The HPCR0603F21K5K9 is a high power surface mount resistor manufactured by ResistorToday and is RoHS compliant. It is a 0603-sized, high power (HPC), anti-surge, automotive grade, ±1% tolerance, 0.2W, 21.5kO, chip resistor with a wider temperature coefficient range (-55°C ~ +155°C). This part is typically used in automotive, telecom, and industrial applications that require high reliability and surge protection.