core Ferrite Cores & Accessories

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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 N97OL B66421G0000X197 TDK 1: $1.17 4,462In Stock	Mfr. Part # B66421G0000X197 Mouser Part # 871-B66421GX197	TDK	Ferrite Cores & Accessories EFD25/13/9 N97OL Learn More about TDK ferrite cores	Datasheet	4,462In Stock	$1.17 $0.899 $0.853 $0.79 View $0.718 $0.624 $0.567 $0.566	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 EFD15/8/5 N97OL B66413G0000X197 TDK 1: $1.43 10,990In Stock 26,880On Order	Mfr. Part # B66413G0000X197 Mouser Part # 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. #: B66413G0000X197 Stock: 10,990 Can Ship Immediately On Order: 11,520 Expected 11/6/2026 15,360 Expected 11/30/2026 Factory Lead-Time: 10 Weeks	$1.43 $0.994 $0.853 $0.756 View $0.666 $0.556 $0.48 $0.466 $0.465	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 EFD30/15/9 N87AL 315NH+/-10% B66423U0315K187 TDK 1: $1.60 4,712In Stock	Mfr. Part # B66423U0315K187 Mouser Part # 871-B66423U0315K187	TDK	Ferrite Cores & Accessories EFD30/15/9 N87AL 315NH+/-10% Learn More about TDK ferrite cores	Datasheet	4,712In Stock	$1.60 $1.11 $0.954 $0.879 View $0.774 $0.628 $0.582 $0.568	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: $1.97 3,278In Stock	Mfr. Part # B66413G0000X608 Mouser Part # 871-B66413G0000X608	TDK	Ferrite Cores & Accessories EFD15x8x5 PC200 370 +30 -20% Learn More about TDK ferrite cores	Datasheet	3,278In Stock	$1.97 $1.36 $1.16 $1.03 View $0.899 $0.776 $0.677 $0.676	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 COIL FORMER SUMIKON PM 9630 B66422W1010D1 TDK 1: $2.27 4,198In Stock 3,900Expected 1/21/2027	Mfr. Part # B66422W1010D1 Mouser Part # 871-B66422W1010D1	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	4,198In Stock 3,900Expected 1/21/2027	$2.27 $1.57 $1.34 $1.19 View $1.04 $0.917 $0.867	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 EFD25/13/9 N87AL 315NH +/-10% B66421U0315K187 TDK 1: $1.84 904In Stock 9,100On Order	Mfr. Part # B66421U0315K187 Mouser Part # 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. #: B66421U0315K187 Stock: 904 Can Ship Immediately On Order: 2,600 Expected 3/3/2027 6,500 Expected 3/15/2027 Factory Lead-Time: 10 Weeks	$1.84 $1.28 $1.09 $0.962 View $0.847 $0.703 $0.638 $0.582	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 95 EFD Core EFD15 Ind 1050 nH 25% TOL 8995151521 Fair-Rite 1: $0.99 1,011In Stock	Mfr. Part # 8995151521 Mouser Part # 623-8995151521	Fair-Rite	Ferrite Cores & Accessories 95 EFD Core EFD15 Ind 1050 nH 25% TOL Learn More about Fair-Rite fairrite efd cores	Datasheet	1,011In Stock	$0.99 $0.693 $0.596 $0.529 View $0.467 $0.392 $0.366 $0.349	Min.: 1 Mult.: 1	89	Ferrite Cores	Ungapped	EFD Core	15 x 7.5 x 4.65	1.05 uH	25 %			95		Bulk
Ferrite Cores & Accessories 78 EFD Core EFD20 Ind 1200 nH 25% TOL 8978202021 Fair-Rite 1: $1.21 976In Stock	Mfr. Part # 8978202021 Mouser Part # 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	$1.21 $0.836 $0.721 $0.664 View $0.584 $0.474 $0.46	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: $2.15 415In Stock	Mfr. Part # 8978303021 Mouser Part # 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	$2.15 $1.48 $1.27 $1.12 View $0.989 $0.859 $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 78 EFD Core EFD15 Ind 800 nH 25% TOL 8978151521 Fair-Rite 1: $0.80 1,640In Stock	Mfr. Part # 8978151521 Mouser Part # 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	$0.80 $0.555 $0.478 $0.426 View $0.378 $0.321 $0.281 $0.256	Min.: 1 Mult.: 1	89	Ferrite Cores	Ungapped	EFD Core	EFD 15	880 nH	25 %			78		Bulk
Ferrite Cores & Accessories EFD15/8/5 N87 B66413GX187 TDK 1: $1.03 17,792In Stock 19,200Expected 1/14/2027	Mfr. Part # B66413GX187 Mouser Part # 871-B66413GX187	TDK	Ferrite Cores & Accessories EFD15/8/5 N87 Learn More about TDK ferrite cores	Datasheet	17,792In Stock 19,200Expected 1/14/2027	$1.03 $0.713 $0.613 $0.544 View $0.481 $0.371 $0.346 $0.309	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-EFD15 B66414B2000X000 TDK 1: $0.21 33,300In Stock	Mfr. Part # B66414B2000X000 Mouser Part # 871-B66414B2000X000	TDK	Ferrite Cores & Accessories CLM-EFD15 Learn More about TDK ferrite cores	Datasheet	33,300In Stock	$0.21 $0.189 $0.173 $0.161 View $0.148 $0.127 $0.112 $0.098 $0.077	Min.: 1 Mult.: 1	EFD15/8/5	Hardware & Accessories	Ungapped	EFD Core	15 x 8 x 5							Bulk
Ferrite Cores & Accessories EFD20/10/7 N87 B66417GX187 TDK 1: $1.18 24,961In Stock 183,960On Order	Mfr. Part # B66417GX187 Mouser Part # 871-B66417GX187	TDK	Ferrite Cores & Accessories EFD20/10/7 N87 Learn More about TDK ferrite cores	Datasheet	24,961In Stock 183,960On Order On Order Ship Dates Mfr. #: B66417GX187 Stock: 24,961 Can Ship Immediately On Order: 27,720 Expected 10/20/2026 6,300 Expected 11/10/2026 10,080 Expected 11/13/2026 49,140 Expected 1/18/2027 90,720 Expected 2/8/2027 Factory Lead-Time: 10 Weeks	$1.18 $0.819 $0.703 $0.624 View $0.55 $0.462 $0.40 $0.354	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 CLM-EFD20 2 PCS REQUIRED B66418B2000X TDK 1: $0.33 65,936In Stock	Mfr. Part # B66418B2000X Mouser Part # 871-B66418B2000X	TDK	Ferrite Cores & Accessories CLM-EFD20 2 PCS REQUIRED Learn More about TDK ferrite cores	Datasheet	65,936In Stock	$0.33 $0.296 $0.272 $0.253 View $0.235 $0.204 $0.18 $0.158 $0.124	Min.: 1 Mult.: 1	B66418B	Hardware & Accessories	Ungapped	EFD Core	20 x 10 x 7			Yoke				Bulk
Ferrite Cores & Accessories EFD25/13/9 N87AL 250NH+/-10% B66421U0250K187 TDK 1: $1.86 3,851In Stock	Mfr. Part # B66421U0250K187 Mouser Part # 871-B66421U250K187	TDK	Ferrite Cores & Accessories EFD25/13/9 N87AL 250NH+/-10% Learn More about TDK ferrite cores	Datasheet	3,851In Stock	$1.86 $1.29 $1.11 $0.984 View $0.864 $0.718 $0.613 $0.612	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 EFD30/15/9 N87OL B66423GX187 TDK 1: $1.61 3,165In Stock 6,300Expected 3/3/2027	Mfr. Part # B66423GX187 Mouser Part # 871-B66423GX187	TDK	Ferrite Cores & Accessories EFD30/15/9 N87OL Learn More about TDK ferrite cores	Datasheet	3,165In Stock 6,300Expected 3/3/2027	$1.61 $0.976 $0.877 $0.818 View $0.749 $0.608 $0.523	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: $2.01 2,900In Stock	Mfr. Part # B66423U0160K187 Mouser Part # 871-B66423U160K187	TDK	Ferrite Cores & Accessories EFD30/15/9 N87 Learn More about TDK ferrite cores	Datasheet	2,900In Stock	$2.01 $1.39 $1.19 $1.05 View $0.92 $0.75 $0.68	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 COIL FORMER SUMIKON PM 9630 B66414W1008D1 TDK 1: $1.50 3,214In Stock	Mfr. Part # B66414W1008D1 Mouser Part # 871-B66414W1008D1	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	3,214In Stock	$1.50 $1.36 $1.26 $1.16 View $1.07 $0.941 $0.89 $0.889 $0.883	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 EFD20/10/7N49OL B66417G0000X149 TDK 1: $1.58 3,701In Stock	Mfr. Part # B66417G0000X149 Mouser Part # 871-B66417G0000X149	TDK	Ferrite Cores & Accessories EFD20/10/7N49OL Learn More about TDK ferrite cores	Datasheet	3,701In Stock	$1.58 $1.02 $0.875 $0.806 View $0.71 $0.576 $0.534 $0.522 $0.521	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: $1.19 6,593In Stock	Mfr. Part # B66417U0100K187 Mouser Part # 871-B66417U100K187	TDK	Ferrite Cores & Accessories EFD20/10/7 N87AL 100NH+/-10% Learn More about TDK ferrite cores	Datasheet	6,593In Stock	$1.19 $0.822 $0.707 $0.628 View $0.554 $0.465 $0.406 $0.362	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 COIL FORMER SUMIKON PM 9630 B66418W1008D1 TDK 1: $1.56 3,576In Stock 5,040Expected 11/9/2026	Mfr. Part # B66418W1008D1 Mouser Part # 871-B66418W1008D1	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	3,576In Stock 5,040Expected 11/9/2026	$1.56 $1.42 $1.31 $1.21 View $1.12 $0.983 $0.919 $0.918	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 N87 B66421GX187 TDK 1: $1.79 194In Stock 7,800On Order	Mfr. Part # B66421GX187 Mouser Part # 871-B66421GX187	TDK	Ferrite Cores & Accessories EFD25/13/9 N87 Learn More about TDK ferrite cores	Datasheet	194In Stock 7,800On Order On Order Ship Dates Mfr. #: B66421GX187 Stock: 194 Can Ship Immediately On Order: 5,200 Expected 10/22/2026 2,600 Expected 10/27/2026 Factory Lead-Time: 10 Weeks	$1.79 $1.24 $1.07 $0.953 View $0.837 $0.696 $0.59 $0.589	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: $0.42 4,966In Stock 9,100Expected 10/27/2026	Mfr. Part # B66422B2000X Mouser Part # 871-B66422B2000X	TDK	Ferrite Cores & Accessories CLM-EFD25 2 PCS REQUIRED Learn More about TDK ferrite cores	Datasheet	4,966In Stock 9,100Expected 10/27/2026	$0.42 $0.385 $0.371 $0.353 View $0.323 $0.274 $0.271	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: $2.01 513In Stock	Mfr. Part # B66423U0250K187 Mouser Part # 871-B66423U0250K187	TDK	Ferrite Cores & Accessories EFD30/15/9 N87AL 250NH +/-10% Learn More about TDK ferrite cores	Datasheet	513In Stock	$2.01 $1.39 $1.19 $1.05 View $0.92 $0.75 $0.741 $0.68	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 78 EFD Core EFD10 8978101021 Fair-Rite 1: $0.62 4,014In Stock	Mfr. Part # 8978101021 Mouser Part # 623-8978101021	Fair-Rite	Ferrite Cores & Accessories 78 EFD Core EFD10 Learn More about Fair-Rite epcos tdk ferrite cores	Datasheet	4,014In Stock	$0.62 $0.438 $0.378 $0.338 View $0.30 $0.254 $0.223 $0.195	Min.: 1 Mult.: 1	89	Ferrite Cores	Ungapped	EFD Core	EFD 10	530 nH	25 %			78		Bulk