The B3SN-3112 with Tactile Switches with Ground Term 3.1 x 4.33mm is a package of tactile switches with grounding provision manufactured by Omron. It has a body dimension of 3.1 x 4.33 mm. It has a longer operating life than conventional tactile switches, enabling a switch system life of up to 500,000 operations. It also maintains a highly reliable operation, even with switch operations of up to 2,000,000 operations. It features a non-contact press switch that is capable of high-speed switching operations and provides up to 500-mA switching capability. The operating temperature range of this switch is 0-70°C and the maximum contact resistance is 100 mO for initial resistance and 100 mO for insulation resistance. It is resistant to shock, vibration and temperature variations, and has no contact bouncing effects due to its non-contact switch design.