The RT0603FRE0739R2L is a Thin Film Resistor - SMD (Surface Mount Device) with a power rating of 110W, rated resistance of 39.2 ohm, tolerance of 1%, temperature coefficient of 50ppm, and manufactured by Yageo. This component is suited for use in applications where size, precision, and low temperature coefficient are important considerations. Its construction consists of a sputtered thin film element enclosed in a nitrogen environment and wrapped with a protective layer of epoxy or other potting material. It is available in a range of sizes, including 0603, 0805, and 1206, and can operate in a temperature range of -55°C to +125°C.