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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 (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Ferrite Cores & Accessories RM6/I-N49 '+30%-20% Sold as set B65807J0000R049 TDK 1: $2.78 12,039In Stock	Mfr. Part # B65807J0000R049 Mouser Part # 871-B65807J0000R049	TDK	Ferrite Cores & Accessories RM6/I-N49 '+30%-20% Sold as set Learn More about TDK ferrite cores	Datasheet	12,039In Stock	$2.78 $2.14 $1.93 $1.77 View $1.63 $1.41 $1.40	Min.: 1 Mult.: 1
Ferrite Cores & Accessories E13/7/4 N87 850 +30% -20% B66305GX187 TDK 1: $0.73 17,300In Stock	Mfr. Part # B66305GX187 Mouser Part # 871-B66305GX187	TDK	Ferrite Cores & Accessories E13/7/4 N87 850 +30% -20% Learn More about TDK ferrite cores	Datasheet	17,300In Stock	$0.73 $0.508 $0.447 $0.398 View $0.352 $0.297 $0.259 $0.247 $0.215	Min.: 1 Mult.: 1
Ferrite Cores & Accessories RM6 N48 250 +3%-3% Sold as set B65807C0250A048 TDK 1: $4.03 1,965In Stock	Mfr. Part # B65807C0250A048 Mouser Part # 871-B65807C0250A048	TDK	Ferrite Cores & Accessories RM6 N48 250 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	1,965In Stock	$4.03 $2.76 $2.35 $2.04 View $1.78 $1.60 $1.52 $1.48 $1.44	Min.: 1 Mult.: 1
Ferrite Cores & Accessories RM6 N87 Sold as set B65807J0160A087 TDK 1: $3.87 934In Stock	Mfr. Part # B65807J0160A087 Mouser Part # 871-B65807J0160A087	TDK	Ferrite Cores & Accessories RM6 N87 Sold as set Learn More about TDK ferrite cores	Datasheet	934In Stock	$3.87 $2.64 $2.33 $2.06 View $1.80 $1.51 $1.50	Min.: 1 Mult.: 1
Ferrite Cores & Accessories RM6 K1 40 +3%-3% Sold as set B65807N0040A001 TDK 1: $9.93 2,705In Stock	Mfr. Part # B65807N0040A001 Mouser Part # 871-B65807N0040A001	TDK	Ferrite Cores & Accessories RM6 K1 40 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	2,705In Stock	$9.93 $6.67 $5.59 $4.84 View $4.32 $4.31 $4.15	Min.: 1 Mult.: 1
Ferrite Cores & Accessories EP7-N87 Sold as set B65839A0000R087 TDK 1: $1.63 3,782In Stock	Mfr. Part # B65839A0000R087 Mouser Part # 871-B65839A0000R087	TDK	Ferrite Cores & Accessories EP7-N87 Sold as set Learn More about TDK epcos ep transformers	Datasheet	3,782In Stock	$1.63 $1.13 $0.966 $0.856 View $0.753 $0.628 $0.541 $0.54 $0.519	Min.: 1 Mult.: 1
Ferrite Cores & Accessories E42/21/15 N87OL B66325GX187 TDK 1: $4.96 2,000In Stock	Mfr. Part # B66325GX187 Mouser Part # 871-B66325GX187	TDK	Ferrite Cores & Accessories E42/21/15 N87OL Learn More about TDK ferrite cores	Datasheet	2,000In Stock	$4.96 $3.39 $2.87 $2.51 View $1.91 $1.90	Min.: 1 Mult.: 1
Ferrite Cores & Accessories ETD34/17 11-N87-G1000 B66361G1000X187 TDK 1: $2.78 3,684In Stock	Mfr. Part # B66361G1000X187 Mouser Part # 871-B66361G1000X187	TDK	Ferrite Cores & Accessories ETD34/17 11-N87-G1000 Learn More about TDK ferrite cores	Datasheet	3,684In Stock	$2.78 $1.92 $1.63 $1.44 View $1.29 $1.10 $1.04	Min.: 1 Mult.: 1
Ferrite Cores & Accessories P 22X13 N48 630 3% Sold as set B65661T0630A048 TDK 1: $11.22 436In Stock	Mfr. Part # B65661T0630A048 Mouser Part # 871-B65661T0630A048	TDK	Ferrite Cores & Accessories P 22X13 N48 630 3% Sold as set Learn More about TDK ferrite cores		436In Stock	$11.22 $7.39 $6.18 $5.48 View $5.17 $5.16 $4.89	Min.: 1 Mult.: 1
Ferrite Cores & Accessories R87/54.3/13.5 T37 toroid B64290L0730X037 TDK 1: $53.16 63In Stock	Mfr. Part # B64290L0730X037 Mouser Part # 871-B64290L0730X037	TDK	Ferrite Cores & Accessories R87/54.3/13.5 T37 toroid Learn More about TDK ferrite cores	Datasheet	63In Stock	$53.16 $38.05 $35.47	Min.: 1 Mult.: 1
Ferrite Cores & Accessories RM5 N48 125 +2% -2% Sold as set B65805N0125G048 TDK 1: $4.80 1,440In Stock	Mfr. Part # B65805N0125G048 Mouser Part # 871-B65805N0125G048	TDK	Ferrite Cores & Accessories RM5 N48 125 +2% -2% Sold as set Learn More about TDK ferrite cores	Datasheet	1,440In Stock	$4.80 $3.29 $2.80 $2.53 View $2.15 $1.92	Min.: 1 Mult.: 1
Ferrite Cores & Accessories EFD15/8/5 N97OL B66413G0000X197 TDK 1: $1.47 8,580In 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	8,580In Stock 26,880On Order On Order Ship Dates Mfr. #: B66413G0000X197 Stock: 8,580 Can Ship Immediately On Order: 11,520 Expected 12/4/2026 15,360 Expected 12/8/2026 Factory Lead-Time: 7 Weeks	$1.47 $1.02 $0.87 $0.769 View $0.689 $0.566 $0.537 $0.466 $0.465	Min.: 1 Mult.: 1
Ferrite Cores & Accessories 3.6/2.1/2.5 DOUBLE-APERTURE CORE B62152A0008X030 TDK 1: $0.61 57,898In Stock	Mfr. Part # B62152A0008X030 Mouser Part # 871-B62152A0008X030	TDK	Ferrite Cores & Accessories 3.6/2.1/2.5 DOUBLE-APERTURE CORE Learn More about TDK ferrite cores	Datasheet	57,898In Stock	$0.61 $0.427 $0.369 $0.329 View $0.292 $0.247 $0.216 $0.187 $0.166	Min.: 1 Mult.: 1
Ferrite Cores & Accessories 4.0 X 2.4 X 1.6 TOROID B64290P0036X038 TDK 1: $0.52 17,627In Stock	Mfr. Part # B64290P0036X038 Mouser Part # 871-B64290P0036X038	TDK	Ferrite Cores & Accessories 4.0 X 2.4 X 1.6 TOROID Learn More about TDK infineon powertrain	Datasheet	17,627In Stock	$0.52 $0.354 $0.319 $0.284 View $0.251 $0.214 $0.187 $0.163 $0.14	Min.: 1 Mult.: 1
Ferrite Cores & Accessories ER 11/5 N87 Sold as set B65525J0160A087 TDK 1: $1.87 6,531In Stock	Mfr. Part # B65525J0160A087 Mouser Part # 871-B65525J0160A087	TDK	Ferrite Cores & Accessories ER 11/5 N87 Sold as set Learn More about TDK ferrite cores	Datasheet	6,531In Stock	$1.87 $1.22 $1.07 $0.953 View $0.846 $0.717 $0.615 $0.612 $0.611	Min.: 1 Mult.: 1
Ferrite Cores & Accessories P22/13-N30 +30%-20% Sold as set B65661D0000R030 TDK 1: $5.78 1,378In Stock	Mfr. Part # B65661D0000R030 Mouser Part # 871-B65661D0000R030	TDK	Ferrite Cores & Accessories P22/13-N30 +30%-20% Sold as set Learn More about TDK ferrite cores	Datasheet	1,378In Stock	$5.78 $3.93 $3.32 $2.90 View $2.51 $2.29 $2.28 $2.24	Min.: 1 Mult.: 1
Ferrite Cores & Accessories RM4 T385000 +40%-30% Sold as set B65803P0000Y038 TDK 1: $4.59 6,335In Stock	Mfr. Part # B65803P0000Y038 Mouser Part # 871-B65803P0000Y038	TDK	Ferrite Cores & Accessories RM4 T385000 +40%-30% Sold as set Learn More about TDK ferrite cores	Datasheet	6,335In Stock	Cut Tape $4.59 $3.14 $2.66 $2.33 View Reel $1.74 $2.02 $1.75 $1.74	Min.: 1 Mult.: 1 : 800
Ferrite Cores & Accessories RM 5 N48315 + 3%- 3% Sold as set B65805C0315A048 TDK 1: $3.42 2,149In Stock	Mfr. Part # B65805C0315A048 Mouser Part # 871-B65805C0315A048	TDK	Ferrite Cores & Accessories RM 5 N48315 + 3%- 3% Sold as set Learn More about TDK ferrite cores	Datasheet	2,149In Stock	$3.42 $2.34 $2.07 $1.84 View $1.63 $1.34 $1.33	Min.: 1 Mult.: 1
Ferrite Cores & Accessories RM5 N87 160 +3%-3% Sold as set B65805J0160A087 TDK 1: $3.78 1,428In Stock	Mfr. Part # B65805J0160A087 Mouser Part # 871-B65805J0160A087	TDK	Ferrite Cores & Accessories RM5 N87 160 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	1,428In Stock	$3.78 $2.60 $2.21 $1.94 View $1.69 $1.40 $1.39	Min.: 1 Mult.: 1
Ferrite Cores & Accessories RM6/I-N41 '+30%-20% Sold as set B65807J0000R041 TDK 1: $3.58 2,796In Stock	Mfr. Part # B65807J0000R041 Mouser Part # 871-B65807J0000R041	TDK	Ferrite Cores & Accessories RM6/I-N41 '+30%-20% Sold as set Learn More about TDK ferrite cores	Datasheet	2,796In Stock	$3.58 $2.46 $2.09 $1.84 View $1.60 $1.31 $1.30	Min.: 1 Mult.: 1
Ferrite Cores & Accessories RM6 M33 63 +3%-3% Sold as set B65807N0063A033 TDK 1: $5.46 1,989In Stock	Mfr. Part # B65807N0063A033 Mouser Part # 871-B65807N0063A033	TDK	Ferrite Cores & Accessories RM6 M33 63 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	1,989In Stock	$5.46 $3.69 $3.16 $2.76 View $2.39 $2.15 $2.14	Min.: 1 Mult.: 1
Ferrite Cores & Accessories EP13-N87 '+30%-20% Sold as set B65843A0000R087 TDK 1: $2.58 2,922In Stock	Mfr. Part # B65843A0000R087 Mouser Part # 871-B65843A0000R087	TDK	Ferrite Cores & Accessories EP13-N87 '+30%-20% Sold as set Learn More about TDK epcos ep transformers	Datasheet	2,922In Stock	$2.58 $1.72 $1.47 $1.29 View $1.13 $1.10 $0.924	Min.: 1 Mult.: 1
Ferrite Cores & Accessories E13/7/4 N27 LP 0.04MM B66305G0040X127 TDK 1: $0.87 23,842In Stock	Mfr. Part # B66305G0040X127 Mouser Part # 871-B66305G0040X127	TDK	Ferrite Cores & Accessories E13/7/4 N27 LP 0.04MM Learn More about TDK ferrite cores	Datasheet	23,842In Stock	$0.87 $0.606 $0.522 $0.464 View $0.411 $0.346 $0.301 $0.249	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings DL14.5/14.5/8.5 K 1 double aperture B62152A0001X001 TDK 1: $3.84 1,048In Stock	Mfr. Part # B62152A0001X001 Mouser Part # 871-B62152A0001X001	TDK	Ferrite Toroids / Ferrite Rings DL14.5/14.5/8.5 K 1 double aperture Learn More about TDK ferrite cores	Datasheet	1,048In Stock	$3.84 $1.95 $1.74 $1.60 View $1.47 $1.42 $1.41	Min.: 1 Mult.: 1
Ferrite Cores & Accessories 6.3 X 3.8 X 2.5 TOROID B64290P0037X001 TDK 1: $1.89 2,828In Stock	Mfr. Part # B64290P0037X001 Mouser Part # 871-B64290P0037X001	TDK	Ferrite Cores & Accessories 6.3 X 3.8 X 2.5 TOROID Learn More about TDK infineon powertrain	Datasheet	2,828In Stock	$1.89 $1.32 $1.13 $0.993 View $0.872 $0.724 $0.622 $0.619	Min.: 1 Mult.: 1

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Ferrite Cores & Accessories

Types of Passive Components