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RM 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 RM8 N48 315 +3% -3% B65811F315A48 TDK 1: $5.99 2,887On Order	Mfr. Part # B65811F315A48 Mouser Part # 871-B65811F315A48	TDK	Ferrite Cores & Accessories RM8 N48 315 +3% -3% Learn More about TDK ferrite cores	Datasheet	2,887On Order On Order Ship Dates Mfr. #: B65811F315A48 Stock: 0 On Order: 887 Expected 11/17/2026 2,000 Expected 3/22/2027 Factory Lead-Time: 7 Weeks	$5.99 $4.16 $3.33 $3.05 View $2.87 $2.86	Min.: 1 Mult.: 1	B65811F	Ferrite Cores	Gapped	RM Core	RM 8	315 nH	3 %			N48
Ferrite Cores & Accessories RM8 N41 160 +3%-3% Sold as set B65811J0160A041 TDK 1: $4.72 765Expected 3/9/2027	Mfr. Part # B65811J0160A041 Mouser Part # 871-B65811J0160A041	TDK	Ferrite Cores & Accessories RM8 N41 160 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	765Expected 3/9/2027	$4.72 $3.27 $2.80 $2.46 View $1.88 $1.87	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Gapped	RM Core	RM 8	160 nH	3 %			N41		Blister Pack
Ferrite Cores & Accessories RM8 N48 400 +3% -3% Sold as set B65811J0400A048 TDK 1: $6.37 800Expected 4/19/2027	Mfr. Part # B65811J0400A048 Mouser Part # 871-B65811J0400A048	TDK	Ferrite Cores & Accessories RM8 N48 400 +3% -3% Sold as set Learn More about TDK ferrite cores	Datasheet	800Expected 4/19/2027	$6.37 $4.38 $3.59 $3.21 View $2.76 $2.75 $2.60 $2.59	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Gapped	RM Core	RM 8	400 nH	3 %			N48		Blister Pack
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B65812N1008D001 TDK 1: $1.48 14,788On Order	Mfr. Part # B65812N1008D001 Mouser Part # 871-B65812N1008D001	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	14,788On Order On Order Ship Dates Mfr. #: B65812N1008D001 Stock: 0 On Order: 7,588 Expected 1/12/2027 7,200 Expected 1/28/2027 Factory Lead-Time: 4 Weeks	$1.48 $1.33 $1.16 $1.03 View $0.99 $0.80	Min.: 1 Mult.: 1	RM8	Hardware & Accessories	Ungapped	RM Core	RM 8				8 Pin		Pin	Tray
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B65812N1012D001 TDK 1: $1.40 15,623On Order	Mfr. Part # B65812N1012D001 Mouser Part # 871-B65812N1012D1	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	15,623On Order On Order Ship Dates Mfr. #: B65812N1012D001 Stock: 0 On Order: 9,623 Expected 11/17/2026 6,000 Expected 11/23/2026 Factory Lead-Time: 4 Weeks	$1.40 $1.27 $1.16 $1.10 View $0.99 $0.94 $0.757	Min.: 1 Mult.: 1	RM8	Hardware & Accessories	Ungapped	RM Core	RM 8			Coil Former Square Pins	12 Pin		Pin	Tray
Ferrite Cores & Accessories RM10/I-N97 '+30%-20% Sold as set B65813J0000R097 TDK 1: $5.95 784Expected 6/21/2027	Mfr. Part # B65813J0000R097 Mouser Part # 871-B65813J0000R097	TDK	Ferrite Cores & Accessories RM10/I-N97 '+30%-20% Sold as set Learn More about TDK ferrite cores	Datasheet	784Expected 6/21/2027	$5.95 $4.13 $3.31 $3.03 View $2.59 $2.58	Min.: 1 Mult.: 1	RM10	Ferrite Cores	Ungapped	RM Core	RM 10	4.2 uH	- 20 %, + 30 %			N97		Blister Pack
Ferrite Cores & Accessories RM 10 N41 630 '+5%-5% Sold as set B65813J0630J041 TDK 1: $5.94 4,000Expected 11/23/2027	Mfr. Part # B65813J0630J041 Mouser Part # 871-B65813J0630J041	TDK	Ferrite Cores & Accessories RM 10 N41 630 '+5%-5% Sold as set Learn More about TDK ferrite cores	Datasheet	4,000Expected 11/23/2027	$5.94 $4.11 $3.30 $3.02 View $2.51 $2.50	Min.: 1 Mult.: 1	RM10	Ferrite Cores	Gapped	RM Core	RM 10	630 nH	5 %			N41		Blister Pack
Ferrite Cores & Accessories RM10/I-N87 Sold as set B65813J0000R087 TDK 1: $3.95 4,391On Order	Mfr. Part # B65813J0000R087 Mouser Part # 871-B65813JR87	TDK	Ferrite Cores & Accessories RM10/I-N87 Sold as set Learn More about TDK ferrite cores	Datasheet	4,391On Order On Order Ship Dates Mfr. #: B65813J0000R087 Stock: 0 On Order: 791 Expected 1/25/2027 3,600 Expected 6/22/2027 Factory Lead-Time: 7 Weeks	$3.95 $2.71 $2.30 $2.02 View $2.01 $1.65	Min.: 1 Mult.: 1	RM10	Ferrite Cores	Ungapped	RM Core	RM 10	4.2 uH	- 20 %, + 30 %			N87		Blister Pack
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B65814N1008D001 TDK 1: $1.95 9,362On Order	Mfr. Part # B65814N1008D001 Mouser Part # 871-B65814N1008D001	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	9,362On Order On Order Ship Dates Mfr. #: B65814N1008D001 Stock: 0 On Order: 2,562 Expected 12/15/2026 3,600 Expected 1/28/2027 3,200 Expected 2/1/2027 Factory Lead-Time: 7 Weeks	$1.95 $1.61 $1.46 $1.29 View $1.22 $1.21 $1.11	Min.: 1 Mult.: 1	RM10	Hardware & Accessories	Ungapped	RM Core	RM 10			Coil Former	8 Pin	GFR Thermosetting Plastic	Pin	Tray
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B65814N1012D001 TDK 1: $2.07 5,829Expected 10/21/2026	Mfr. Part # B65814N1012D001 Mouser Part # 871-B65814N1012D001	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	5,829Expected 10/21/2026	$2.07 $1.88 $1.64 $1.47 View $1.46 $1.44 $1.43 $1.41	Min.: 1 Mult.: 1	RM10	Hardware & Accessories	Ungapped	RM Core	RM 10				12 Pin		Pin	Tray
Ferrite Cores & Accessories RM12/I-N49 '+30%-20% Sold as set B65815E0000R049 TDK 1: $8.55 690On Order	Mfr. Part # B65815E0000R049 Mouser Part # 871-B65815E0000R049	TDK	Ferrite Cores & Accessories RM12/I-N49 '+30%-20% Sold as set Learn More about TDK ferrite cores	Datasheet	690On Order On Order Ship Dates Mfr. #: B65815E0000R049 Stock: 0 On Order: 90 Expected 12/14/2026 300 Expected 1/11/2027 300 Expected 7/19/2027 Factory Lead-Time: 7 Weeks	$8.55 $5.92 $4.86 $4.37 View $3.95 $3.90	Min.: 1 Mult.: 1	RM12	Ferrite Cores	Ungapped	RM Core	RM 12	3.7 uH	- 20 %, + 30 %	Core		N49	SMD/SMT	Bulk
Ferrite Cores & Accessories RM12 N41 250 +3%- 3% Sold as set B65815E0250A041 TDK 1: $8.80 1,112On Order	Mfr. Part # B65815E0250A041 Mouser Part # 871-B65815E250A41	TDK	Ferrite Cores & Accessories RM12 N41 250 +3%- 3% Sold as set Learn More about TDK ferrite cores	Datasheet	1,112On Order On Order Ship Dates Mfr. #: B65815E0250A041 Stock: 0 On Order: 512 Expected 11/16/2026 600 Expected 3/15/2027 Factory Lead-Time: 4 Weeks	$8.80 $6.25 $4.96 $4.45 $3.88	Min.: 1 Mult.: 1	RM12	Ferrite Cores	Gapped	RM Core	RM 12	250 nH	3 %	Core		N41	SMD/SMT	Bulk
Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO B65816C1512T001 TDK 1: $1.75 8,016Expected 11/16/2026	Mfr. Part # B65816C1512T001 Mouser Part # 871-B65816C1512T1	TDK	Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO Learn More about TDK ferrite cores	Datasheet	8,016Expected 11/16/2026	$1.75 $1.59 $1.46 $1.35 View $1.24 $1.10 $1.04	Min.: 1 Mult.: 1	RM12	Hardware & Accessories	Ungapped	RM Core	RM 12				12 Pin		Angled Pin	Bulk
Ferrite Cores & Accessories RM14/I-N49 '+30%-20% Sold as set B65887E0000R049 TDK 1: $15.61 360On Order	Mfr. Part # B65887E0000R049 Mouser Part # 871-B65887E0000R049	TDK	Ferrite Cores & Accessories RM14/I-N49 '+30%-20% Sold as set Learn More about TDK ferrite cores	Datasheet	360On Order On Order Ship Dates Mfr. #: B65887E0000R049 Stock: 0 On Order: 120 Expected 12/28/2026 240 Expected 1/28/2027 Factory Lead-Time: 7 Weeks	$15.61 $10.62 $8.82 $7.59 $7.58	Min.: 1 Mult.: 1	RM14	Ferrite Cores	Ungapped	RM Core	RM 14	3.9 uH	- 20 %, + 30 %			N49		Bulk
Ferrite Cores & Accessories RM14 N41 250 +3%-3% Sold as set B65887E0250A041 TDK 1: $14.40 261On Order	Mfr. Part # B65887E0250A041 Mouser Part # 871-B65887E0250A041	TDK	Ferrite Cores & Accessories RM14 N41 250 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	261On Order On Order Ship Dates Mfr. #: B65887E0250A041 Stock: 0 On Order: 21 Pending 240 Expected 1/11/2027 Factory Lead-Time: 7 Weeks	$14.40 $10.43 $8.54 $7.43 $7.42	Min.: 1 Mult.: 1	RM14	Ferrite Cores	Gapped	RM Core	RM 14	250 nH	3 %			N41		Bulk
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B65820W1008D001 TDK 1: $2.17 2,000On Order	Mfr. Part # B65820W1008D001 Mouser Part # 871-B65820W1008D001	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	2,000On Order On Order Ship Dates Mfr. #: B65820W1008D001 Stock: 0 On Order: 500 Expected 1/1/2027 500 Expected 4/20/2027 1,000 Expected 4/26/2027 Factory Lead-Time: 26 Weeks	$2.17 $1.70 $1.63 $1.59 View $1.54 $1.48 $0.972 $0.92	Min.: 1 Mult.: 1	RM7	Hardware & Accessories	Ungapped	RM Core	RM 7			Coil Former	8 Pin	GFR Thermosetting Plastic	Pin	Tray
Ferrite Cores & Accessories RM8 N48 315 +3%-3% B65811F0315A048 TDK 1: $6.25 100Expected 5/3/2027	Mfr. Part # B65811F0315A048 Mouser Part # 871-B65811F0315A048	TDK	Ferrite Cores & Accessories RM8 N48 315 +3%-3% Learn More about TDK ferrite cores	Datasheet	100Expected 5/3/2027	$6.25 $5.10 $3.68 $3.51 View $2.86 $2.85	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Gapped	RM Core	RM 8	315 nH	3 %			N48		Blister Pack
Ferrite Cores & Accessories CLI/P-RM8 B65812P2203X000 TDK 1: $0.52 1,600In Stock	Mfr. Part # B65812P2203X000 Mouser Part # 871-B65812P2203X000	TDK	Ferrite Cores & Accessories CLI/P-RM8 Learn More about TDK ferrite cores	Datasheet	1,600In Stock	$0.52 $0.469 $0.442 $0.414 View $0.384 $0.341 $0.298 $0.259 $0.252	Min.: 1 Mult.: 1	RM8	Hardware & Accessories	Ungapped	RM Core	RM 8			Clamp with Ground Terminal				Bulk
Ferrite Cores & Accessories WAS-RM5-2 B65806D2005X TDK 1: $0.36 4,461On Order	Mfr. Part # B65806D2005X Mouser Part # 871-B65806D2005X	TDK	Ferrite Cores & Accessories WAS-RM5-2 Learn More about TDK ferrite cores	Datasheet	4,461On Order	$0.36 $0.324 $0.312 $0.297 View $0.275 $0.248 $0.222 $0.193 $0.179	Min.: 1 Mult.: 1	B65806D	Hardware & Accessories	Ungapped	RM Core	RM 5							Bulk
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B65814N1008D002 TDK 1: $2.36 793Expected 3/17/2027	Mfr. Part # B65814N1008D002 Mouser Part # 871-B65814N1008D002	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	793Expected 3/17/2027	$2.36 $1.86 $1.70 $1.65 View $1.55 $1.50 $1.48 $1.44	Min.: 1 Mult.: 1	RM10	Hardware & Accessories	Ungapped	RM Core	RM 10			Coil Former	8 Pin	GFR Thermosetting Plastic	Pin	Tray
Ferrite Cores & Accessories RM4-N48 Sold as set B65803A0000R048 TDK 2,400: $1.82 Non-Stocked Lead-Time 7 Weeks	Mfr. Part # B65803A0000R048 Mouser Part # 871-B65803A0000R048	TDK	Ferrite Cores & Accessories RM4-N48 Sold as set Learn More about TDK ferrite cores	Datasheet	Non-Stocked Lead-Time 7 Weeks	Cut Tape $1.82	Min.: 2,400 Mult.: 1,200 : 600	RM4	Ferrite Cores	Ungapped	RM Core	RM 4	800 nH	- 20 %, + 30 %			N48		Reel
Ferrite Cores & Accessories RM4 K 1 16 +3% -3% Sold as set B65803A0016A001 TDK 2,400: $3.47 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # B65803A0016A001 Mouser Part # 871-B65803A0016A001	TDK	Ferrite Cores & Accessories RM4 K 1 16 +3% -3% Sold as set Learn More about TDK ferrite cores	Datasheet	Non-Stocked Lead-Time 8 Weeks	Cut Tape $3.47	Min.: 2,400 Mult.: 1,200 : 600	RM4	Ferrite Cores	Gapped	RM Core	RM 4	16 nH	3 %			K1		Reel
Ferrite Cores & Accessories RM 4 N48 63 +3%- 3% Sold as set B65803A0063A048 TDK 2,400: $1.87 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # B65803A0063A048 Mouser Part # 871-B65803A0063A048	TDK	Ferrite Cores & Accessories RM 4 N48 63 +3%- 3% Sold as set Learn More about TDK ferrite cores	Datasheet	Non-Stocked Lead-Time 8 Weeks	Cut Tape $1.87	Min.: 2,400 Mult.: 1,200 : 600	RM4	Ferrite Cores	Gapped	RM Core	RM 4	63 nH	3 %			N48		Reel
Ferrite Cores & Accessories RM4/I-N49 Sold as set B65803J0000R049 TDK 2,400: $1.28 Non-Stocked Lead-Time 7 Weeks	Mfr. Part # B65803J0000R049 Mouser Part # 871-B65803J0000R049	TDK	Ferrite Cores & Accessories RM4/I-N49 Sold as set Learn More about TDK ferrite cores	Datasheet	Non-Stocked Lead-Time 7 Weeks	Cut Tape $1.28	Min.: 2,400 Mult.: 1,200 : 600	RM4	Ferrite Cores	Ungapped	RM Core	RM 4	750 nH	- 20 %, + 30 %			N49		Reel
Ferrite Cores & Accessories RM4 T35 2800 +40% -30% Sold as set B65803J0000Y035 TDK 1: $3.34 Non-Stocked Lead-Time 7 Weeks	Mfr. Part # B65803J0000Y035 Mouser Part # 871-B65803J0000Y035	TDK	Ferrite Cores & Accessories RM4 T35 2800 +40% -30% Sold as set Learn More about TDK ferrite cores	Datasheet	Non-Stocked Lead-Time 7 Weeks	Cut Tape $3.34 $2.29 $1.95 $1.71 Reel $1.46 View $1.48 $1.46 $1.45 $1.43	Min.: 1 Mult.: 1 : 600	RM4	Ferrite Cores	Ungapped	RM Core	RM 4	2.8 uH	- 30 %, + 40 %			T35		Reel, Cut Tape