We found this circuit in an old documentation. Its purpose is to turn on warning lights when the vehicle in a garage touches or passes a sensing bar preventing it from hitting the wall.
The Texas Instruments INA826S Instrumentation Amplifier Evaluation Module is available from Mouser...
May 2017 - Mouser Electronics is already in stock with the new BCP1395 transistors from Nexperia....
January 2017 - Mouser Electronics is shipping the new Littlelfuse TVS SP1043, SP1044 and SP1045...