The AC0402JR-0791KL is a thick film resistor manufactured by Yageo. This resistor is a SMD (surface mount device) style component, has a resistance of 91K ohm, a tolerance of 5%, and a rated power of 1/16 W. Due to its construction quality, it is approved by AEC-Q200 standards, making it suitable for automotive and other industrial applications. It is 4.0mm long, 0.5mm wide, with a thickness of 0.6mm. It is a 4-column and 2-row structure, featuring a termination of a tin-copper finish for insulation as well as better performance. This resistor is resistant to moisture, heat and other harsh environmental conditions.