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Ferrite Cores & Accessories

EPCOS / TDK Ferrite Cores and Accessories feature polycrystal, sintered material construction with high electrical resistivity and distributed air gaps. These ferrites are ideal for transportation equipment and medical devices. Ferrite cores include E core, ETD core, PM core, U core, PS core, RM core, EFD core, and more. A wide variety of accessories is also available.

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Part #

Ferrite Cores & Accessories RM4 Low Profile N49 950 +30% -20% Sold as set

B65803P0000R049
EPCOS / TDK
1: $3.86
859In Stock

Mfr. Part No.
B65803P0000R049

Mouser Part No
871-B65803P0000R049

EPCOS / TDK

Ferrite Cores & Accessories RM4 Low Profile N49 950 +30% -20% Sold as set

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Datasheet

859In Stock

Cut Tape

$3.86

$2.67

$2.28

$2.00

View

Reel

$1.52

Min.: 1
Mult.: 1

Reel: 800

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Reel, Cut Tape

Ferrite Cores & Accessories Clamp RM4lp without ground terminal

B65804P2204X000
EPCOS / TDK
1: $0.32
8,340In Stock
9,000Expected 10/4/2026

Mfr. Part No.
B65804P2204X000

Mouser Part No
871-B65804P2204X000

EPCOS / TDK

Ferrite Cores & Accessories Clamp RM4lp without ground terminal

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Datasheet

8,340In Stock

9,000Expected 10/4/2026

$0.32

$0.228

$0.199

$0.178

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Hardware & Accessories

Ungapped

Bulk

Ferrite Cores & Accessories RM5 K1 40 +3%-3% Sold as set

B65805N0040A001
EPCOS / TDK
1: $8.47
130In Stock
3,000Expected 19/5/2026

Mfr. Part No.
B65805N0040A001

Mouser Part No
871-B65805N0040A001

EPCOS / TDK

Ferrite Cores & Accessories RM5 K1 40 +3%-3% Sold as set

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Datasheet

130In Stock

3,000Expected 19/5/2026

$8.47

$5.88

$4.82

$4.31

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Blister Pack

Ferrite Cores & Accessories CLM-RM5 2 PCS REQUIRED

B65806J2204X000
EPCOS / TDK
1: $0.32
9,029In Stock

Mfr. Part No.
B65806J2204X000

Mouser Part No
871-B65806J2204X000

EPCOS / TDK

Ferrite Cores & Accessories CLM-RM5 2 PCS REQUIRED

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Datasheet

9,029In Stock

$0.32

$0.228

$0.197

$0.178

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Hardware & Accessories

Ungapped

Bulk

Ferrite Cores & Accessories RM6-N48 '+30%-20% Sold as set

B65807C0000R048
EPCOS / TDK
1: $4.16
883In Stock

Mfr. Part No.
B65807C0000R048

Mouser Part No
871-B65807C0000R048

EPCOS / TDK

Ferrite Cores & Accessories RM6-N48 '+30%-20% Sold as set

Learn More

Datasheet

883In Stock

$4.16

$2.86

$2.43

$2.14

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Blister Pack

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

B65807C0160A048
EPCOS / TDK
1: $4.04
778In Stock

Mfr. Part No.
B65807C0160A048

Mouser Part No
871-B65807C0160A048

EPCOS / TDK

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

Learn More

Datasheet

778In Stock

$4.04

$2.79

$2.38

$2.09

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Blister Pack

Ferrite Cores & Accessories RM6/I-N41 '+30%-20% Sold as set

B65807J0000R041
EPCOS / TDK
1: $3.89
873In Stock
1,000Expected 24/3/2026

Mfr. Part No.
B65807J0000R041

Mouser Part No
871-B65807J0000R041

EPCOS / TDK

Ferrite Cores & Accessories RM6/I-N41 '+30%-20% Sold as set

Learn More

Datasheet

873In Stock

1,000Expected 24/3/2026

$3.89

$2.70

$2.29

$2.02

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Blister Pack

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

B65807J0160A048
EPCOS / TDK
1: $4.46
848In Stock

Mfr. Part No.
B65807J0160A048

Mouser Part No
871-B65807J0160A048

EPCOS / TDK

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

Learn More

Datasheet

848In Stock

$4.46

$3.07

$2.61

$2.31

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Blister Pack

Ferrite Cores & Accessories RM6 N48 250 +3% -3% Sold as set

B65807J0250A048
EPCOS / TDK
1: $4.18
370In Stock
2,000Expected 6/4/2026

Mfr. Part No.
B65807J0250A048

Mouser Part No
871-B65807J0250A048

EPCOS / TDK

Ferrite Cores & Accessories RM6 N48 250 +3% -3% Sold as set

Learn More

Datasheet

370In Stock

2,000Expected 6/4/2026

$4.18

$2.88

$2.45

$2.15

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Blister Pack

Ferrite Cores & Accessories RM6 N48 250 +3%-3% Sold as set

B65807N0250A048
EPCOS / TDK
1: $5.25
229In Stock
2,000Expected 21/4/2026

Mfr. Part No.
B65807N0250A048

Mouser Part No
871-B65807N0250A048

EPCOS / TDK

Ferrite Cores & Accessories RM6 N48 250 +3%-3% Sold as set

Learn More

Datasheet

229In Stock

2,000Expected 21/4/2026

$5.25

$3.60

$3.06

$2.68

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Blister Pack

Ferrite Cores & Accessories RM6 N48 315 +3%-3% Sold as set

B65807N0315A048
EPCOS / TDK
1: $5.21
861In Stock

Mfr. Part No.
B65807N0315A048

Mouser Part No
871-B65807N0315A048

EPCOS / TDK

Ferrite Cores & Accessories RM6 N48 315 +3%-3% Sold as set

Learn More

Datasheet

861In Stock

$5.21

$3.57

$3.04

$2.67

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Blister Pack

Ferrite Cores & Accessories CLM-RM6 2 PCS REQUIRED

B65808J2204X000
EPCOS / TDK
1: $0.389
5,810In Stock
10,000Expected 16/4/2026

Mfr. Part No.
B65808J2204X000

Mouser Part No
871-B65808J2204X000

EPCOS / TDK

Ferrite Cores & Accessories CLM-RM6 2 PCS REQUIRED

Learn More

Datasheet

5,810In Stock

10,000Expected 16/4/2026

$0.389

$0.261

$0.227

$0.203

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Hardware & Accessories

Ungapped

Bulk

Ferrite Cores & Accessories RM8-N48 Sold as set

B65811D0000R048
EPCOS / TDK
1: $6.77
465In Stock

Mfr. Part No.
B65811D0000R048

Mouser Part No
871-B65811D0000R048

EPCOS / TDK

Ferrite Cores & Accessories RM8-N48 Sold as set

Learn More

Datasheet

465In Stock

$6.77

$4.61

$3.91

$3.42

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Blister Pack

Ferrite Cores & Accessories RM8/I-N30 Sold as set

B65811J0000R030
EPCOS / TDK
1: $4.81
807In Stock

Mfr. Part No.
B65811J0000R030

Mouser Part No
871-B65811J0000R030

EPCOS / TDK

Ferrite Cores & Accessories RM8/I-N30 Sold as set

Learn More

Datasheet

807In Stock

$4.81

$3.29

$2.81

$2.46

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Blister Pack

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

B65811J0000R097
EPCOS / TDK
1: $5.55
700In Stock

Mfr. Part No.
B65811J0000R097

Mouser Part No
871-B65811J0000R097

EPCOS / TDK

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

Learn More

Datasheet

700In Stock

$5.55

$3.81

$3.22

$2.82

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Blister Pack

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

B65811J0000R608
EPCOS / TDK
1: $5.88
488In Stock

Mfr. Part No.
B65811J0000R608

Mouser Part No
871-B65811J0000R608

EPCOS / TDK

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

Learn More

Datasheet

488In Stock

$5.88

$4.03

$3.41

$2.99

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Blister Pack

Ferrite Cores & Accessories RM8 N41 160 +3%-3% Sold as set

B65811J0160A041
EPCOS / TDK
1: $5.31
768In Stock

Mfr. Part No.
B65811J0160A041

Mouser Part No
871-B65811J0160A041

EPCOS / TDK

Ferrite Cores & Accessories RM8 N41 160 +3%-3% Sold as set

Learn More

Datasheet

768In Stock

$5.31

$3.64

$3.10

$2.71

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Blister Pack

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

B65811J0160A087
EPCOS / TDK
1: $4.64
545In Stock

Mfr. Part No.
B65811J0160A087

Mouser Part No
871-B65811J0160A087

EPCOS / TDK

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

Learn More

Datasheet

545In Stock

$4.64

$3.20

$2.71

$2.38

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Blister Pack

Ferrite Cores & Accessories RM8 N48 250 +3%-3% Sold as set

B65811J0250A048
EPCOS / TDK
1: $7.14
59In Stock

Mfr. Part No.
B65811J0250A048

Mouser Part No
871-B65811J0250A048

EPCOS / TDK

Ferrite Cores & Accessories RM8 N48 250 +3%-3% Sold as set

Learn More

Datasheet

59In Stock

$7.14

$4.87

$4.11

$4.07

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Blister Pack

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

B65811J0250A087
EPCOS / TDK
1: $3.60
220In Stock
800Expected 17/4/2026

Mfr. Part No.
B65811J0250A087

Mouser Part No
871-B65811J0250A087

EPCOS / TDK

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

Learn More

Datasheet

220In Stock

800Expected 17/4/2026

$3.60

$2.49

$2.13

$1.86

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Blister Pack

Ferrite Cores & Accessories RM8/I-N87

B65811JR87
EPCOS / TDK
1: $3.46
151In Stock
4,000On Order

Mfr. Part No.
B65811JR87

Mouser Part No
871-B65811JR87

EPCOS / TDK

Ferrite Cores & Accessories RM8/I-N87

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Datasheet

151In Stock

4,000On Order

$3.46

$2.39

$2.04

$1.79

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Blister Pack

Ferrite Cores & Accessories CLI/P-RM8

B65812P2203X000
EPCOS / TDK
1: $0.806
2,232In Stock

Mfr. Part No.
B65812P2203X000

Mouser Part No
871-B65812P2203X000

EPCOS / TDK

Ferrite Cores & Accessories CLI/P-RM8

Learn More

Datasheet

2,232In Stock

$0.806

$0.562

$0.485

$0.432

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Hardware & Accessories

Ungapped

Bulk

Ferrite Cores & Accessories RM10/I-N41 '+30%-20% Sold as set

B65813J0000R041
EPCOS / TDK
1: $6.48
503In Stock

Mfr. Part No.
B65813J0000R041

Mouser Part No
871-B65813J0000R041

EPCOS / TDK

Ferrite Cores & Accessories RM10/I-N41 '+30%-20% Sold as set

Learn More

Datasheet

503In Stock

$6.48

$4.42

$3.74

$3.27

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Blister Pack

Ferrite Cores & Accessories RM10/I-N97 '+30%-20% Sold as set

B65813J0000R097
EPCOS / TDK
1: $6.99
265In Stock

Mfr. Part No.
B65813J0000R097

Mouser Part No
871-B65813J0000R097

EPCOS / TDK

Ferrite Cores & Accessories RM10/I-N97 '+30%-20% Sold as set

Learn More

Datasheet

265In Stock

$6.99

$4.77

$4.03

$3.53

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Blister Pack

Ferrite Cores & Accessories RM 10 N87 250 '+3%-3% Sold as set

B65813J0250A087
EPCOS / TDK
1: $5.94
202In Stock

Mfr. Part No.
B65813J0250A087

Mouser Part No
871-B65813J0250A087

EPCOS / TDK

Ferrite Cores & Accessories RM 10 N87 250 '+3%-3% Sold as set

Learn More

Datasheet

202In Stock

$5.94

$4.06

$3.43

$3.02

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Blister Pack

Ferrite Cores & Accessories

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