The Trimpot 3214 series from Bourns are cermet, surface mount trimming potentiometers. These potentiometers are multiturn which performs a variety of circuit adjustments in all types of electronic equipment. This 4mm square potentiometer meets EIA/EIAJ/IPC/VECI SMD standard trimmer footprint. Typical applications are measuring linear distance, angle or rotation in production equipment. Operating temperature ranges from -65°C to +150°C.