Brooks Instrument S-097-Y-509-AA-A Power Supply Board (S097Y509AAA) is a Brooks Instrument secondary-electronics power module that provides DC power for Brooks devices in the flow-control family. The part is identified by the designation S-097-Y-509-AA-A and the alternate S097Y509AAA, enabling precise referencing in service and replacements. Listings from third-party sellers show this unit as a used or refurbished power supply board within Brooks Instrument's secondary-electronics ecosystem.
