The TDN 1-4823WISM is an Isolated DC/DC Converter 1W SMT Iso 18-75Vin +/-15Vout +/-35mA manufactured by TRACO Power. This device features an input voltage range of 18 - 75V DC and an output voltage of +/-15V DC. It is capable of providing up to 35mA of output current. Its ultra-compact size and wide range of operating temperatures ( -40°C to +85°C) make it suitable for a wide variety of industrial, automotive, and general purpose applications. The TDN 1-4823WISM is designed for PCB mounting, making it easy to integrate into any system. It features a high-efficiency rate up to 85% and a very low ripple and noise. The device also meets safety standards UL/CUL 60950-1, EN60950-1, EN55032, EN55024, and EN50155, making it an ideal choice for reliable and safe operation.