Magnetic Core Materials

Factory authorized magnetic core distributor

With over 5 million Iron Powder Cores, Nickel Powder Cores and Ferrite Cores in stock, in addition to superior customer service, Lodestone Pacific is truly the “Finest in the Field”. If you need toroids, E-Cores, PQ Cores, RM Cores, EP Cores, ETD Cores, ER Cores, EFD Cores or shield beads, we offer low pricing, high quality same day samples, catalogs, in-house technical support and closely scheduled deliveries.

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Tape Wound Cores

Cost Effective Tape Wound Cores made from High Quality Silicon Steel and Iron-Alloy Tape. Toroid and Cut Cores up to 3 inches in Diameter. Custom Plastic Molded Tape Core Protective Covers and Cases.

Micrometals Alloy Powder Cores
Micrometals Toroids & Mounts
Micrometals E-Core & Bobbin2

East Coast Sales


East Coast CSR


West Coast CSR