.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; }

Part #

Ferrite Cores & Accessories WAS-RM10-2 MAKROFOL KL3

B65814B2005X000
TDK
1: $0.857
11,845In Stock
11,200Expected 14/9/2026

Mfr. Part No.
B65814B2005X000

Mouser Part No
871-B65814B2005X000

TDK

Ferrite Cores & Accessories WAS-RM10-2 MAKROFOL KL3

Learn More

Datasheet

11,845In Stock

11,200Expected 14/9/2026

$0.857

$0.775

$0.736

$0.68

View

Min.: 1
Mult.: 1

RM10

Hardware & Accessories

Ungapped

RM Core

RM 10

Insulating Washer

Polycarbonate

Bulk

Ferrite Cores & Accessories Clamp RM10

B65814B2203X000
TDK
400: $0.205
94,800In Stock

Mfr. Part No.
B65814B2203X000

Mouser Part No
871-B65814B2203X000

TDK

Ferrite Cores & Accessories Clamp RM10

Learn More

Datasheet

94,800In Stock

$0.205

$0.18

$0.154

Min.: 400
Mult.: 400

RM10

Hardware & Accessories

Ungapped

RM Core

RM 10

Clamp with Ground Terminal

Stainless Spring Steel

Bulk

Ferrite Cores & Accessories RM12/I-N87 '+30%-20% Sold as set

B65815E0000R087
TDK
1: $9.93
1,265In Stock
900Expected 17/9/2026

Mfr. Part No.
B65815E0000R087

Mouser Part No
871-B65815E0000R087

TDK

Ferrite Cores & Accessories RM12/I-N87 '+30%-20% Sold as set

Learn More

Datasheet

1,265In Stock

900Expected 17/9/2026

$9.93

$6.81

$5.56

$4.99

View

Min.: 1
Mult.: 1

RM12

Ferrite Cores

Ungapped

RM Core

RM 12

5.3 uH

- 20 %, + 30 %

Core

N87

SMD/SMT

Bulk

Ferrite Cores & Accessories RM 12 N41 160 +3%- 3% Sold as set

B65815E0160A041
TDK
1: $11.97
590In Stock

Mfr. Part No.
B65815E0160A041

Mouser Part No
871-B65815E160A41

TDK

Ferrite Cores & Accessories RM 12 N41 160 +3%- 3% Sold as set

Learn More

Datasheet

590In Stock

$11.97

$7.55

$6.47

$5.97

$5.28

Min.: 1
Mult.: 1

RM12

Ferrite Cores

Gapped

RM Core

RM 12

160 nH

3 %

Core

N41

SMD/SMT

Bulk

Ferrite Cores & Accessories CLI/P-RM12 2 PCS REQUIRED

B65816A2002X
TDK
1: $0.598
11,858In Stock
6,000Expected 5/10/2026

Mfr. Part No.
B65816A2002X

Mouser Part No
871-B65816A2002X

TDK

Ferrite Cores & Accessories CLI/P-RM12 2 PCS REQUIRED

Learn More

Datasheet

11,858In Stock

6,000Expected 5/10/2026

$0.598

$0.539

$0.52

$0.495

View

Min.: 1
Mult.: 1

B65816A

Hardware & Accessories

Ungapped

RM Core

RM 12

Clamp with Ground Terminal

Bulk

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

B65816N1012D1
TDK
1: $2.24
2,095In Stock

Mfr. Part No.
B65816N1012D1

Mouser Part No
871-B65816N1012D1

TDK

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

Learn More

Datasheet

2,095In Stock

$2.24

$2.04

$1.96

$1.90

View

Min.: 1
Mult.: 1

B65816N

Hardware & Accessories

Ungapped

RM Core

RM 12

12 Pin

Tray

Ferrite Cores & Accessories Coil former RM6 SMD Vectra E130i

B65821C1008T1
TDK
1: $2.83
4,392In Stock
3,000Expected 26/8/2026

Mfr. Part No.
B65821C1008T1

Mouser Part No
871-B65821C1008T1

TDK

Ferrite Cores & Accessories Coil former RM6 SMD Vectra E130i

Learn More

Datasheet

4,392In Stock

3,000Expected 26/8/2026

$2.83

$2.57

$2.38

$2.11

View

Min.: 1
Mult.: 1

B65821C

Hardware & Accessories

Ungapped

RM Core

RM 6

8 Pin

Gullwing

Tray

Ferrite Cores & Accessories COIL FORMER Laperos C 130

B65822F1008T001
TDK
1: $2.64
3,856In Stock

Mfr. Part No.
B65822F1008T001

Mouser Part No
871-B65822F1008T001

TDK

Ferrite Cores & Accessories COIL FORMER Laperos C 130

Learn More

Datasheet

3,856In Stock

$2.64

$2.39

$2.22

$1.96

View

Min.: 1
Mult.: 1

RM5

Hardware & Accessories

Ungapped

RM Core

RM 5

Coil Former

8 Pin

GFR Liquid Crystal Polymer

Gullwing

Tray

Ferrite Cores & Accessories Coil former RM5 SMD Vectra E130i

B65822F1008T2
TDK
1: $2.62
1,995In Stock

Mfr. Part No.
B65822F1008T2

Mouser Part No
871-B65822F1008T2

TDK

Ferrite Cores & Accessories Coil former RM5 SMD Vectra E130i

Learn More

Datasheet

1,995In Stock

$2.62

$2.38

$2.20

$2.04

View

Min.: 1
Mult.: 1

B65822F

Hardware & Accessories

Ungapped

RM Core

RM 5

8 Pin

Gullwing

Tray

Ferrite Cores & Accessories COIL FORMER Laperos C 130

B65822J1008T001
TDK
1: $3.16
2,237In Stock

Mfr. Part No.
B65822J1008T001

Mouser Part No
871-B65822J1008T001

TDK

Ferrite Cores & Accessories COIL FORMER Laperos C 130

Learn More

Datasheet

2,237In Stock

$3.16

$2.87

$2.68

$2.46

View

Min.: 1
Mult.: 1

RM5

Hardware & Accessories

Ungapped

RM Core

RM 5

8 Pin

J Hook

Tray

Ferrite Cores & Accessories RM14/I-N87 '+30%-20% Sold as set

B65887E0000R087
TDK
1: $15.97
1,127In Stock

Mfr. Part No.
B65887E0000R087

Mouser Part No
871-B65887E0000R087

TDK

Ferrite Cores & Accessories RM14/I-N87 '+30%-20% Sold as set

Learn More

Datasheet

Product Comments

1,127In Stock

$15.97

$11.53

$9.62

$8.15

$8.06

Min.: 1
Mult.: 1

RM14

Ferrite Cores

Ungapped

RM Core

RM 14

6 uH

- 20 %, + 30 %

N87

Bulk

Ferrite Cores & Accessories RM14/I-N97 '+30%-20% Sold as set

B65887E0000R097
TDK
1: $21.50
363In Stock
360Expected 26/8/2026

Mfr. Part No.
B65887E0000R097

Mouser Part No
871-B65887E0000R097

TDK

Ferrite Cores & Accessories RM14/I-N97 '+30%-20% Sold as set

Learn More

Datasheet

Product Comments

363In Stock

360Expected 26/8/2026

$21.50

$14.54

$12.08

$10.39

$10.38

Min.: 1
Mult.: 1

RM14

Ferrite Cores

Ungapped

RM Core

RM 14

6 uH

- 20 %, + 30 %

N97

Bulk

Ferrite Cores & Accessories RM 14 N41 160 +3%- 3% Sold as set

B65887E0160A041
TDK
1: $20.59
357In Stock

Mfr. Part No.
B65887E0160A041

Mouser Part No
871-B65887E160A41

TDK

Ferrite Cores & Accessories RM 14 N41 160 +3%- 3% Sold as set

Learn More

Datasheet

Product Comments

357In Stock

$20.59

$13.99

$11.63

$9.93

$9.91

Min.: 1
Mult.: 1

RM14

Ferrite Cores

Gapped

RM Core

RM 14

160 nH

3 %

N41

Bulk

Ferrite Cores & Accessories CLM/P-RM14

B65888A2002X000
TDK
1: $0.952
6,010In Stock

Mfr. Part No.
B65888A2002X000

Mouser Part No
871-B65888A2002X000

TDK

Ferrite Cores & Accessories CLM/P-RM14

Datasheet

6,010In Stock

$0.952

$0.86

$0.786

$0.698

View

Min.: 1
Mult.: 1

RM14

Hardware & Accessories

Ungapped

RM Core

RM 14

Clamp with Ground Terminal

Bulk

Ferrite Cores & Accessories WAS-RM14-2 MAKROFOL KL3

B65888B2005X000
TDK
1: $2.60
3,067In Stock

Mfr. Part No.
B65888B2005X000

Mouser Part No
871-B65888B2005X

TDK

Ferrite Cores & Accessories WAS-RM14-2 MAKROFOL KL3

Learn More

Datasheet

3,067In Stock

$2.60

$2.15

$1.94

$1.71

View

Min.: 1
Mult.: 1

RM14

Hardware & Accessories

Ungapped

RM Core

RM 14

Bulk

Ferrite Cores & Accessories COILFORMER RM14 SUMIKON PM9630

B65888N1012D001
TDK
1: $3.35
2,717In Stock
3,360Expected 18/12/2026

Mfr. Part No.
B65888N1012D001

Mouser Part No
871-B65888N1012D001

TDK

Ferrite Cores & Accessories COILFORMER RM14 SUMIKON PM9630

Learn More

Datasheet

2,717In Stock

3,360Expected 18/12/2026

$3.35

$2.83

$2.12

$1.92

View

Min.: 1
Mult.: 1

RM14

Hardware & Accessories

Ungapped

RM Core

RM 14

12 Pin

GFR Thermosetting Plastic

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 COIL FORMER VALOX 420 SEO

B65888C1512T001
TDK
1: $3.22
442In Stock
1,080Expected 14/1/2027

Mfr. Part No.
B65888C1512T001

Mouser Part No
871-B65888C1512T1

TDK

Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO

Learn More

Datasheet

442In Stock

1,080Expected 14/1/2027

$3.22

$2.92

$2.75

$2.43

View

Min.: 1
Mult.: 1

RM14

Hardware & Accessories

Ungapped

RM Core

RM 14

12 Pin

Angled Pin

Bulk

Ferrite Cores & Accessories RM4/I-N87 +30%-20% Sold as set

B65803J0000R087
TDK
1: $3.89
1,119In Stock
2,400Expected 8/1/2027

Mfr. Part No.
B65803J0000R087

Mouser Part No
871-B65803J0000R087

TDK

Ferrite Cores & Accessories RM4/I-N87 +30%-20% Sold as set

Learn More

Datasheet

1,119In Stock

2,400Expected 8/1/2027

Cut Tape

$3.89

$2.69

$2.30

$2.03

Reel

$1.37

View

Min.: 1
Mult.: 1

: 600

RM4

Ferrite Cores

Ungapped

RM Core

RM 4

1.1 uH

- 20 %, + 30 %

N87

Reel, Cut Tape

Ferrite Cores & Accessories RM4 PC200 500 +30% -20% Sold as set

B65803J0000R608
TDK
1: $3.66
589In Stock

Mfr. Part No.
B65803J0000R608

Mouser Part No
871-B65803J0000R608

TDK

Ferrite Cores & Accessories RM4 PC200 500 +30% -20% Sold as set

Datasheet

589In Stock

$3.66

$2.53

$2.16

$1.90

View

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 RM 4 N48 160 +3%- 3% Sold as set

B65803N0160A048
TDK
1: $6.30
207In Stock

Mfr. Part No.
B65803N0160A048

Mouser Part No
871-B65803N0160A048

TDK

Ferrite Cores & Accessories RM 4 N48 160 +3%- 3% Sold as set

Learn More

Datasheet

207In Stock

Cut Tape

$6.30

$4.31

$3.66

$3.21

Reel

$2.34

View

Min.: 1
Mult.: 1

: 600

RM4

Ferrite Cores

Gapped

RM Core

RM 4

160 nH

3 %

N48

Reel, Cut Tape

Ferrite Cores & Accessories CLAMP RM 2 PCS REQUIRED

B65804P2203X000
TDK
1: $0.816
3,384In Stock

Mfr. Part No.
B65804P2203X000

Mouser Part No
871-B65804P2203X000

TDK

Ferrite Cores & Accessories CLAMP RM 2 PCS REQUIRED

Learn More

Datasheet

3,384In Stock

$0.816

$0.743

$0.702

$0.632

View

Min.: 1
Mult.: 1

RM4

Hardware & Accessories

Ungapped

RM Core

RM 4

Clamp with Ground Terminal

Bulk

Ferrite Cores & Accessories RM5 N48 160 +3%-3% Sold as set

B65805N0160A048
TDK
1: $6.30
36In Stock
2,000Expected 3/5/2027

Mfr. Part No.
B65805N0160A048

Mouser Part No
871-B65805N0160A048

TDK

Ferrite Cores & Accessories RM5 N48 160 +3%-3% Sold as set

Learn More

Datasheet

36In Stock

2,000Expected 3/5/2027

$6.30

$4.31

$3.66

$3.21

View

Min.: 1
Mult.: 1

RM5

Ferrite Cores

Gapped

RM Core

RM 5

160 nH

3 %

N48

Blister Pack

Ferrite Cores & Accessories RM5 N48 315 +3%-3% Sold as set

B65805N0315A048
TDK
1: $6.13
480In Stock
2,000Expected 12/10/2026

Mfr. Part No.
B65805N0315A048

Mouser Part No
871-B65805N0315A048

TDK

Ferrite Cores & Accessories RM5 N48 315 +3%-3% Sold as set

Learn More

Datasheet

480In Stock

2,000Expected 12/10/2026

$6.13

$4.20

$3.56

$3.13

View

Min.: 1
Mult.: 1

RM5

Ferrite Cores

Gapped

RM Core

RM 5

315 nH

3 %

N48

Blister Pack

Ferrite Cores & Accessories RM6 N48 160 +3%-3% Sold as set

B65807C0160A048
TDK
1: $5.21
792In Stock
2,000Expected 24/11/2026

Mfr. Part No.
B65807C0160A048

Mouser Part No
871-B65807C0160A048

TDK

Ferrite Cores & Accessories RM6 N48 160 +3%-3% Sold as set

Learn More

Datasheet

792In Stock

2,000Expected 24/11/2026

$5.21

$3.58

$3.03

$2.67

View

Min.: 1
Mult.: 1

RM6

Ferrite Cores

Gapped

RM Core

RM 6

160 nH

3 %

N48

Blister Pack

RM Core Ferrite Cores & Accessories

Customer Service Office

Company

Resources

Support

62
B65539C
B65679E
B65803J
B65803P
B65804
B65804B
B65805J
B65806A
B65806B
B65806D
B65807J
B65808A
B65811D
B65811F
B65811J
B65812
B65812A
B65812B
B65812K

16 nH
20 nH
25 nH
40 nH
59 nH
63 nH
65 nH
89 nH
95 nH
100 nH
120 nH
125 nH
139 nH
160 nH
180 nH
200 nH
250 nH
270 nH
275 nH
280 nH

78
95
98
GFR Liquid Crystal Polymer
GFR Thermosetting Plastic
K1
M33
N22
N30
N41
N45
N48
N49
N87
N92
N95
N97
PC200
Polycarbonate
Spring Steel (Tinned)