This is a CR1210JR800P05R chip resistor with 0.8 Ohms ±5% tolerance and 1/2 watt rated power, measuring 1210 mils across and RoHS compliant. It is surface-mountable and manufactured by Ever Ohms. It is compliant with EU Restriction of Hazardous Substances (RoHS) directive. It is ideal for applications demanding small size, reliability, and heat and corrosion resistance. It has a safety rating of UL 94V-0, and can be used in medical, industrial control, communication, power, and automotive applications.