Technical guide covering ferrite core and material selection for telecom power supplies, including LLC transformers, PFC inductors, output filters, and EMI common-mode chokes.

Explains the fundamental magnetic differences between transformers and inductors, and how to select the right core geometry and material grade for each application type.

A practical step-by-step guide to selecting the right ferrite core for your power electronics design. Covers frequency matching, power sizing, geometry selection, and cross-referencing between TOMITA and other major brands.

Learn about the five primary ferrite core failure modes: thermal runaway, saturation degradation, mechanical cracking, moisture ingress, and electrical overstress — with practical prevention strategies.