The SDV1005S180C030YPTF, manufactured by Yongyutai Electronics, is a Varistor with ROHS certification and comes in an 0402 size. It has a 58V rating, 18V DC voltage, 12.7V AC voltage, and 31V~38V AC voltage. It is suitable for ESD and overvoltage protection of electronic circuits and is suitable for use in the automotive, home appliance, medical, and consumer electronics industries. It can effectively absorb high-frequency transient signals, such as lightning and surge, and has excellent electrical characteristics and reliability.