The RTT20R045FTE is a Low Resistor & Current Sense Resistor manufactured by RALEC. It is a surface mount device for PCBs with a 2010 RoHS standard. This RTT20R045FTE has a temperature coefficient rating of ±100ppm/°C, resistance range of 4.5O ± 5% and a high power rating of 0.25 Watt at 70°C. The current sense resistor also offers excellent long-term stability and reliability. The ROHS compliant design makes the device suitable for lead-free, hazardous-free, and non-toxic environments. The resistance is printed with white or yellow ink, and the resistance tolerance is plus or minus 5%. This RTT20R045FTE offers a high speed response and is ESD resistant. It can be used in power supply systems, power electronic control, motor inverters, and electric vehicles.