BOURNS 3299 Series 25 Turn 1K Trimmer Potentiometer

The BOURNS 3299 Series Trimpot is a high-precision cermet through-hole trimming potentiometer designed for reliable circuit adjustments across a wide range of electronic equipment. Featuring a multi-turn mechanism, this 25-turn trimmer allows for exceptionally fine resolution, making it perfectly suited for applications requiring precise calibration, such as measuring linear distance, angle, or rotation in production equipment.

Built with robustness in mind, the 3/8 inch square potentiometer boasts an IP65 rated seal, protecting the internal components from dust and moisture. It offers both side and top adjustment options via a lead screw, ensuring flexibility during installation and maintenance. Additionally, the design incorporates standoffs that facilitate thorough PC board washing, preventing contamination during the manufacturing process.

With a track resistance of 1kohm and a tolerance of ±10%, this trimming potentiometer delivers consistent performance. It features a power rating of 500mW and a temperature coefficient of ±100ppm/°C, maintaining stability across operating temperatures ranging from -55°C to +125°C. The rotational life of 200 cycles ensures dependable longevity for your calibration needs.