What component is this one marked V221U in the picture? I need a replacement part from Mouser as I'm ordering stuff there anyway The silkscreen on the PCB says SA1.
http://www.mouser.com/ds/2/315/AWA0000CE2-33884.pdf Panasonic surge absorber Logo is of Matsushita which is what panasonic used to be called. https://www.elnec.com/en/support/ic-logos/manufacturer-description/?manuf=Matsushita+Panasonic