The MCR03ERTF3921 surface mount chip resistor is a thin, 603-sized component manufactured by ROHM. It has a resistance of 3.92 KOhms ±1%, and can handle a maximum power of 1/10 W. This part is RoHS (Restriction of Hazardous Substances) compliant, meaning it does not contain hazardous materials. It is designed to act as a voltage divider or to limit current flow in a variety of electrical and electronic circuits. With its small size, high power rating and low cost, this component can be a useful component in a range of applications, including power supply and protection circuits, precision measurement instruments, and consumer electronic devices.