Mag Dev-EFD-Type-Ferrite-Core-Mag Dev-32-740-44-A-1120n H-ferrite-core-of-the-Economic-Flat-Design-EFD-type-that-features-a-combination-of-very-low-height-&-excellent-power-throughput-This-makes-the-core-ideal-for-applications-where-space-considerations-are-a-priority-especially-in-power-transformer-design-Mag Dev-32-740-44-1120n H-EFD20-F44-Ferrite-Core