Monday, June 27, 2011

Ferrite vs Iron chokes

According to Tim: Ferrite has less hysteresis than iron, but saturates sooner.

The equivalent to hysteresis in capacitors is dielectric absorption and dissipation factor.  DA causes phase shift, DF causes amplitude reduction.  But levels are much smaller than hysteresis in ferrite and iron chokes.

The inductors in Quad ESL-63 are air core.

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