The TRACO Power THL 25-4823WI is an isolated DC/DC converter product type designed to convert an input voltage of 18-75 VDC to two output voltages, 15 VDC and -15 VDC. Output power is 25 Watts, and it comes in a 1"x1" package. It features an isolation voltage of 4,000 VDC with UVLO and thermal shutdown protection. It is suitable for use in applications such as industrial and instrumentation systems, test equipment, transportation, medical, avionic, and railway projects.