Based on the part number , you are likely referring to a legacy Power Management IC produced by Allegro MicroSystems .
: TO-220, which is ideal for applications requiring heat sinking. a68064 datasheet link
: Primarily used in AC and DC power control, including motor control, lighting systems, and Uninterruptible Power Supplies (UPS). Based on the part number , you are
(NBR series) used in protection units like the FA-01 distribution unit. www.utsource.net for the A68064 or check for current stock availability at specific retailers? A68064 | Teccor | Varactors - Lisleapex Based on the part number