The TSB013A4318A02 with 50mA Brick nogging 12V SMD Tactile Switches ROHS is a tactile switch used for making and breaking electric circuits. It is an SMD type switch, meaning it has a small surface mount design and can easily be soldered to a circuit board. This switch comes with 12V of power compatibility, a brick nogging design, and is ROHS compliant. It has a current rating of 50mA and the manufacturer is Bozhong Electric. It is used in many electronic applications, including game controllers, consumer electronic devices, and more.