This product is a 4-terminal thin film resistor manufactured by Yageo, considered a zero-ohm link resistor model series RT0805BRD0791KL. It is used for light load switching and circuit impedance matching. This item has a 91K ohm resistance value with a 0.1% tolerance and 25ppm thermal coefficient. It features a maximum power dissipation of 0.125W and is constructed from an Aluminum Nitride (AlN) substrate. The general features for these RT series thin film resistors include improved temperature stability, low noise, high-frequency characteristics, and excellent general performance. Typical end applications can be found in motherboards, mobile phones, computers, TVs, electronic toys, medical equipment, test and measurement instruments, and other electronic products.