The RTT051270FTP is a chip resistor manufactured by RALEC. It is a surface mount resistor with a resistance value of 127ohms, ±1% tolerance, and 1/8 watt of power dissipation. This chip resistor meets the requirements of the RoHS directive, meaning it is free of hazardous materials like lead, mercury, and hexavalent chromium, making it an environmentally friendly and safe resistor. The size of this resistor is 0805, with nominal body dimensions of 0.08 inches (2mm) in length, and 0.05 inches (1.25mm) in width. It is typically used in applications that require precise resistive values at low power.