The MMB02070C4992FB200 with MELF resistors is a 1 watt, 49.9Kohms, 1% resistance and 0207 size manufactured by Vishay. It is made of metal-film construction for exceptional stability. It is rated for 300 volts and has a pulse-proof design with tin-plated terminations and a Nylon insulation sleeve. This resistor is accurate to within 50 ppm and compatible with reflow soldering processes. The MELF package format allows the resistor to fit into boards with 4x0.5 inch mounting space, making it perfect for surface mount applications. Additionally, its RoHS compliant design ensures that it meets environmental safety regulations, making it suitable for use in commercial and industrial systems.