Buy Laird 28A2025-0A0 online at Avnet. View datasheets, check stock and pricing, and search for Ferrite Core. Jan 14, 2018 - Ferrite Core Inductor Software Applications. Magnetics Designer is a standalone software program for Windows that designs all types of layer (and sector/split bobbin) wound transformers and inductors, and generates. Avg Network Filter Driver Problem. Core vendors such as TDK, Magnetics, Philips, Thomson, Micrometals, Siemens,.

Hello I recently got hold of about 20 cheap toroidial inductor cores that have clearly been taken from an old device, most likely an computer power supply, and I wish to identify them. I am particularly interested in whether they are Powdered Iron or Ferrite. There are too many to describe individually but I am wondering how I can identify them? Some are painted yellow and white or green and blue, some are grey, others are unpainted and grey or black and so on. I have attempted to find out using google but have had no luck. The only thing my search has turned up is that Powdered Iron cores conducts electricity, obviously, and ferrite does not.