Steward is releasing a revolutionary new SPICE model for EMI ferrite chip beads. This new, time saving design aid includes the de-rating effects of dc bias currents on small ferrite board level parts. HeilindAsia is the worldwide distributor of Steward electronic products. The revolutionary SPICE model is available to deliver across the globe. HeilindAsia is the worldwide distributor of Steward electronic products. The revolutionary SPICE model is available to deliver across the globe. Heilind Electronics, Inc. (www.heilind.com) is one of the world's leading distributors of connectors, relays