The BOURNS part 3329H-1-500LF is a resistor-cermet trimmer with a resistance of 50 Ohms and a tolerance of 10%. It has a power rating of 0.5W (1/2W) and features one electrical and one mechanical turn. The trimmer is designed in a compact size of 6.35 X 4.57mm and can be easily mounted through the pin-holes. It comes in a tube packaging for convenient storage and organization. This BOURNS trimmer is an ideal choice for applications that require precise adjustment and calibration of electronic circuits.