MAX3108AEWA+T
25-WFBGA, WLCSP
61322651-MAX3108AEWA+T
IC UART FIFO I2C/SPI 25WLP
They regulate the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening, closing, or partially obstructing various passageways. They are technically pipe fittings but are usually discussed as a separate category.