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E-Switch TL3145 Long-Life Tactile Switches offer a very long life expectancy of up to 3,000,000 cycles and are ideal for high use applications. The TL3145 switches are surface mount, top actuated with a round button, and provide IP67 dust/moisture protection ratings. Operating in a temperature range of -40°C to +85°C, the tactile switches feature a 50mA, 12VDC electrical rating with 100mΩ maximum contact resistance. The TL314 switch function of SPST, Off-On appeals to a wide customer base for multiple application uses.