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

RM Core Ferrite Cores & Accessories

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

Results: 377

Applied Filters:

Core = RM 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 RM8/I-N41 Sold as set B65811J0000R041 TDK 1: $6.14 50In Stock 1,600On Order	Mfr. Part # B65811J0000R041 Mouser Part # 871-B65811J0000R041	TDK	Ferrite Cores & Accessories RM8/I-N41 Sold as set Learn More about TDK ferrite cores	Datasheet	50In Stock 1,600On Order On Order Ship Dates Mfr. #: B65811J0000R041 Stock: 50 Can Ship Immediately On Order: 800 Expected 3/15/2027 800 Expected 4/7/2027 Factory Lead-Time: 7 Weeks	$6.14 $4.21 $3.58 $3.13 View $2.35 $2.34	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Ungapped	RM Core	RM 8	4.1 uH	- 20 %, + 30 %			N41		Blister Pack
Ferrite Cores & Accessories RM8 PC200 1260 +30% -20% Sold as set B65811J0000R608 TDK 1: $6.58 397In Stock	Mfr. Part # B65811J0000R608 Mouser Part # 871-B65811J0000R608	TDK	Ferrite Cores & Accessories RM8 PC200 1260 +30% -20% Sold as set Learn More about TDK epcos pc200 ferrite cores	Datasheet	397In Stock	$6.58 $4.52 $3.85 $3.38 View $2.98 $2.93 $2.73	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Ungapped	RM Core	23.2 mm x 11 mm	1.26 uH	- 20 %, + 30 %			PC200		Blister Pack
Ferrite Cores & Accessories RM8 N87 160 +3%-3% Sold as set B65811J0160A087 TDK 1: $5.49 24In Stock 800Expected 4/14/2027	Mfr. Part # B65811J0160A087 Mouser Part # 871-B65811J0160A087	TDK	Ferrite Cores & Accessories RM8 N87 160 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	24In Stock 800Expected 4/14/2027	$5.49 $3.76 $3.19 $2.80 View $2.48 $2.43 $2.42 $2.33 $2.31	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Gapped	RM Core	RM 8	160 nH	3 %			N87		Blister Pack
Ferrite Cores & Accessories RM8 N87 400 +3%-3% Sold as set B65811J0400A087 TDK 1: $5.38 169In Stock 2,400On Order	Mfr. Part # B65811J0400A087 Mouser Part # 871-B65811J0400A087	TDK	Ferrite Cores & Accessories RM8 N87 400 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	169In Stock 2,400On Order On Order Ship Dates Mfr. #: B65811J0400A087 Stock: 169 Can Ship Immediately On Order: 1,200 Expected 3/15/2027 1,200 Expected 4/7/2027 Factory Lead-Time: 7 Weeks	$5.38 $3.69 $3.13 $2.74 View $2.08 $2.03	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Gapped	RM Core	RM 8	400 nH	3 %			N87		Blister Pack
Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO B65812C1512T001 TDK 1: $1.92 298In Stock 7,200On Order	Mfr. Part # B65812C1512T001 Mouser Part # 871-B65812C1512T1	TDK	Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO Learn More about TDK ferrite cores	Datasheet	298In Stock 7,200On Order On Order Ship Dates Mfr. #: B65812C1512T001 Stock: 298 Can Ship Immediately On Order: 3,600 Expected 1/14/2027 3,600 Expected 1/18/2027 Factory Lead-Time: 6 Weeks	$1.92 $1.76 $1.56 $1.38 View $1.21 $1.18	Min.: 1 Mult.: 1	RM8	Hardware & Accessories	Ungapped	RM Core	RM 8				12 Pin		Pin	Bulk
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B65812N1005D001 TDK 1: $2.15 1,065In Stock	Mfr. Part # B65812N1005D001 Mouser Part # 871-B65812N1005D001	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	1,065In Stock	$2.15 $1.95 $1.77 $1.56 View $1.37 $1.33 $1.17 $1.14	Min.: 1 Mult.: 1	RM8	Hardware & Accessories	Ungapped	RM Core	RM 8				5 Pin		Pin	Tray
Ferrite Cores & Accessories RM12 N87160 '+3%-3% Sold as set B65815E0160A087 TDK 1: $10.08 220In Stock 300Expected 11/17/2026	Mfr. Part # B65815E0160A087 Mouser Part # 871-B65815E0160A087	TDK	Ferrite Cores & Accessories RM12 N87160 '+3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	220In Stock 300Expected 11/17/2026	$10.08 $6.92 $5.66 $5.06 View $4.36 $4.29	Min.: 1 Mult.: 1	RM12	Ferrite Cores	Gapped	RM Core	RM 12	160 nH	3 %	Core		N87	SMD/SMT	Bulk
Ferrite Cores & Accessories RM12/I-N41 +30%-20% Sold as set B65815E0000R041 TDK 1: $10.97 224In Stock	Mfr. Part # B65815E0000R041 Mouser Part # 871-B65815ER41	TDK	Ferrite Cores & Accessories RM12/I-N41 +30%-20% Sold as set Learn More about TDK ferrite cores	Datasheet	224In Stock	$10.97 $7.61 $6.08 $5.58 $5.25	Min.: 1 Mult.: 1	RM12	Ferrite Cores	Ungapped	RM Core	RM 12	6 uH	- 20 %, + 30 %	Core		N41	SMD/SMT	Bulk
Ferrite Cores & Accessories RM7/I-N87 Sold as set B65819J0000R087 TDK 1: $4.38 713In Stock	Mfr. Part # B65819J0000R087 Mouser Part # 871-B65819J0000R087	TDK	Ferrite Cores & Accessories RM7/I-N87 Sold as set Learn More about TDK ferrite cores	Datasheet	713In Stock	$4.38 $3.02 $2.56 $2.25 View $1.95 $1.65 $1.63	Min.: 1 Mult.: 1	RM7	Ferrite Cores	Ungapped	RM Core	RM 7	2.7 uH	- 20 %, + 30 %			N87		Blister Pack
Ferrite Cores & Accessories RM14 N87 250 +3%-3% Sold as set B65887E0250A087 TDK 1: $17.21 173In Stock	Mfr. Part # B65887E0250A087 Mouser Part # 871-B65887E0250A087	TDK	Ferrite Cores & Accessories RM14 N87 250 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	173In Stock	$17.21 $11.73 $9.78 $8.09 $8.07	Min.: 1 Mult.: 1	RM14	Ferrite Cores	Gapped	RM Core	RM 14	250 nH	3 %			N87		Bulk
Ferrite Cores & Accessories RM 14 N41 400 +3%- 3% Sold as set B65887E0400A041 TDK 1: $20.58 11In Stock 240Expected 12/14/2026	Mfr. Part # B65887E0400A041 Mouser Part # 871-B65887E400A41	TDK	Ferrite Cores & Accessories RM 14 N41 400 +3%- 3% Sold as set Learn More about TDK ferrite cores	Datasheet	11In Stock 240Expected 12/14/2026	$20.58 $14.31 $11.67 $10.24 View $10.23 $9.65	Min.: 1 Mult.: 1	RM14	Ferrite Cores	Gapped	RM Core	RM 14	400 nH	3 %			N41		Bulk
Ferrite Cores & Accessories RM14 N87 7100 '+30%-20% Sold as set B65887P0000R087 TDK 1: $16.67 122In Stock	Mfr. Part # B65887P0000R087 Mouser Part # 871-B65887P0000R087	TDK	Ferrite Cores & Accessories RM14 N87 7100 '+30%-20% Sold as set Learn More about TDK ferrite cores	Datasheet	122In Stock	$16.67 $11.40 $9.50 $7.85 $7.79	Min.: 1 Mult.: 1	RM14/LP	Ferrite Cores	Ungapped	RM Core	RM 14	7.1 uH	- 20 %, + 30 %			N87		Bulk
Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO B65888C1512T001 TDK 1: $2.47 310In Stock 1,080Expected 1/14/2027	Mfr. Part # B65888C1512T001 Mouser Part # 871-B65888C1512T1	TDK	Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO Learn More about TDK ferrite cores	Datasheet	310In Stock 1,080Expected 1/14/2027	$2.47 $2.24 $2.15 $2.07 View $2.04 $1.96 $1.70 $1.68 $1.61	Min.: 1 Mult.: 1	RM14	Hardware & Accessories	Ungapped	RM Core	RM 14				12 Pin		Angled Pin	Bulk
Ferrite Cores & Accessories 78 RM Core RM14 Ind 6200 nH 25% TOL 6278420121 Fair-Rite 1: $7.23 1In Stock	Mfr. Part # 6278420121 Mouser Part # 623-6278420121	Fair-Rite	Ferrite Cores & Accessories 78 RM Core RM14 Ind 6200 nH 25% TOL Learn More about Fair-Rite fairrite rm cores	Datasheet	1In Stock	$7.23 $4.95 $4.20 $3.68 View $3.20 $3.17	Min.: 1 Mult.: 1	62	Ferrite Cores		RM Core	RM 14	6.2 uH	25 %			78		Bulk
Ferrite Cores & Accessories 95 RM Core RM10 Ind 4900 nH 25% TOL 6295280121 Fair-Rite 1: $3.47 87In Stock	Mfr. Part # 6295280121 Mouser Part # 623-6295280121	Fair-Rite	Ferrite Cores & Accessories 95 RM Core RM10 Ind 4900 nH 25% TOL Learn More about Fair-Rite epcos tdk ferrite cores	Datasheet	87In Stock	$3.47 $2.39 $2.04 $1.81 View $1.57 $1.40	Min.: 1 Mult.: 1	62	Ferrite Cores		RM Core	RM 10	4.9 uH	25 %			95		Bulk
Ferrite Cores & Accessories 98 RM Core RM5 Ind 1770 nH 25% TOL 6298140121 Fair-Rite 1: $1.65 895In Stock	Mfr. Part # 6298140121 Mouser Part # 623-6298140121	Fair-Rite	Ferrite Cores & Accessories 98 RM Core RM5 Ind 1770 nH 25% TOL Learn More about Fair-Rite fairrite rm cores	Datasheet	895In Stock	$1.65 $1.15 $0.989 $0.911 View $0.802 $0.651 $0.632	Min.: 1 Mult.: 1	62	Ferrite Cores		RM Core	RM 5	1.77 uH	25 %			98		Bulk
Ferrite Cores & Accessories RM4 PC200 500 +30% -20% Sold as set B65803J0000R608 TDK 1: $3.50 579In Stock	Mfr. Part # B65803J0000R608 Mouser Part # 871-B65803J0000R608	TDK	Ferrite Cores & Accessories RM4 PC200 500 +30% -20% Sold as set	Datasheet	579In Stock	$3.50 $2.42 $2.07 $1.82 View $1.59 $1.33 $1.22	Min.: 1 Mult.: 1	RM4	Ferrite Cores	Ungapped	RM Core	11.4 mm x 4.6 mm	500 nH	- 20 %, + 30 %			PC200		Blister Pack
Ferrite Cores & Accessories CLAMP RM 2 PCS REQUIRED B65804P2203X000 TDK 1: $0.78 3,384In Stock	Mfr. Part # B65804P2203X000 Mouser Part # 871-B65804P2203X000	TDK	Ferrite Cores & Accessories CLAMP RM 2 PCS REQUIRED Learn More about TDK ferrite cores	Datasheet	3,384In Stock	$0.78 $0.71 $0.671 $0.621 View $0.575 $0.501 $0.468 $0.425 $0.424	Min.: 1 Mult.: 1	RM4	Hardware & Accessories	Ungapped	RM Core	RM 4			Clamp with Ground Terminal				Bulk
Ferrite Cores & Accessories RM5-N48 +30%-20% Sold as set B65805C0000R048 TDK 1: $4.71 600In Stock	Mfr. Part # B65805C0000R048 Mouser Part # 871-B65805C0000R048	TDK	Ferrite Cores & Accessories RM5-N48 +30%-20% Sold as set Learn More about TDK ferrite cores	Datasheet	600In Stock	$4.71 $3.22 $2.74 $2.42 View $2.11 $1.86 $1.85 $1.66	Min.: 1 Mult.: 1	RM5	Ferrite Cores	Ungapped	RM Core	RM 5	1.8 uH	- 20 %, + 30 %			N48		Blister Pack
Ferrite Cores & Accessories RM5 M33 100 +3% -3% Sold as set B65805C0100A033 TDK 1: $5.59 44In Stock 2,000Expected 11/16/2026	Mfr. Part # B65805C0100A033 Mouser Part # 871-B65805C100A33	TDK	Ferrite Cores & Accessories RM5 M33 100 +3% -3% Sold as set Learn More about TDK ferrite cores	Datasheet	44In Stock 2,000Expected 11/16/2026	$5.59 $3.84 $3.25 $2.86 View $2.54 $2.41 $2.13 $2.02	Min.: 1 Mult.: 1	RM5	Ferrite Cores	Gapped	RM Core	RM 5	100 nH	3 %			M33		Blister Pack
Ferrite Cores & Accessories CLM-RM5 2 PCS REQUIRED B65806J2204X000 TDK 1: $0.234 5,999In Stock	Mfr. Part # B65806J2204X000 Mouser Part # 871-B65806J2204X000	TDK	Ferrite Cores & Accessories CLM-RM5 2 PCS REQUIRED Learn More about TDK ferrite cores	Datasheet	5,999In Stock	$0.234 $0.216 $0.208 $0.203 View $0.198 $0.187 $0.169 $0.151 $0.15	Min.: 1 Mult.: 1	RM5	Hardware & Accessories	Ungapped	RM Core	RM 5							Bulk
Ferrite Cores & Accessories WAS-RM6-2 MAKROFOL KL3 B65808C2005X000 TDK 1: $0.611 5,948In Stock	Mfr. Part # B65808C2005X000 Mouser Part # 871-B65808C2005X	TDK	Ferrite Cores & Accessories WAS-RM6-2 MAKROFOL KL3 Learn More about TDK ferrite cores	Datasheet	5,948In Stock	$0.611 $0.558 $0.537 $0.499 View $0.443 $0.377 $0.334	Min.: 1 Mult.: 1	RM6	Hardware & Accessories	Ungapped	RM Core	RM 6							Bulk
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B65808N1006D002 TDK 1: $1.98 1,327In Stock	Mfr. Part # B65808N1006D002 Mouser Part # 871-B65808N1006D002	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	1,327In Stock	$1.98 $1.81 $1.66 $1.53 View $1.42 $1.25 $1.18 $1.14	Min.: 1 Mult.: 1	RM6	Hardware & Accessories	Ungapped	RM Core	RM 6				6 Pin		Pin	Tray
Ferrite Cores & Accessories RM8 N87 100 +3%-3% Sold as set B65811J0100A087 TDK 1: $5.75 125In Stock 400Expected 3/24/2027	Mfr. Part # B65811J0100A087 Mouser Part # 871-B65811J0100A087	TDK	Ferrite Cores & Accessories RM8 N87 100 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	125In Stock 400Expected 3/24/2027	$5.75 $3.94 $3.34 $2.93 View $2.57 $2.20 $2.07 $2.02	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Gapped	RM Core	RM 8	100 nH	3 %			N87		Blister Pack
Ferrite Cores & Accessories RM10 N87 400 '+3% -3% Sold as set B65813J0400A087 TDK 1: $6.97 430In Stock 800Expected 11/16/2026	Mfr. Part # B65813J0400A087 Mouser Part # 871-B65813J0400A087	TDK	Ferrite Cores & Accessories RM10 N87 400 '+3% -3% Sold as set Learn More about TDK ferrite cores	Datasheet	430In Stock 800Expected 11/16/2026	$6.97 $4.76 $4.03 $3.51 View $2.73 $2.72	Min.: 1 Mult.: 1	RM10	Ferrite Cores	Gapped	RM Core	RM 10	400 nH	3 %			N87		Blister Pack