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

RM8 Series Ferrite Cores & Accessories

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

Results: 63

Applied Filters:

Series = RM8

Product

Type

Core

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; }

Part #

Ferrite Cores & Accessories RM8 N41 630 +5%-5% Sold as set

B65811J0630J041
TDK
1: $5.20
1,515In Stock

Mfr. Part No.
B65811J0630J041

Mouser Part No
871-B65811J0630J041

TDK

Ferrite Cores & Accessories RM8 N41 630 +5%-5% Sold as set

Learn More

Datasheet

1,515In Stock

$5.20

$3.56

$3.03

$2.65

View

Min.: 1
Mult.: 1

RM8

Ferrite Cores

Gapped

RM Core

RM 8

630 nH

5 %

N41

Blister Pack

Ferrite Cores & Accessories RM8 N48 400 +3%-3% 2 piece set Sold as set

B65811F0400A048
TDK
1: $9.41
493In Stock

Mfr. Part No.
B65811F0400A048

Mouser Part No
871-B65811F0400A048

TDK

Ferrite Cores & Accessories RM8 N48 400 +3%-3% 2 piece set Sold as set

Learn More

Datasheet

493In Stock

$9.41

$6.53

$5.22

$4.79

View

Min.: 1
Mult.: 1

RM8

Ferrite Cores

Gapped

RM Core

RM 8

400 nH

3 %

N48

Blister Pack

Ferrite Cores & Accessories RM8 PC200 1260 +30% -20% Sold as set

B65811J0000R608
TDK
1: $5.75
427In Stock

Mfr. Part No.
B65811J0000R608

Mouser Part No
871-B65811J0000R608

TDK

Ferrite Cores & Accessories RM8 PC200 1260 +30% -20% Sold as set

Learn More

Datasheet

427In Stock

$5.75

$3.94

$3.33

$2.92

View

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 COIL FORMER SUMIKON PM 9630

B65812N1005D002
TDK
1: $2.77
6In Stock

Mfr. Part No.
B65812N1005D002

Mouser Part No
871-B65812N1005D002

TDK

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

Learn More

Datasheet

6In Stock

$2.77

$1.92

$1.63

$1.44

View

Min.: 1
Mult.: 1

RM8

Hardware & Accessories

Ungapped

RM Core

RM 8

5 Pin

Tray

Ferrite Cores & Accessories RM8/I-N97 Sold as set

B65811J0000R097
TDK
1: $6.90
926In Stock

Mfr. Part No.
B65811J0000R097

Mouser Part No
871-B65811J0000R097

TDK

Ferrite Cores & Accessories RM8/I-N97 Sold as set

Learn More

Datasheet

926In Stock

$6.90

$4.73

$4.01

$3.52

View

Min.: 1
Mult.: 1

RM8

Ferrite Cores

Ungapped

RM Core

RM 8

3.3 uH

- 20 %, + 30 %

N97

Blister Pack

Ferrite Cores & Accessories RM8 N87 250 +3%-3% Sold as set

B65811J0250A087
TDK
1: $5.58
1,388In Stock

Mfr. Part No.
B65811J0250A087

Mouser Part No
871-B65811J0250A087

TDK

Ferrite Cores & Accessories RM8 N87 250 +3%-3% Sold as set

Learn More

Datasheet

1,388In Stock

$5.58

$3.82

$3.25

$2.84

View

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: $6.66
1,824In Stock

Mfr. Part No.
B65811J0250J041

Mouser Part No
871-B65811J0250J041

TDK

Ferrite Cores & Accessories RM8 N41 250 +5%-5% Sold as set

Learn More

Datasheet

1,824In Stock

$6.66

$4.57

$3.88

$3.40

View

Min.: 1
Mult.: 1

RM8

Ferrite Cores

Gapped

RM Core

RM 8

250 nH

5 %

N41

Blister Pack

Ferrite Cores & Accessories RM8N41 1600 +10%-10% Sold as set

B65811J1600K041
TDK
1: $6.64
1,264In Stock

Mfr. Part No.
B65811J1600K041

Mouser Part No
871-B65811J1600K041

TDK

Ferrite Cores & Accessories RM8N41 1600 +10%-10% Sold as set

Learn More

Datasheet

1,264In Stock

$6.64

$4.54

$3.85

$3.36

View

Min.: 1
Mult.: 1

RM8

Ferrite Cores

Gapped

RM Core

RM 8

160 nH

10 %

N41

Blister Pack

Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO

B65812C1512T001
TDK
1: $2.01
6,013In Stock

Mfr. Part No.
B65812C1512T001

Mouser Part No
871-B65812C1512T1

TDK

Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO

Learn More

Datasheet

6,013In Stock

$2.01

$1.84

$1.63

$1.44

View

Min.: 1
Mult.: 1

RM8

Hardware & Accessories

Ungapped

RM Core

RM 8

12 Pin

Bulk

Ferrite Cores & Accessories WAS-RM8-2 MAKROFOL KL3

B65812C2005X000
TDK
1: $1.21
5,128In Stock

Mfr. Part No.
B65812C2005X000

Mouser Part No
871-B65812C2005X

TDK

Ferrite Cores & Accessories WAS-RM8-2 MAKROFOL KL3

Learn More

Datasheet

5,128In Stock

$1.21

$0.836

$0.721

$0.643

View

Min.: 1
Mult.: 1

RM8

Hardware & Accessories

Ungapped

RM Core

RM 8

Bulk

Ferrite Cores & Accessories Insulating washer RM8 Flexiso FI 16000

B65812F5000X000
TDK
1: $1.41
7,632In Stock

Mfr. Part No.
B65812F5000X000

Mouser Part No
871-B65812F5000X000

TDK

Ferrite Cores & Accessories Insulating washer RM8 Flexiso FI 16000

Learn More

Datasheet

7,632In Stock

$1.41

$0.978

$0.84

$0.747

View

Min.: 1
Mult.: 1

RM8

Ungapped

Bulk

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

B65812N1005D001
TDK
1: $2.24
1,706In Stock

Mfr. Part No.
B65812N1005D001

Mouser Part No
871-B65812N1005D001

TDK

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

Learn More

Datasheet

1,706In Stock

$2.24

$2.04

$1.85

$1.63

View

Min.: 1
Mult.: 1

RM8

Hardware & Accessories

Ungapped

RM Core

RM 8

5 Pin

Tray

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

B65812N1008D001
TDK
1: $1.90
6,825In Stock
14,800On Order

Mfr. Part No.
B65812N1008D001

Mouser Part No
871-B65812N1008D001

TDK

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

Learn More

Datasheet

6,825In Stock

14,800On Order

$1.90

$1.73

$1.58

$1.40

View

Min.: 1
Mult.: 1

RM8

Hardware & Accessories

Ungapped

RM Core

RM 8

8 Pin

Tray

Ferrite Cores & Accessories Coil former RM8 Sumikon PM 9630

B65812N1108D002
TDK
1: $3.74
1,051In Stock

Mfr. Part No.
B65812N1108D002

Mouser Part No
871-B65812N1108D002

TDK

Ferrite Cores & Accessories Coil former RM8 Sumikon PM 9630

Learn More

Datasheet

1,051In Stock

$3.74

$3.39

$2.87

$2.52

View

Min.: 1
Mult.: 1

RM8

Ferrite Cores

Ungapped

RM 8

8 Pin

Tray

Ferrite Cores & Accessories CLI/P-RM8

B65812P2203X000
TDK
1: $1.01
1,652In Stock

Mfr. Part No.
B65812P2203X000

Mouser Part No
871-B65812P2203X000

TDK

Ferrite Cores & Accessories CLI/P-RM8

Learn More

Datasheet

1,652In Stock

$1.01

$0.698

$0.601

$0.536

View

Min.: 1
Mult.: 1

RM8

Hardware & Accessories

Ungapped

RM Core

RM 8

Clamp with Ground Terminal

Bulk

Ferrite Cores & Accessories RM8-N48 Sold as set

B65811D0000R048
TDK
1: $8.84
205In Stock
800Expected 26/8/2026

Mfr. Part No.
B65811D0000R048

Mouser Part No
871-B65811D0000R048

TDK

Ferrite Cores & Accessories RM8-N48 Sold as set

Learn More

Datasheet

205In Stock

800Expected 26/8/2026

$8.84

$6.07

$5.15

$4.52

View

Min.: 1
Mult.: 1

RM8

Ferrite Cores

Ungapped

RM Core

RM 8

2.9 uH

- 20 %, + 30 %

N48

Blister Pack

Ferrite Cores & Accessories RM8 N48 630 +5%-5% Sold as set

B65811D0630J048
TDK
1: $8.15
456In Stock
1,200Expected 26/10/2026

Mfr. Part No.
B65811D0630J048

Mouser Part No
871-B65811D0630J048

TDK

Ferrite Cores & Accessories RM8 N48 630 +5%-5% Sold as set

Learn More

Datasheet

456In Stock

1,200Expected 26/10/2026

$8.15

$5.66

$4.53

$4.15

View

Min.: 1
Mult.: 1

RM8

Ferrite Cores

Gapped

RM Core

RM 8

630 nH

5 %

N48

Blister Pack

Ferrite Cores & Accessories RM8/I-N41 Sold as set

B65811J0000R041
TDK
1: $6.42
55In Stock
1,600On Order

Mfr. Part No.
B65811J0000R041

Mouser Part No
871-B65811J0000R041

TDK

Ferrite Cores & Accessories RM8/I-N41 Sold as set

Learn More

Datasheet

55In Stock

1,600On Order

$6.42

$4.41

$3.74

$3.28

View

Min.: 1
Mult.: 1

RM8

Ferrite Cores

Ungapped

RM Core

RM 8

4.1 uH

- 20 %, + 30 %

N41

Blister Pack

Ferrite Cores & Accessories RM8/I-N49 Sold as set

B65811J0000R049
TDK
1: $6.88
288In Stock
800Expected 5/10/2026

Mfr. Part No.
B65811J0000R049

Mouser Part No
871-B65811J0000R049

TDK

Ferrite Cores & Accessories RM8/I-N49 Sold as set

Learn More

Datasheet

288In Stock

800Expected 5/10/2026

$6.88

$4.72

$4.01

$3.51

View

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-T38 Sold as set

B65811J0000Y038
TDK
1: $7.34
83In Stock
2,400Expected 14/9/2026

Mfr. Part No.
B65811J0000Y038

Mouser Part No
871-B65811J0000Y038

TDK

Ferrite Cores & Accessories RM8/I-T38 Sold as set

Learn More

Datasheet

83In Stock

2,400Expected 14/9/2026

$7.34

$5.05

$4.28

$3.75

View

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 160 +3%-3% Sold as set

B65811J0160A087
TDK
1: $5.68
236In Stock

Mfr. Part No.
B65811J0160A087

Mouser Part No
871-B65811J0160A087

TDK

Ferrite Cores & Accessories RM8 N87 160 +3%-3% Sold as set

Learn More

Datasheet

236In Stock

$5.68

$3.90

$3.30

$2.90

View

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: $5.58
179In Stock
2,400On Order

Mfr. Part No.
B65811J0400A087

Mouser Part No
871-B65811J0400A087

TDK

Ferrite Cores & Accessories RM8 N87 400 +3%-3% Sold as set

Learn More

Datasheet

179In Stock

2,400On Order

$5.58

$3.82

$3.25

$2.84

View

Min.: 1
Mult.: 1

RM8

Ferrite Cores

Gapped

RM Core

RM 8

400 nH

3 %

N87

Blister Pack

Ferrite Cores & Accessories Coil former RM8 Sumikon PM 9630

B65812N1008D002
TDK
1: $3.75
279In Stock
1,200On Order

Mfr. Part No.
B65812N1008D002

Mouser Part No
871-B65812N1008D002

TDK

Ferrite Cores & Accessories Coil former RM8 Sumikon PM 9630

Learn More

Datasheet

279In Stock

1,200On Order

$3.75

$2.60

$2.22

$1.96

View

Min.: 1
Mult.: 1

RM8

Hardware & Accessories

Ungapped

Coil Former with Solder Pins

8 Pin

Tray

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

B65812N1012D001
TDK
1: $2.20
425In Stock
10,800Expected 27/11/2026

Mfr. Part No.
B65812N1012D001

Mouser Part No
871-B65812N1012D1

TDK

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

Learn More

Datasheet

425In Stock

10,800Expected 27/11/2026

$2.20

$1.52

$1.32

$1.21

View

Min.: 1
Mult.: 1

RM8

Hardware & Accessories

Ungapped

RM Core

RM 8

Coil Former Square Pins

12 Pin

Tray

Ferrite Cores & Accessories RM8 N48 630 +5%-5% Sold as set

B65811F0630J048
TDK
1: $11.30
139In Stock

Mfr. Part No.
B65811F0630J048

Mouser Part No
871-B65811F0630J048

TDK

Ferrite Cores & Accessories RM8 N48 630 +5%-5% Sold as set

Learn More

Datasheet

139In Stock

$11.30

$7.74

$6.34

$5.66

View

Min.: 1
Mult.: 1

RM8

Ferrite Cores

Gapped

RM Core

RM 8

630 nH

5 %

N48

Blister Pack

RM8 Series Ferrite Cores & Accessories

Customer Service Office

Company

Resources

Support

40 nH
59 nH
100 nH
139 nH
160 nH
250 nH
315 nH
400 nH
425 nH
500 nH
630 nH
1 uH
1.26 uH
2.2 uH
2.5 uH
2.9 uH
3.3 uH
4.1 uH
5.7 uH
8.4 uH