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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: 3,246

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Part #

Ferrite Cores & Accessories YOKE EF20

B66206A2001X000
TDK
1: $0.99
4,432In Stock

Mfr. Part No.
B66206A2001X000

Mouser Part No
871-B66206A2001X000

TDK

Ferrite Cores & Accessories YOKE EF20

Learn More

Datasheet

4,432In Stock

$0.99

$0.693

$0.596

$0.529

View

Min.: 1
Mult.: 1

E20/10/6

Hardware & Accessories

Ungapped

E Core

Yoke

Bulk

Ferrite Cores & Accessories 61 Rod 1x10MM

3061990831
Fair-Rite
1: $0.26
31,809In Stock

Mfr. Part No.
3061990831

Mouser Part No
623-3061990831

Fair-Rite

Ferrite Cores & Accessories 61 Rod 1x10MM

31,809In Stock

$0.26

$0.175

$0.152

$0.136

View

Min.: 1
Mult.: 1

Rods

Solid Rod

Bulk

Ferrite Cores & Accessories 61 Rod 9.50x25.40MM

4061378111
Fair-Rite
1: $2.35
1,552In Stock

Mfr. Part No.
4061378111

Mouser Part No
623-4061378111

Fair-Rite

Ferrite Cores & Accessories 61 Rod 9.50x25.40MM

1,552In Stock

$2.35

$1.62

$1.36

$1.22

View

Min.: 1
Mult.: 1

Rods

Solid Rod

Bulk

Ferrite Cores & Accessories 77 CORES

9077002002
Fair-Rite
1: $0.68
9,971In Stock

Mfr. Part No.
9077002002

Mouser Part No
623-9077002002

Fair-Rite

Ferrite Cores & Accessories 77 CORES

Learn More

9,971In Stock

$0.68

$0.471

$0.407

$0.364

View

Min.: 1
Mult.: 1

Ferrite Cores

Ungapped

U Core

695 nH

Bulk

Ferrite Cores & Accessories 4000n 25% Mn-Zn PC95 Ferrite Core

PC95PQ20/20Z-12
TDK
1: $7.59
1,000In Stock

Mfr. Part No.
PC95PQ20/20Z-12

Mouser Part No
810-PC95PQ20/20Z-12

TDK

Ferrite Cores & Accessories 4000n 25% Mn-Zn PC95 Ferrite Core

Learn More

Datasheet

1,000In Stock

$7.59

$5.14

$4.23

$3.88

View

Min.: 1
Mult.: 1

Ferrite Bead Cores

Ferrite Core for Switching Power Supplies

Tray

Ferrite Cores & Accessories 6400n 25% Mn-Zn PC95 Ferrite Core

PC95PQ40/40Z-12
TDK
1: $9.94
441In Stock

Mfr. Part No.
PC95PQ40/40Z-12

Mouser Part No
810-PC95PQ40/40Z-12

TDK

Ferrite Cores & Accessories 6400n 25% Mn-Zn PC95 Ferrite Core

Learn More

Datasheet

441In Stock

$9.94

$7.06

$5.59

$5.25

$4.94

Min.: 1
Mult.: 1

Ferrite Bead Cores

Ferrite Core for Switching Power Supplies

Tray

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

B65805N0125G048
TDK
1: $4.48
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

$4.48

$3.07

$2.61

$2.28

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: $10.78
272In 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

Learn More

Datasheet

272In Stock

270Expected 29/10/2026

$10.78

$7.84

$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: $3.41
1,026In Stock

Mfr. Part No.
B66208A2001X000

Mouser Part No
871-B66208A2001X000

TDK

Ferrite Cores & Accessories YOKE EF25

Learn More

Datasheet

1,026In Stock

$3.41

$2.34

$1.98

$1.74

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

$39.46

$35.47

Min.: 1
Mult.: 1

TX87/54.3/13.5

Toroids

Ungapped

7 uH

T37

Bulk

Ferrite Cores & Accessories ELP64/10/50 N95 15500 +25% -25%

B66295G0000X195
TDK
1: $21.34
120In Stock

Mfr. Part No.
B66295G0000X195

Mouser Part No
871-B66295GX195

TDK

Ferrite Cores & Accessories ELP64/10/50 N95 15500 +25% -25%

Learn More

Datasheet

120In Stock

$21.34

$14.58

$12.99

$12.34

Min.: 1
Mult.: 1

ELP64/10/50

Ferrite Cores

Ungapped

ELP Core

64 x 10 x 50

N95

Bulk

Ferrite Cores & Accessories 106x171x85 Amorphous Cut Core

AMCC1000
Proterial
1: $248.59
7In Stock
362On Order

Mfr. Part No.
AMCC1000

Mouser Part No
205-AMCC1000

Proterial

Ferrite Cores & Accessories 106x171x85 Amorphous Cut Core

Learn More

Datasheet

7In Stock

362On Order

$248.59

$228.81

Min.: 1
Mult.: 1

AMCC

Ferrite Cores

Amorphous Core

Metglas Alloy

Ferrite Cores & Accessories 50X30X20 N27 TOROID

B64290L0082X027
TDK
1: $17.55
210In Stock
120Expected 30/11/2026

Mfr. Part No.
B64290L0082X027

Mouser Part No
871-B64290L0082X027

TDK

Ferrite Cores & Accessories 50X30X20 N27 TOROID

Learn More

Datasheet

210In Stock

120Expected 30/11/2026

$17.55

$12.70

$10.20

$9.90

$9.89

Min.: 1
Mult.: 1

TX50/30/20

Toroids

Ungapped

N27

Bulk

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

B66422W1010D1
TDK
1: $2.26
5,575In Stock

Mfr. Part No.
B66422W1010D1

Mouser Part No
871-B66422W1010D1

TDK

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

Learn More

Datasheet

5,575In Stock

$2.26

$1.56

$1.33

$1.18

View

Min.: 1
Mult.: 1

B66422W

Hardware & Accessories

Ungapped

EFD Core

25 x 13 x 9

Coil Former with Solder Pins

10 Pin

Tray

Ferrite Cores & Accessories ADJUSTER POCAN B3235

B65806C3001X022
TDK
1: $1.55
2,980In Stock

Mfr. Part No.
B65806C3001X022

Mouser Part No
871-B65806C3001X022

TDK

Ferrite Cores & Accessories ADJUSTER POCAN B3235

Learn More

Datasheet

2,980In Stock

$1.55

$1.07

$0.926

$0.853

View

Min.: 1
Mult.: 1

RM5

Hardware & Accessories

Ungapped

RM Core

RM 5

Green

N22

Bulk

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

B66287G260X187
TDK
1: $3.79
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

$3.79

$2.60

$2.20

$1.93

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
971In 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

971In Stock

$4.59

$3.14

$2.81

$2.80

$2.25

Min.: 1
Mult.: 1

Planar

Ferrite Bead Cores

Tray

Ferrite Cores & Accessories 70X14.5

B65945A0000X022
TDK
1: $45.07
141In Stock
80Expected 30/11/2026

Mfr. Part No.
B65945A0000X022

Mouser Part No
871-B65945A0000X022

TDK

Ferrite Cores & Accessories 70X14.5

Learn More

Datasheet

141In Stock

80Expected 30/11/2026

$45.07

$36.68

$32.96

Min.: 1
Mult.: 1

PCH70/14.5

Ferrite Cores

Ungapped

P Core Half

P 70 x 14.5

N22

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

$0.743

Min.: 1
Mult.: 1

: 1,000

TX20/10/7

Toroids

Ungapped

9.74 uH

T38

Ammo Pack

Ferrite Cores & Accessories 22.1X13.7X7.9 N87 TOROID

B64290L0719X087
TDK
1: $2.00
4,080In Stock

Mfr. Part No.
B64290L0719X087

Mouser Part No
871-B64290L0719X087

TDK

Ferrite Cores & Accessories 22.1X13.7X7.9 N87 TOROID

Learn More

Datasheet

4,080In Stock

$2.00

$1.41

$1.20

$1.06

View

Reel

$0.796

Min.: 1
Mult.: 1

: 750

TX22/14/7.9

Toroids

Ungapped

1.66 uH

N87

Ammo Pack

Ferrite Cores & Accessories 6.3 X 3.8 X 2.5 TOROID

B64290P0037X001
TDK
1: $1.48
2,958In Stock

Mfr. Part No.
B64290P0037X001

Mouser Part No
871-B64290P0037X001

TDK

Ferrite Cores & Accessories 6.3 X 3.8 X 2.5 TOROID

Learn More

Datasheet

2,958In Stock

$1.48

$1.03

$0.883

$0.781

View

Min.: 1
Mult.: 1

TC6.3/3.8/2.5

Toroids

Ungapped

Bulk

Ferrite Cores & Accessories P 11X7 T387000 +40% -30% Sold as set

B65531W0000Y038
TDK
1: $2.87
2,719In Stock

Mfr. Part No.
B65531W0000Y038

Mouser Part No
871-B65531W0000Y038

TDK

Ferrite Cores & Accessories P 11X7 T387000 +40% -30% Sold as set

Learn More

Datasheet

2,719In Stock

$2.87

$1.99

$1.70

$1.50

View

Min.: 1
Mult.: 1

P11/7

Ferrite Cores

Ungapped

P Core

11 x 7

7 uH

- 30 %, + 40 %

T38

Bulk

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