The RMCF1206JT510K part is a 0805-sized, 5.10kO resistor manufactured by Stackpole Electronics. It is a surface mount, specialty resistor featuring an ultra-low-profile design, allowing it to be fit in cramped placements. The tolerance is rated at 1%, the maximum working voltage is 50V, and the power rating is 0.063W. The RMCF1206JT510K has a temperature coefficient of ±100ppm/°C, a maximum operating temperature of +125ºC, and a reliable dielectric strength of at least 20MO.