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RM8 Series 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 N41 630 +5%-5% Sold as set B65811J0630J041 TDK 1: $4.88 1,505In Stock	Mfr. Part # B65811J0630J041 Mouser Part # 871-B65811J0630J041	TDK	Ferrite Cores & Accessories RM8 N41 630 +5%-5% Sold as set Learn More about TDK ferrite cores	Datasheet	1,505In Stock	$4.88 $3.34 $2.83 $2.52 View $2.09 $1.93 $1.92 $1.87 $1.84	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Gapped	RM Core	RM 8	630 nH	5 %			N41		Blister Pack
Ferrite Cores & Accessories RM8 N48 630 +5%-5% Sold as set B65811D0630J048 TDK 1: $6.43 1,656In Stock	Mfr. Part # B65811D0630J048 Mouser Part # 871-B65811D0630J048	TDK	Ferrite Cores & Accessories RM8 N48 630 +5%-5% Sold as set Learn More about TDK ferrite cores	Datasheet	1,656In Stock	$6.43 $4.36 $3.70 $3.21 View $2.61 $2.60 $2.48	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Gapped	RM Core	RM 8	630 nH	5 %			N48		Blister Pack
Ferrite Cores & Accessories RM8 N48 315 +3% -3% Sold as set B65811J0315A048 TDK 1: $6.43 1,184In Stock	Mfr. Part # B65811J0315A048 Mouser Part # 871-B65811J0315A048	TDK	Ferrite Cores & Accessories RM8 N48 315 +3% -3% Sold as set Learn More about TDK ferrite cores	Datasheet	1,184In Stock	$6.43 $4.36 $3.71 $3.21 View $2.76 $2.75 $2.60 $2.48	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Gapped	RM Core	RM 8	315 nH	3 %			N48		Blister Pack
Ferrite Cores & Accessories RM8 N48 400 +3%-3% 2 piece set Sold as set B65811F0400A048 TDK 1: $8.20 493In Stock	Mfr. Part # B65811F0400A048 Mouser Part # 871-B65811F0400A048	TDK	Ferrite Cores & Accessories RM8 N48 400 +3%-3% 2 piece set Sold as set Learn More about TDK ferrite cores	Datasheet	493In Stock	$8.20 $5.69 $4.56 $4.17 View $3.81 $3.68 $3.56 $3.34	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 B65812N1005D002 TDK 1: $1.79 6In Stock	Mfr. Part # B65812N1005D002 Mouser Part # 871-B65812N1005D002	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	6In Stock	$1.79 $1.36 $1.29 $1.19 View $1.08 $0.99 $0.885 $0.877 $0.845	Min.: 1 Mult.: 1	RM8	Hardware & Accessories	Ungapped	RM Core	RM 8				5 Pin		Pin	Tray
Ferrite Cores & Accessories RM8 N48 250 +3%-3% Sold as set B65811D0250A048 TDK 1: $6.61 747In Stock	Mfr. Part # B65811D0250A048 Mouser Part # 871-B65811D0250A048	TDK	Ferrite Cores & Accessories RM8 N48 250 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	747In Stock	$6.61 $4.49 $3.81 $3.30 View $2.76 $2.75 $2.61 $2.60	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Gapped	RM Core	RM 8	250 nH	3 %			N48		Blister Pack
Ferrite Cores & Accessories RM8/I-N49 Sold as set B65811J0000R049 TDK 1: $5.18 1,068In Stock	Mfr. Part # B65811J0000R049 Mouser Part # 871-B65811J0000R049	TDK	Ferrite Cores & Accessories RM8/I-N49 Sold as set Learn More about TDK ferrite cores	Datasheet	1,068In Stock	$5.18 $3.54 $3.00 $2.63 View $2.06 $2.05 $1.93	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Ungapped	RM Core	RM 8	2.2 uH	- 20 %, + 30 %			N49		Blister Pack
Ferrite Cores & Accessories RM8/I-N97 Sold as set B65811J0000R097 TDK 1: $5.02 1,974In Stock 800Expected 3/29/2027	Mfr. Part # B65811J0000R097 Mouser Part # 871-B65811J0000R097	TDK	Ferrite Cores & Accessories RM8/I-N97 Sold as set Learn More about TDK ferrite cores	Datasheet	1,974In Stock 800Expected 3/29/2027	$5.02 $3.43 $2.91 $2.54 View $1.94 $1.93	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Ungapped	RM Core	RM 8	3.3 uH	- 20 %, + 30 %			N97		Blister Pack
Ferrite Cores & Accessories RM8/I-T38 Sold as set B65811J0000Y038 TDK 1: $5.41 898In Stock 4,000On Order	Mfr. Part # B65811J0000Y038 Mouser Part # 871-B65811J0000Y038	TDK	Ferrite Cores & Accessories RM8/I-T38 Sold as set Learn More about TDK ferrite cores	Datasheet	898In Stock 4,000On Order On Order Ship Dates Mfr. #: B65811J0000Y038 Stock: 898 Can Ship Immediately On Order: 1,600 Expected 12/3/2026 2,400 Expected 12/17/2026 Factory Lead-Time: 7 Weeks	$5.41 $3.71 $3.15 $2.76 View $2.40 $2.28 $2.06	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Ungapped	RM Core	RM 8	12.5 uH	- 30 %, + 40 %			T38		Blister Pack
Ferrite Cores & Accessories RM8 N87 250 +3%-3% Sold as set B65811J0250A087 TDK 1: $3.21 1,119In Stock	Mfr. Part # B65811J0250A087 Mouser Part # 871-B65811J0250A087	TDK	Ferrite Cores & Accessories RM8 N87 250 +3%-3% Sold as set Learn More about TDK ferrite cores	Datasheet	1,119In Stock	$3.21 $2.21 $1.88 $1.65 View $1.63 $1.53	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Gapped	RM Core	RM 8	250 nH	3 %			N87		Blister Pack
Ferrite Cores & Accessories RM8 N41 250 +5%-5% Sold as set B65811J0250J041 TDK 1: $5.23 1,094In Stock 1,200Expected 12/8/2026	Mfr. Part # B65811J0250J041 Mouser Part # 871-B65811J0250J041	TDK	Ferrite Cores & Accessories RM8 N41 250 +5%-5% Sold as set Learn More about TDK ferrite cores	Datasheet	1,094In Stock 1,200Expected 12/8/2026	$5.23 $3.59 $3.05 $2.66 View $2.25 $2.07 $1.87	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Gapped	RM Core	RM 8	250 nH	5 %			N41		Blister Pack
Ferrite Cores & Accessories Ferrites 1600 nH, 10%, N41, RM Core B65811J1600K041 TDK 1: $5.23 1,124In Stock	Mfr. Part # B65811J1600K041 Mouser Part # 871-B65811J1600K041	TDK	Ferrite Cores & Accessories Ferrites 1600 nH, 10%, N41, RM Core Learn More about TDK ferrite cores	Datasheet	1,124In Stock	$5.23 $3.59 $3.05 $2.66 View $2.25 $2.07 $1.87	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Gapped	RM Core	RM 8	1600 nH	10 %			N41		Blister Pack
Ferrite Cores & Accessories Coil former RM8 Sumikon PM 9630 B65812N1008D002 TDK 1: $2.12 1,426In Stock	Mfr. Part # B65812N1008D002 Mouser Part # 871-B65812N1008D002	TDK	Ferrite Cores & Accessories Coil former RM8 Sumikon PM 9630 Learn More about TDK ferrite cores	Datasheet	1,426In Stock	$2.12 $1.92 $1.71 $1.51 View $1.35 $1.14 $1.12 $1.08	Min.: 1 Mult.: 1	RM8	Hardware & Accessories	Ungapped					Coil Former with Solder Pins	8 Pin		Pin	Tray
Ferrite Cores & Accessories Coil former RM8 Sumikon PM 9630 B65812N1012D002 TDK 1: $2.10 3,599In Stock 6,000On Order	Mfr. Part # B65812N1012D002 Mouser Part # 871-B65812N1012D002	TDK	Ferrite Cores & Accessories Coil former RM8 Sumikon PM 9630 Learn More about TDK ferrite cores	Datasheet	3,599In Stock 6,000On Order On Order Ship Dates Mfr. #: B65812N1012D002 Stock: 3,599 Can Ship Immediately On Order: 800 Expected 5/17/2027 5,200 Expected 6/21/2027 Factory Lead-Time: 7 Weeks	$2.10 $1.71 $1.56 $1.51 View $1.42 $1.38 $1.35 $1.32 $1.23	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Ungapped		RM 8				12 Pin			Tray
Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 B65812N1012D001 TDK 1: $1.40 9,023In Stock 6,000Expected 2/8/2027	Mfr. Part # B65812N1012D001 Mouser Part # 871-B65812N1012D1	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	9,023In Stock 6,000Expected 2/8/2027	$1.40 $1.27 $1.18 $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 RM8-N48 Sold as set B65811D0000R048 TDK 1: $6.21 975In Stock	Mfr. Part # B65811D0000R048 Mouser Part # 871-B65811D0000R048	TDK	Ferrite Cores & Accessories RM8-N48 Sold as set Learn More about TDK ferrite cores	Datasheet	975In Stock	$6.21 $4.23 $3.57 $3.11 View $2.49 $2.48	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Ungapped	RM Core	RM 8	2.9 uH	- 20 %, + 30 %			N48		Blister Pack
Ferrite Cores & Accessories WAS-RM8-2 MAKROFOL KL3 B65812C2005X000 TDK 1: $0.57 8,950In Stock	Mfr. Part # B65812C2005X000 Mouser Part # 871-B65812C2005X	TDK	Ferrite Cores & Accessories WAS-RM8-2 MAKROFOL KL3 Learn More about TDK ferrite cores	Datasheet	8,950In Stock	$0.57 $0.522 $0.502 $0.488 View $0.45 $0.405 $0.365 $0.349 $0.302	Min.: 1 Mult.: 1	RM8	Hardware & Accessories	Ungapped	RM Core	RM 8							Bulk
Ferrite Cores & Accessories Coil former RM8 Sumikon PM 9630 B65812N1108D002 TDK 1: $2.75 947In Stock	Mfr. Part # B65812N1108D002 Mouser Part # 871-B65812N1108D002	TDK	Ferrite Cores & Accessories Coil former RM8 Sumikon PM 9630 Learn More about TDK ferrite cores	Datasheet	947In Stock	$2.75 $2.50 $2.32 $2.03 View $1.76 $1.59 $1.58	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Ungapped		RM 8				8 Pin			Tray
Ferrite Cores & Accessories RM8/I-N30 Sold as set B65811J0000R030 TDK 1: $4.66 35In Stock 1,600On Order	Mfr. Part # B65811J0000R030 Mouser Part # 871-B65811J0000R030	TDK	Ferrite Cores & Accessories RM8/I-N30 Sold as set Learn More about TDK ferrite cores	Datasheet	35In Stock 1,600On Order On Order Ship Dates Mfr. #: B65811J0000R030 Stock: 35 Can Ship Immediately On Order: 800 Expected 2/8/2027 800 Expected 8/24/2027 Factory Lead-Time: 7 Weeks	$4.66 $3.19 $2.71 $2.37 View $1.77 $1.76 $1.66	Min.: 1 Mult.: 1	RM8	Ferrite Cores	Ungapped	RM Core	RM 8	5.7 uH	- 20 %, + 30 %			N30		Blister Pack
Ferrite Cores & Accessories RM8 PC200 1260 +30% -20% Sold as set B65811J0000R608 TDK 1: $5.40 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	$5.40 $3.68 $3.12 $2.72 View $2.36 $2.33 $2.10	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: $4.26 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	$4.26 $2.92 $2.48 $2.17 View $1.97 $1.87 $1.86 $1.79 $1.78	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: $4.19 159In 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	159In Stock 2,400On Order On Order Ship Dates Mfr. #: B65811J0400A087 Stock: 159 Can Ship Immediately On Order: 1,200 Expected 3/15/2027 1,200 Expected 4/7/2027 Factory Lead-Time: 7 Weeks	$4.19 $2.88 $2.44 $2.14 View $1.60 $1.56	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: $1.48 8In Stock 7,200Expected 12/21/2026	Mfr. Part # B65812C1512T001 Mouser Part # 871-B65812C1512T1	TDK	Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO Learn More about TDK ferrite cores	Datasheet	8In Stock 7,200Expected 12/21/2026	$1.48 $1.35 $1.27 $1.17 View $1.08 $0.947 $0.93	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: $1.65 865In Stock	Mfr. Part # B65812N1005D001 Mouser Part # 871-B65812N1005D001	TDK	Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630 Learn More about TDK ferrite cores	Datasheet	865In Stock	$1.65 $1.50 $1.40 $1.24 View $1.09 $1.05 $0.903 $0.88	Min.: 1 Mult.: 1	RM8	Hardware & Accessories	Ungapped	RM Core	RM 8				5 Pin		Pin	Tray
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 $0.452 $0.421 View $0.389 $0.347 $0.304 $0.29 $0.252	Min.: 1 Mult.: 1	RM8	Hardware & Accessories	Ungapped	RM Core	RM 8			Clamp with Ground Terminal				Bulk