Found 4 alternatives for FSUSB31UMX by Rochester Electronics, LLC. Interface Analog Switches Special Purpose — 8-UFQFN.
IC USB SWITCH DPST 8MICROPAK
IC USB SWITCH DPST 8UQFN
HI-SPEED USB2.0 (480MBPS) DPST S
LOW POWER DUAL SPST HI-SPEED USB