The TA-i four terminal current sensing resistor RLFC series is a pure metal plate current sensing resistor, also known as alloy current sensing resistor because it is a pure metal process resistor. The RLFC series meets the automotive industry certification standards and belongs to the automotive grade current sensing resistor category. The RLFC series is widely used in the automotive resistor and other markets. This article provides a detailed introduction to the characteristics of the RLFC series products, as well as their application markets and product selection parameters.