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Ferrite Cores & Accessories

Ferrite Cores are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many ferrite core manufacturers including Fair-Rite, Proterial, TDK, & more.
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Please view our selection of ferrite cores below.

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Results: 3,245

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Part #

Ferrite Cores & Accessories ETD39/20 13-N27-G1000

B66363G1000X127
TDK
1: $3.71
974In Stock

Mfr. Part No.
B66363G1000X127

Mouser Part No
871-B66363G1000X127

TDK

Ferrite Cores & Accessories ETD39/20 13-N27-G1000

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Datasheet

974In Stock

$3.71

$2.54

$2.16

$1.89

View

Min.: 1
Mult.: 1

ETD39/20/13

Ferrite Cores

Gapped

ETD Core

39 x 20 x 13

196 nH

N27

Bulk

Ferrite Cores & Accessories RM5 N48 125 +2% -2% Sold as set

B65805N0125G048
TDK
1: $4.49
1,490In Stock

Mfr. Part No.
B65805N0125G048

Mouser Part No
871-B65805N0125G048

TDK

Ferrite Cores & Accessories RM5 N48 125 +2% -2% Sold as set

Learn More

Datasheet

1,490In Stock

$4.49

$3.08

$2.62

$2.36

View

Min.: 1
Mult.: 1

RM5

Ferrite Cores

Gapped

RM Core

RM 5

125 nH

2 %

N48

Blister Pack

Ferrite Cores & Accessories PQ 40/40 N87 4300 Tol +30-20% Sold as set

B65883A0000R087
TDK
1: $11.77
269In Stock
270Expected 29/10/2026

Mfr. Part No.
B65883A0000R087

Mouser Part No
871-B65883A0000R087

TDK

Ferrite Cores & Accessories PQ 40/40 N87 4300 Tol +30-20% Sold as set

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Datasheet

269In Stock

270Expected 29/10/2026

$11.77

$7.88

$6.28

Reel

$6.28

$5.96

View

Min.: 1
Mult.: 1

: 45

PQ40/40

Ferrite Cores

Ungapped

PQ Core

40 x 40

4.3 uH

- 20 %, + 30 %

N87

Ammo Pack

Ferrite Cores & Accessories YOKE EF25

B66208A2001X000
TDK
1: $3.42
1,026In Stock

Mfr. Part No.
B66208A2001X000

Mouser Part No
871-B66208A2001X000

TDK

Ferrite Cores & Accessories YOKE EF25

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Datasheet

1,026In Stock

$3.42

$2.35

$1.99

$1.75

View

Min.: 1
Mult.: 1

E25/13/7

Hardware & Accessories

Ungapped

E Core

25 x 13 x 7 (EF 25)

Bulk

Ferrite Cores & Accessories 7000n 25% Mn-Zn PC95 Ferrite Core

PC95PQ32/30Z-12
TDK
1: $10.38
518In Stock

Mfr. Part No.
PC95PQ32/30Z-12

Mouser Part No
810-PC95PQ32/30Z-12

TDK

Ferrite Cores & Accessories 7000n 25% Mn-Zn PC95 Ferrite Core

Learn More

Datasheet

518In Stock

$10.38

$7.17

$5.83

$5.26

View

Min.: 1
Mult.: 1

Ferrite Bead Cores

Ferrite Core for Switching Power Supplies

Tray

Ferrite Cores & Accessories R87/54.3/13.5 T37 toroid

B64290L0730X037
TDK
1: $48.49
64In Stock

Mfr. Part No.
B64290L0730X037

Mouser Part No
871-B64290L0730X037

TDK

Ferrite Cores & Accessories R87/54.3/13.5 T37 toroid

Learn More

Datasheet

64In Stock

$48.49

$39.47

$35.46

Min.: 1
Mult.: 1

TX87/54.3/13.5

Toroids

Ungapped

7 uH

T37

Bulk

Ferrite Cores & Accessories 260 nH 0.25 32 x 6 x 20 ELP Core Gapped N87

B66287G260X187
TDK
1: $3.80
2,203In Stock

Mfr. Part No.
B66287G260X187

Mouser Part No
871-B66287G260X187

TDK

Ferrite Cores & Accessories 260 nH 0.25 32 x 6 x 20 ELP Core Gapped N87

Learn More

Datasheet

2,203In Stock

$3.80

$2.61

$2.21

$1.94

View

Min.: 1
Mult.: 1

B66287G

Ferrite Cores

Gapped

ELP Core

32 x 6 x 20

260 nH

25 %

N87

Bulk

Ferrite Cores & Accessories 21uH@100kHz Nano CMC SQ Core w/bkt

FT-3KM S11080HB
Proterial
1: $363.81
12In Stock

Mfr. Part No.
FT-3KM S11080HB

Mouser Part No
205-FT-3KMS11080HB

Proterial

Ferrite Cores & Accessories 21uH@100kHz Nano CMC SQ Core w/bkt

Datasheet

12In Stock

$363.81

$334.87

Min.: 1
Mult.: 1

FT-3KM S

Ferrite Cores

Nanocrystalline Core

21.35 uH

Finemet

Ferrite Cores & Accessories 11950n 25% MnZn PC95 Ferrite Core

PC95PQI26/12Z-12
TDK
1: $4.59
960In Stock

Mfr. Part No.
PC95PQI26/12Z-12

Mouser Part No
810-PC95PQI26/12Z-12

TDK

Ferrite Cores & Accessories 11950n 25% MnZn PC95 Ferrite Core

Learn More

Datasheet

960In Stock

$4.59

$3.14

$2.81

$2.80

$2.25

Min.: 1
Mult.: 1

Planar

Ferrite Bead Cores

Tray

Ferrite Cores & Accessories 95 PlanarEI Core Set Ind 22200 nH 25% TO

7895400721
Fair-Rite
1: $18.81
202In Stock

Mfr. Part No.
7895400721

Mouser Part No
623-7895400721

Fair-Rite

Ferrite Cores & Accessories 95 PlanarEI Core Set Ind 22200 nH 25% TO

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Product Comments

202In Stock

$18.81

$12.44

$11.11

$9.20

Min.: 1
Mult.: 1

Ferrite Cores

Ungapped

EI Core

64 x 51 x 10.35

22.2 uH

25 %

Bulk

Ferrite Cores & Accessories 6520 Nom. Mn-Zn PC95 Ferrite Core

PC95PQ26/25Z-12
TDK
1: $7.66
732In Stock

Mfr. Part No.
PC95PQ26/25Z-12

Mouser Part No
810-PC95PQ26/25Z-12

TDK

Ferrite Cores & Accessories 6520 Nom. Mn-Zn PC95 Ferrite Core

Learn More

Datasheet

732In Stock

$7.66

$5.18

$4.31

$3.95

View

Min.: 1
Mult.: 1

Ferrite Bead Cores

Ferrite Core for Switching Power Supplies

Tray

Ferrite Cores & Accessories R25.3/14.8/15 T38 toroid

B64290L0615X038
TDK
1: $3.43
796In Stock

Mfr. Part No.
B64290L0615X038

Mouser Part No
871-B64290L615X38

TDK

Ferrite Cores & Accessories R25.3/14.8/15 T38 toroid

Learn More

Datasheet

796In Stock

$3.43

$2.36

$2.00

$1.76

$1.60

Reel

$1.59

Min.: 1
Mult.: 1

: 300

TX25.3/14.8/15

Ungapped

T38

Ammo Pack

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

B65805N0040A001
TDK
1: $5.93
3,089In Stock

Mfr. Part No.
B65805N0040A001

Mouser Part No
871-B65805N0040A001

TDK

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

Learn More

Datasheet

3,089In Stock

$5.93

$4.03

$3.39

$3.03

View

Min.: 1
Mult.: 1

RM5

Ferrite Cores

Gapped

RM Core

RM 5

40 nH

3 %

Blister Pack

Ferrite Cores & Accessories RM6 N87 Sold as set

B65807J0160A087
TDK
1: $3.33
934In Stock

Mfr. Part No.
B65807J0160A087

Mouser Part No
871-B65807J0160A087

TDK

Ferrite Cores & Accessories RM6 N87 Sold as set

Learn More

Datasheet

934In Stock

$3.33

$2.28

$1.94

$1.70

View

Min.: 1
Mult.: 1

RM6

Ferrite Cores

Gapped

RM Core

RM 6

160 nH

3 %

N87

Blister Pack

Ferrite Cores & Accessories RM6 K1 40 +3%-3% Sold as set

B65807N0040A001
TDK
1: $9.52
2,758In Stock

Mfr. Part No.
B65807N0040A001

Mouser Part No
871-B65807N0040A001

TDK

Ferrite Cores & Accessories RM6 K1 40 +3%-3% Sold as set

Learn More

Datasheet

2,758In Stock

$9.52

$6.76

$5.35

$5.03

View

Min.: 1
Mult.: 1

RM6

Ferrite Cores

Gapped

RM Core

RM 6

40 nH

3 %

Blister Pack

Ferrite Cores & Accessories WAS-RM6-2 MAKROFOL KL3

B65808C2005X000
TDK
1: $0.33
10,231In Stock

Mfr. Part No.
B65808C2005X000

Mouser Part No
871-B65808C2005X

TDK

Ferrite Cores & Accessories WAS-RM6-2 MAKROFOL KL3

Learn More

Datasheet

10,231In Stock

$0.33

$0.305

$0.294

$0.285

View

Min.: 1
Mult.: 1

RM6

Hardware & Accessories

Ungapped

RM Core

RM 6

Bulk

Ferrite Cores & Accessories EP7-N87 Sold as set

B65839A0000R087
TDK
1: $1.28
4,292In Stock

Mfr. Part No.
B65839A0000R087

Mouser Part No
871-B65839A0000R087

TDK

Ferrite Cores & Accessories EP7-N87 Sold as set

Learn More

Datasheet

4,292In Stock

$1.28

$0.889

$0.763

$0.676

View

Min.: 1
Mult.: 1

EP7

Ferrite Cores

Ungapped

EP Core

EP 7

1.1 uH

- 20 %, + 30 %

N87

Bulk

Ferrite Cores & Accessories EP20-N87 '+30%-20% Sold as set

B65847A0000R087
TDK
1: $5.88
1,178In Stock

Mfr. Part No.
B65847A0000R087

Mouser Part No
871-B65847A0000R087

TDK

Ferrite Cores & Accessories EP20-N87 '+30%-20% Sold as set

Learn More

Datasheet

1,178In Stock

$5.88

$4.00

$3.36

$3.01

View

Min.: 1
Mult.: 1

EP20

Ferrite Cores

Ungapped

EP Core

EP 20

4 uH

- 20 %, + 30 %

N87

Bulk

Ferrite Cores & Accessories PQ26/25 N97 Sold as set

B65877A0000R097
TDK
1: $7.05
962In Stock

Mfr. Part No.
B65877A0000R097

Mouser Part No
871-B65877A0000R097

TDK

Ferrite Cores & Accessories PQ26/25 N97 Sold as set

Learn More

Datasheet

962In Stock

$7.05

$4.77

$4.01

$3.69

$3.24

Min.: 1
Mult.: 1

PQ26/25

Ferrite Cores

Ungapped

PQ Core

26 x 25

4.65 uH

- 20 %, + 30 %

N97

Bulk

Ferrite Cores & Accessories E16/8/5 N27LP=0.06MM

B66307G0060X127
TDK
1: $0.82
7,322In Stock

Mfr. Part No.
B66307G0060X127

Mouser Part No
871-B66307G0060X127

TDK

Ferrite Cores & Accessories E16/8/5 N27LP=0.06MM

Learn More

Datasheet

7,322In Stock

$0.82

$0.572

$0.493

$0.438

View

Min.: 1
Mult.: 1

E16/8/5

Ferrite Cores

Gapped

E Core

16 x 8 x 5 (EF 16)

303 nH

0.25 %

N27

Bulk

Ferrite Cores & Accessories E42/21/15 N87OL

B66325GX187
TDK
1: $4.99
2,105In Stock

Mfr. Part No.
B66325GX187

Mouser Part No
871-B66325GX187

TDK

Ferrite Cores & Accessories E42/21/15 N87OL

Learn More

Datasheet

2,105In Stock

$4.99

$3.42

$2.91

$2.55

View

Min.: 1
Mult.: 1

B66325G

Ferrite Cores

Ungapped

E Core

42 x 21 x 15

3.95 uH

- 20 %, + 30 %

N87

Bulk

Ferrite Cores & Accessories EFD30/15/9 N87AL 315NH+/-10%

B66423U0315K187
TDK
1: $1.41
4,912In Stock

Mfr. Part No.
B66423U0315K187

Mouser Part No
871-B66423U0315K187

TDK

Ferrite Cores & Accessories EFD30/15/9 N87AL 315NH+/-10%

Learn More

Datasheet

4,912In Stock

$1.41

$0.97

$0.837

$0.771

View

Min.: 1
Mult.: 1

EFD30/15/9

Ferrite Cores

Gapped

EFD Core

30 x 15 x 9

315 nH

10 %

N87

Bulk

Ferrite Cores & Accessories ER18/3/10 N49 1800 +25% -25%

B66480G0000X149
TDK
1: $2.60
1,722In Stock

Mfr. Part No.
B66480G0000X149

Mouser Part No
871-B66480GX149

TDK

Ferrite Cores & Accessories ER18/3/10 N49 1800 +25% -25%

Learn More

Datasheet

1,722In Stock

$2.60

$1.80

$1.54

$1.36

View

Min.: 1
Mult.: 1

I13/9/1

Ferrite Cores

Ungapped

ER Core

18 x 3 x 10

1.8 uH

25 %

N49

Bulk

Ferrite Cores & Accessories 4720n 25% Mn-Zn PC95 Ferrite Core

PC95EI18/6/10-Z
TDK
1: $2.19
1,975In Stock

Mfr. Part No.
PC95EI18/6/10-Z

Mouser Part No
810-PC95EI18/6/10-Z

TDK

Ferrite Cores & Accessories 4720n 25% Mn-Zn PC95 Ferrite Core

Learn More

Datasheet

1,975In Stock

$2.19

$1.52

$1.30

$1.14

View

Min.: 1
Mult.: 1

Planar

Ferrite Bead Cores

Tray

Ferrite Cores & Accessories 20X10X7 T38 TOROID

B64290L0632X038
TDK
1: $1.90
11,195In Stock

Mfr. Part No.
B64290L0632X038

Mouser Part No
871-B64290L0632X038

TDK

Ferrite Cores & Accessories 20X10X7 T38 TOROID

Learn More

Datasheet

11,195In Stock

$1.90

$1.31

$1.12

$0.988

View

Reel

$0.773

Min.: 1
Mult.: 1

: 1,000

TX20/10/7

Toroids

Ungapped

9.74 uH

T38

Ammo Pack

Ferrite Cores & Accessories

Customer Service Office

Company

Resources

Support

26
30
38
40
56
59
61
62
65
66
78
89
90
92
93
94
95
96
98
35N

Accessories
Amorphous Core
Cable Single
Clamp
Coil Former
Coil Former (Bobbins)
Cut Core
Distributed Gap
Double Aperture Core
End Clip
EQ Core
Ferrite Block
Ferrite Blocks
Ferrite Core for Switching Power Supplies
Ferrite Core for Telecommunication
Gapped
I Core
Insulating Washer
Mounting Assembly
Multi-Hole Connector Plate

DE Core
DU Core
EC Core
E Core
EE Core
EER Core
EF Core
EFD Core
EI Core
ELP Core
EM Core
EP Core
EPO Core
EPX Core
EQ Core
ER Core
ER LP Core
ETD Core
EV Core
FEM Core

5.95 mm x 1.65 mm
9.5 mm x 5 mm
9.7 mm x 3.3 mm
11 mm x 6 mm
11.4 mm x 4.6 mm
12.95 mm x 4.9 mm
12.95 mm x 6.6 mm
14 mm x 5 mm
14.5 mm x 6.7 mm
14.6 mm x 6.8 mm
15 mm x 4.65 mm
17.9 mm x 8.2 mm
18 mm x 10 mm
18 mm x 9.7 mm
20 mm x 6.65 mm
21.8 mm x 15.8 mm
22.5 mm x 6.6 mm
23.2 mm x 11 mm
23.2 mm x 12.5 mm
25 mm x 18 mm

2.4 nH
4.75 nH
5.2 nH
16 nH
17 nH
17.5 nH
18 nH
20 nH
21 nH
25 nH
26 nH
32 nH
35 nH
38 nH
39 nH
40 nH
45 nH
49 nH
50 nH
55 nH

0.03 %
0.04 %
0.05 %
0.08 %
0.1 %
0.15 %
0.25 %
- 30 %, + 40 %
- 20 %, + 30 %
2 %
3 %
4 %
5 %
6 %
7 %
8 %
10 %
12 %
15 %
20 %

31
43
44
52
61
67
68
75
77
78
95
96
98
9415
ABS
E130I
E Core
Ferrite
Finemet
GFR Liquid Crystal Polymer