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

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.
More...

Please view our selection of ferrite cores below.

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

Results: 3,245

Applied Filters:

Manufacturer

Series

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 PQ32/20 N97 Sold as set

B65879A0000R097
TDK
1: $10.55
235Expected 16/11/2026

Mfr. Part No.
B65879A0000R097

Mouser Part No
871-B65879A0000R097

TDK

Ferrite Cores & Accessories PQ32/20 N97 Sold as set

Learn More

Datasheet

235Expected 16/11/2026

$10.55

$7.24

$6.26

$5.44

View

Min.: 1
Mult.: 1

PQ32/20

Ferrite Cores

Ungapped

PQ Core

PQ 32 x 20

6.5 uH

- 20 %, + 30 %

N97

Bulk

Ferrite Cores & Accessories PQ32/30 N49 Sold as set

B65879B0000R049
TDK
1: $11.85
288In Stock

Mfr. Part No.
B65879B0000R049

Mouser Part No
871-B65879B0000R049

TDK

Ferrite Cores & Accessories PQ32/30 N49 Sold as set

Learn More

Datasheet

288In Stock

$11.85

$8.08

$6.64

$5.39

View

Min.: 1
Mult.: 1

PQ32/30

Ferrite Cores

Ungapped

PQ Core

32 x 30

3.45 uH

- 20 %, + 30 %

N49

Bulk

Ferrite Cores & Accessories PQ32/30 N95 Sold as set

B65879B0000R095
TDK
1: $13.03
81In Stock
225Expected 12/1/2027

Mfr. Part No.
B65879B0000R095

Mouser Part No
871-B65879B0000R095

TDK

Ferrite Cores & Accessories PQ32/30 N95 Sold as set

Learn More

Datasheet

81In Stock

225Expected 12/1/2027

$13.03

$8.98

$7.33

$5.96

View

Min.: 1
Mult.: 1

PQ32/30

Ferrite Cores

Ungapped

PQ Core

32 x 30

6.1 uH

- 20 %, + 30 %

N95

Bulk

Ferrite Cores & Accessories PQ32/30 N97 Sold as set

B65879B0000R097
TDK
1: $10.55
195In Stock
225Expected 25/9/2026

Mfr. Part No.
B65879B0000R097

Mouser Part No
871-B65879B0000R097

TDK

Ferrite Cores & Accessories PQ32/30 N97 Sold as set

Learn More

Datasheet

195In Stock

225Expected 25/9/2026

$10.55

$7.24

$5.93

$4.90

View

Min.: 1
Mult.: 1

PQ32/30

Ferrite Cores

Ungapped

PQ Core

PQ 32 x 30

5 uH

- 20 %, + 30 %

N97

Bulk

Ferrite Cores & Accessories PQ32/30-N95-DG150 FERRITE CORE SET Sold as set

B65879Q0150K095
TDK
1: $13.87
85In Stock

Mfr. Part No.
B65879Q0150K095

Mouser Part No
871-B65879Q0150K095

TDK

Ferrite Cores & Accessories PQ32/30-N95-DG150 FERRITE CORE SET Sold as set

Learn More

Datasheet

85In Stock

$13.87

$9.49

$7.79

$6.28

View

Min.: 1
Mult.: 1

PQ32/30

Ferrite Cores

Distributed Gap

PQ Core

PQ 32 x 30

150 nH

N95

Tray

Ferrite Cores & Accessories PQ32/30-N97-DG150 150 Sold as set

B65879Q0150K097
TDK
1: $8.94
51In Stock
225Expected 18/1/2027

Mfr. Part No.
B65879Q0150K097

Mouser Part No
871-B65879Q0150K097

TDK

Ferrite Cores & Accessories PQ32/30-N97-DG150 150 Sold as set

Learn More

Datasheet

51In Stock

225Expected 18/1/2027

$8.94

$6.05

$5.10

$4.94

View

Min.: 1
Mult.: 1

PQ32/30

Ferrite Cores

Gapped

PQ Core

32 mm x 22 mm

150 nH

N95

Tray

Ferrite Cores & Accessories COIL FORMER PQ32/30

B65880E2012D001
TDK
1: $2.41
1,264In Stock

Mfr. Part No.
B65880E2012D001

Mouser Part No
871-B65880E2012D1

TDK

Ferrite Cores & Accessories COIL FORMER PQ32/30

Learn More

Datasheet

1,264In Stock

$2.41

$2.19

$1.96

$1.73

View

Min.: 1
Mult.: 1

B65880E

Hardware & Accessories

Ungapped

PQ Core

32 x 30

12 Pin

Tray

Ferrite Cores & Accessories PQ35/35 N87 Sold as set

B65881A0000R087
TDK
1: $18.25
56In Stock

Mfr. Part No.
B65881A0000R087

Mouser Part No
871-B65881A0000R087

TDK

Ferrite Cores & Accessories PQ35/35 N87 Sold as set

Learn More

Datasheet

56In Stock

$18.25

$12.76

$10.40

$8.84

View

Min.: 1
Mult.: 1

PQ35/35

Ferrite Cores

Ungapped

PQ Core

PQ 35 x 35

4.5 uH

- 20 %, + 30 %

N87

Bulk

Ferrite Cores & Accessories PQ35/35-N97-DG100 Sold as set

B65881Q0100K097
TDK
1: $19.83
9In Stock
288Expected 3/12/2026

Mfr. Part No.
B65881Q0100K097

Mouser Part No
871-B65881Q0100K097

TDK

Ferrite Cores & Accessories PQ35/35-N97-DG100 Sold as set

Learn More

Datasheet

9In Stock

288Expected 3/12/2026

$19.83

$13.80

$11.26

$9.81

View

Min.: 1
Mult.: 1

PQ35/35

Ferrite Cores

Distributed Gap

PQ Core

PQ 35 x 35

100 nH

N95

Tray

Ferrite Cores & Accessories PQ35/35-N97-DG150 Sold as set

B65881Q0150K097
TDK
1: $19.41
121In Stock

Mfr. Part No.
B65881Q0150K097

Mouser Part No
871-B65881Q0150K097

TDK

Ferrite Cores & Accessories PQ35/35-N97-DG150 Sold as set

Learn More

Datasheet

121In Stock

$19.41

$13.55

$11.10

$9.53

$9.52

Min.: 1
Mult.: 1

PQ35/35

Ferrite Cores

Distributed Gap

PQ Core

PQ 35 x 35

150 nH

N95

Tray

Ferrite Cores & Accessories PQ40/40 N49 ungapped Sold as set

B65883A0000R049
TDK
1: $18.09
100In Stock
135Expected 21/12/2026

Mfr. Part No.
B65883A0000R049

Mouser Part No
871-B65883AR49

TDK

Ferrite Cores & Accessories PQ40/40 N49 ungapped Sold as set

Learn More

Datasheet

100In Stock

135Expected 21/12/2026

Cut Tape

$18.09

$12.31

$9.04

Reel

$9.04

$8.47

Min.: 1
Mult.: 1

: 45

PQ40/40

Ferrite Cores

Ungapped

PQ Core

40 x 40

3.2 uH

- 20 %, + 30 %

N49

Reel, Cut Tape

Ferrite Cores & Accessories PQ40/40 N97 4500 +30% -20% Sold as set

B65883A0000R097
TDK
1: $18.58
167In Stock

Mfr. Part No.
B65883A0000R097

Mouser Part No
871-B65883AR97

TDK

Ferrite Cores & Accessories PQ40/40 N97 4500 +30% -20% Sold as set

Learn More

Datasheet

167In Stock

$18.58

$13.02

$10.15

Reel

$10.15

$9.66

View

Min.: 1
Mult.: 1

: 45

PQ40/40

Ferrite Cores

Ungapped

PQ Core

40 x 40

4.5 uH

- 20 %, + 30 %

N97

Ammo Pack

Ferrite Cores & Accessories Coil Former, Core Shape: PQ_40_40

B65884E0012D001
TDK
1: $4.35
180In Stock
1,584On Order

Mfr. Part No.
B65884E0012D001

Mouser Part No
871-B65884E0012D001

TDK

Ferrite Cores & Accessories Coil Former, Core Shape: PQ_40_40

Learn More

Datasheet

180In Stock

1,584On Order

$4.35

$3.81

$3.66

$3.48

View

Min.: 1
Mult.: 1

PQ40/40

Hardware & Accessories

Ungapped

PQ Core

PQ 40 x 40

Coil Former

12 Pin

PMC Thermosetting Plastic

Tray

Ferrite Cores & Accessories RM14 N87 160 +3%-3% Sold as set

B65887E0160A087
TDK
1: $18.05
170In Stock

Mfr. Part No.
B65887E0160A087

Mouser Part No
871-B65887E0160A087

TDK

Ferrite Cores & Accessories RM14 N87 160 +3%-3% Sold as set

Learn More

Datasheet

Product Comments

170In Stock

$18.05

$12.46

$10.28

$8.61

$8.60

Min.: 1
Mult.: 1

RM14

Ferrite Cores

Gapped

RM Core

RM 14

160 nH

3 %

N87

Bulk

Ferrite Cores & Accessories RM14 N41 250 +3%-3% Sold as set

B65887E0250A041
TDK
1: $21.20
21In Stock
360On Order

Mfr. Part No.
B65887E0250A041

Mouser Part No
871-B65887E0250A041

TDK

Ferrite Cores & Accessories RM14 N41 250 +3%-3% Sold as set

Learn More

Datasheet

Product Comments

21In Stock

360On Order

$21.20

$14.97

$12.21

$10.72

$10.09

Min.: 1
Mult.: 1

RM14

Ferrite Cores

Gapped

RM Core

RM 14

250 nH

3 %

N41

Bulk

Ferrite Cores & Accessories RM14 N87 250 +3%-3% Sold as set

B65887E0250A087
TDK
1: $18.01
173In Stock

Mfr. Part No.
B65887E0250A087

Mouser Part No
871-B65887E0250A087

TDK

Ferrite Cores & Accessories RM14 N87 250 +3%-3% Sold as set

Learn More

Datasheet

Product Comments

173In Stock

$18.01

$12.27

$10.23

$8.46

$8.45

Min.: 1
Mult.: 1

RM14

Ferrite Cores

Gapped

RM Core

RM 14

250 nH

3 %

N87

Bulk

Ferrite Cores & Accessories RM 14 N41 400 +3%- 3% Sold as set

B65887E0400A041
TDK
1: $21.53
11In Stock
240Expected 23/11/2026

Mfr. Part No.
B65887E0400A041

Mouser Part No
871-B65887E400A41

TDK

Ferrite Cores & Accessories RM 14 N41 400 +3%- 3% Sold as set

Learn More

Datasheet

Product Comments

11In Stock

240Expected 23/11/2026

$21.53

$14.97

$12.21

$10.72

View

Min.: 1
Mult.: 1

RM14

Ferrite Cores

Gapped

RM Core

RM 14

400 nH

3 %

N41

Bulk

Ferrite Cores & Accessories PS9/3.5 M33 ungapped

B65935E0000X033
TDK
1: $2.56
2,735In Stock

Mfr. Part No.
B65935E0000X033

Mouser Part No
871-B65935E0000X033

TDK

Ferrite Cores & Accessories PS9/3.5 M33 ungapped

Learn More

Datasheet

2,735In Stock

$2.56

$1.77

$1.51

$1.33

View

Min.: 1
Mult.: 1

PS9.4/3.5

Ferrite Cores

Ungapped

PS Core

9 x 3.5

M33

Bulk

Ferrite Cores & Accessories COIL FORMER VALOX420

B65940B0000T001
TDK
1: $1.01
1,122In Stock

Mfr. Part No.
B65940B0000T001

Mouser Part No
871-B65940B0000T001

TDK

Ferrite Cores & Accessories COIL FORMER VALOX420

Learn More

Datasheet

1,122In Stock

$1.01

$0.778

$0.714

$0.694

View

Min.: 1
Mult.: 1

PS25/8.9

Hardware & Accessories

Ungapped

PS Core

PS 25 x 8.9

Coil Former without Solder Pins

GFR Polyterephthalate

Bulk

Ferrite Cores & Accessories COIL FORMER VALOX 20

B65946B0000T001
TDK
1: $3.33
678In Stock
400Expected 5/10/2026

Mfr. Part No.
B65946B0000T001

Mouser Part No
871-B65946B0000T001

TDK

Ferrite Cores & Accessories COIL FORMER VALOX 20

Learn More

Datasheet

678In Stock

400Expected 5/10/2026

$3.33

$3.03

$2.79

$2.43

View

Min.: 1
Mult.: 1

PCH70/13

Hardware & Accessories

Ungapped

PS Core

P 68 x 14.5

Coil Former without Solder Pins

GFR Polyterephthalate

Bulk

Ferrite Cores & Accessories PQ50/50 N87 Sold as set

B65981A0000R087
TDK
1: $24.64
56In Stock
108Expected 15/9/2026

Mfr. Part No.
B65981A0000R087

Mouser Part No
871-B65981A0000R087

TDK

Ferrite Cores & Accessories PQ50/50 N87 Sold as set

Learn More

Datasheet

56In Stock

108Expected 15/9/2026

$24.64

$16.69

$12.74

Reel

$12.74

$12.29

Min.: 1
Mult.: 1

: 36

PQ50/50- Large Size

Ferrite Cores

Ungapped

PQ Core

50 x 50

6.5 uH

- 20 %, + 30 %

N87

Ammo Pack

Ferrite Cores & Accessories PQ50/40 N87 ungapped Sold as set

B65981B0000R087
TDK
1: $22.21
20In Stock
100Expected 12/2/2027

Mfr. Part No.
B65981B0000R087

Mouser Part No
871-B65981B0000R087

TDK

Ferrite Cores & Accessories PQ50/40 N87 ungapped Sold as set

Learn More

Datasheet

20In Stock

100Expected 12/2/2027

$22.21

$13.02

Reel

$13.02

$11.19

$10.74

Min.: 1
Mult.: 1

: 20

PQ50/40

Ferrite Cores

Ungapped

PQ Core

50 mm x 32 mm

7.6 uH

- 20 %, + 30 %

N87

Ammo Pack

Ferrite Cores & Accessories PQ50/50-N95-DG100 FERRITE CORE SET Sold as set

B65981Q0100K095
TDK
1: $32.57
66In Stock
144On Order

Mfr. Part No.
B65981Q0100K095

Mouser Part No
871-B65981Q0100K095

TDK

Ferrite Cores & Accessories PQ50/50-N95-DG100 FERRITE CORE SET Sold as set

Learn More

Datasheet

66In Stock

144On Order

$32.57

$22.64

$17.90

Min.: 1
Mult.: 1

PQ50/50

Ferrite Cores

Distributed Gap

PQ Core

PQ 50 x 50

100 nH

N95

Tray

Ferrite Cores & Accessories PQ50/50-N95-DG250 FERRITE CORE SET Sold as set

B65981Q0250K095
TDK
1: $32.95
69In Stock

Mfr. Part No.
B65981Q0250K095

Mouser Part No
871-B65981Q0250K095

TDK

Ferrite Cores & Accessories PQ50/50-N95-DG250 FERRITE CORE SET Sold as set

Learn More

Datasheet

69In Stock

$32.95

$22.64

$17.90

Min.: 1
Mult.: 1

PQ50/50

Ferrite Cores

Distributed Gap

PQ Core

PQ 50 x 50

250 nH

N95

Tray

Ferrite Cores & Accessories PQ50/50-N97-DG250 Sold as set

B65981Q0250K097
TDK
1: $32.80
10In Stock
72Expected 21/12/2026

Mfr. Part No.
B65981Q0250K097

Mouser Part No
871-B65981Q0250K097

TDK

Ferrite Cores & Accessories PQ50/50-N97-DG250 Sold as set

Learn More

Datasheet

10In Stock

72Expected 21/12/2026

$32.80

$21.99

$17.45

$17.44

$16.46

Min.: 1
Mult.: 1

PQ50/50

Ferrite Cores

Distributed Gap

PQ Core

PQ 50 x 50

250 nH

N97

Tray

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