Ferrite Cores & Accessories

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.
Results: 3 245
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 Mfr.
Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Product
Type
Core
Core Size
Inductance
Tolerance
Accessory Type
Number of Pins
Core Material
Termination Style
Packaging
TDK Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO
Datasheet
140In Stock
Min.: 1
Mult.: 1

PM74/59 Hardware & Accessories Ungapped PM Core PM 74 x 59 Coil Former without Solder Pins GFR Polyterephthalate Pin Bulk
TDK Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO
Datasheet
13In Stock
220On Order
Min.: 1
Mult.: 1

PM74/59 Hardware & Accessories Ungapped PM Core 86 x 87 18 Pin Pin Tray
TDK Ferrite Cores & Accessories PM 87X70 N27 400 +3%-3% Sold as set
Datasheet
12In Stock
Min.: 1
Mult.: 1

PM87/70 Ferrite Cores Gapped PM Core PM 87 x 70 400 nH 3 % N27 Bulk
TDK Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO
Datasheet
248In Stock
144Expected 10/5/2026
Min.: 1
Mult.: 1

PM87/70 Hardware & Accessories Ungapped PM Core 87 x 70 Coil Former without Solder Pins Bulk
TDK Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO
Datasheet
76In Stock
64Expected 9/1/2026
Min.: 1
Mult.: 1

PM87/70 Hardware & Accessories Ungapped PM Core PM 87 x 70 Coil Former 20 Pin GFR Polyterephthalate Pin Tray
TDK Ferrite Cores & Accessories Coil former PM114/93 Ryton R-4
Datasheet
145In Stock
112Expected 1/18/2027
Min.: 1
Mult.: 1

B65734B Hardware & Accessories Ungapped PM Core 114 x 93 Bulk
TDK Ferrite Cores & Accessories RM4/I-N87 +30%-20% Sold as set
Datasheet
1 119In Stock
2 400Expected 1/8/2027
Min.: 1
Mult.: 1
: 600

RM4 Ferrite Cores Ungapped RM Core RM 4 1.1 uH - 20 %, + 30 % N87 Reel, Cut Tape
TDK Ferrite Cores & Accessories RM4 PC200 500 +30% -20% Sold as set
Datasheet
589In Stock
Min.: 1
Mult.: 1

RM4 Ferrite Cores Ungapped RM Core 11.4 mm x 4.6 mm 500 nH - 20 %, + 30 % PC200 Blister Pack
TDK Ferrite Cores & Accessories RM 4 N48 160 +3%- 3% Sold as set
Datasheet
207In Stock
Min.: 1
Mult.: 1
: 600

RM4 Ferrite Cores Gapped RM Core RM 4 160 nH 3 % N48 Reel, Cut Tape
TDK Ferrite Cores & Accessories CLAMP RM 2 PCS REQUIRED
Datasheet
3 384In Stock
Min.: 1
Mult.: 1

RM4 Hardware & Accessories Ungapped RM Core RM 4 Clamp with Ground Terminal Bulk
TDK Ferrite Cores & Accessories RM5/I-N87 +30%-20% Sold as set
Datasheet
43In Stock
2 000Expected 9/21/2026
Min.: 1
Mult.: 1

RM5 Ferrite Cores Ungapped RM Core RM 5 2 uH - 20 %, + 30 % N87 Blister Pack
TDK Ferrite Cores & Accessories RM5 N48 160 +3%-3% Sold as set
Datasheet
36In Stock
2 000Expected 5/3/2027
Min.: 1
Mult.: 1

RM5 Ferrite Cores Gapped RM Core RM 5 160 nH 3 % N48 Blister Pack
TDK Ferrite Cores & Accessories RM5 N48 315 +3%-3% Sold as set
Datasheet
480In Stock
2 000Expected 4/19/2027
Min.: 1
Mult.: 1

RM5 Ferrite Cores Gapped RM Core RM 5 315 nH 3 % N48 Blister Pack
TDK Ferrite Cores & Accessories RM6 N48 160 +3%-3% Sold as set
Datasheet
792In Stock
2 000Expected 11/24/2026
Min.: 1
Mult.: 1

RM6 Ferrite Cores Gapped RM Core RM 6 160 nH 3 % N48 Blister Pack
TDK Ferrite Cores & Accessories RM6 N48 400 +3% -3% Sold as set
Datasheet
532In Stock
2 000Expected 3/3/2027
Min.: 1
Mult.: 1

RM6 Ferrite Cores Gapped RM Core RM 6 400 nH 3 % N48 Blister Pack
TDK Ferrite Cores & Accessories RM6 N48 160 +3% -3% Sold as set
Datasheet
711In Stock
Min.: 1
Mult.: 1

RM6 Ferrite Cores Gapped RM Core RM 6 160 nH 3 % N48 Blister Pack
TDK Ferrite Cores & Accessories RM6 N48 250 +3%-3% Sold as set
Datasheet
682In Stock
8 000On Order
Min.: 1
Mult.: 1

RM6 Ferrite Cores Gapped RM Core RM 6 250 nH 3 % N48 Blister Pack
TDK Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630
Datasheet
422In Stock
1 000Expected 9/17/2026
Min.: 1
Mult.: 1

RM6 Hardware & Accessories Ungapped RM Core RM 6 4 Pin Pin Tray
TDK Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630
Datasheet
947In Stock
Min.: 1
Mult.: 1

RM6 Hardware & Accessories Ungapped RM Core RM 6 5 Pin Pin Tray
TDK Ferrite Cores & Accessories Coil former RM6 Sumikon PM 9630
Datasheet
72In Stock
1 000Expected 2/9/2027
Min.: 1
Mult.: 1

RM6 Hardware & Accessories Ungapped Coil Former 8 Pin Pin Tray
TDK Ferrite Cores & Accessories RM8 N48 630 +5%-5% Sold as set
Datasheet
456In Stock
1 200Expected 10/26/2026
Min.: 1
Mult.: 1

RM8 Ferrite Cores Gapped RM Core RM 8 630 nH 5 % N48 Blister Pack
TDK Ferrite Cores & Accessories RM8/I-N41 Sold as set
Datasheet
55In Stock
1 600On Order
Min.: 1
Mult.: 1

RM8 Ferrite Cores Ungapped RM Core RM 8 4.1 uH - 20 %, + 30 % N41 Blister Pack
TDK Ferrite Cores & Accessories RM8/I-N49 Sold as set
Datasheet
288In Stock
800Expected 9/28/2026
Min.: 1
Mult.: 1

RM8 Ferrite Cores Ungapped RM Core RM 8 2.2 uH - 20 %, + 30 % N49 Blister Pack
TDK Ferrite Cores & Accessories RM8/I-T38 Sold as set
Datasheet
83In Stock
2 400Expected 9/14/2026
Min.: 1
Mult.: 1

RM8 Ferrite Cores Ungapped RM Core RM 8 12.5 uH - 30 %, + 40 % T38 Blister Pack
TDK Ferrite Cores & Accessories RM8 N87 160 +3%-3% Sold as set
Datasheet
24In Stock
Min.: 1
Mult.: 1

RM8 Ferrite Cores Gapped RM Core RM 8 160 nH 3 % N87 Blister Pack