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 (ULTRAFAST)".  The full solicitation on the ULTRAFAST FOA and additional information can be found on the ARPA-E Funding Opportunity Exchange website (https://arpa-e-foa.energy.gov).