The ST-1198 with Tactile Switches 4.5*4.5 RoHS is a small electronic parts manufactured by RI SHENG. It consists of two 4.5mm square tactile switches with a RoHS compliant construction. The switch has a momentary action and is rated up to 25VDC, 0.3A. It also has a contact resistance of =50mO. The switch has a long lifetime expectancy of 500,000 cycles and is a reliable and cost effective choice for tactile switching applications. The RoHS compliant construction ensures it is safe for use in all environment and is suitable for commercial, medical, and industrial electronics applications.