The ST-1177N with Tactile Switches 3*3 RoHS manufactured by RI SHENG is a SPST (Single Pole, Single Throw) momentary tactile switch. It is a RoHS compliant (Restriction of Hazardous Substances) that uses a short momentary action to make or break a connection. It has an excellent tactile feel with a high-quality click sound. It has an operating temperature range of -20°C to +65°C. It is also dust-proof and moisture-proof, so it is well-suited for use in a variety of applications. Applying a maximum voltage of 50 V DC and current of 50 mA, ST-1177N is suitable for most types of electronic circuits. The overall size of this part is 6.5 x 6.3 x 3.1 mm and it's net weight is 0.2 grams.