The 25121WF0332T4E part is a product of Royal Ohm, a manufacturer of resistors and other electronic components. It is a surface-mount, AEC-Q200 qualified, 0.5 W chip resistor with a 1% tolerance. It features a 0332 size, a TCR of ±50 ppm/°C, and is composed of a metal film on a ceramic substrate. It is ideal for use in automotive, commercial, and industrial applications.