.The AC2512FK-0743RL is an SMD 43 Ohm resistor manufactured by Yageo. It has a high-precision 1% accuracy over its entire lifespan, making it ideal for applications that need precision resistance values. The part is constructed with a Thick Film Resistor, which makes it highly durable and able to withstand a wider range of environmental conditions such as high temperature, high humidity and vibration than other standard resistor types. It has an AEC-Q200 approval, making it suitable for a variety of automotive applications. This part also has a low thermal coefficient, low noise and fast response time, making it ideal for high performance applications.