The RN731ETTP1601B25 is a thin film resistor manufactured by KOA Speer. It is made using surface mount technology (SMD) and is comprised of two terminals. It has a resistance of 1.6 k ohms, a tolerance of 0.1%, a temperature coefficient of 25 ppm (parts per million), a power rating of 63 mW, and a rated voltage of 25V. It is made with high-precision technology, enabling it to be used with a wide variety of applications in a range of industries, including automotive, aerospace, consumer electronics, and medical devices.