This document includes questions and answers that pertain to the ARPA-E Funding Opportunity Announcement (FOA) entitled "Unlocking Lasting Transformative Resiliency Advances by Faster Actuation of power Semiconductor Technologies SBIR/STTR (ULTRAFAST SBIR/STTR)".  The full solicitation on the ULTRAFAST SBIR/STTR FOA and additional information can be found on the ARPA-E Funding Opportunity Exchange website (https://arpa-e-foa.energy.gov).