OSRPMC5B31A-12V is a DC-DC converter module manufactured by Optosupply. It is a 5 watt isolated DC-DC step-down converter featuring an efficiency of up to 81.5%, a wide 9 to 36VDC input voltage range and a 12VDC output voltage. It provides excellent power conversion, isolated 4kVac, short-circuit protection, isolation voltage up to 5kVac, and output over-voltage/under-voltage protection. This module is suitable for use in a wide variety of applications such as industrial control systems, test and measurement, battery-powered equipment, and automotive power supplies.