BOURNS 3299 Series Cermet Potentiometer, Multi-turn, 10Ω, 25 Turn

The BOURNS 3299 Series is a high-quality, multi-turn trimming potentiometer designed for precise circuit adjustment. Featuring a robust cermet element and through-hole mounting, this component performs reliably in a wide array of electronic equipment, providing accurate control over resistance values.

With 25 turns for fine adjustment and a rotational life of 200 cycles, it offers excellent durability and precision. The device is IP65 sealed, offering protection against dust ingress and low-pressure water jets, making it suitable for environments where contamination is a concern.

This potentiometer boasts a resistance value of 10Ω with a tolerance of ±10%. It operates effectively across a broad temperature range from -55°C to +125°C, with a low temperature coefficient of ±100ppm/°C. Its power rating is 0.5W (500mW), ensuring stable performance in various circuit designs.

The 3/8-inch square package features a convenient top adjustment via a lead screw. It is supplied in a SIP (Single In-line Package) format with standoffs, which facilitate thorough cleaning of the printed circuit board after soldering. Five popular terminal styles are available within the series to accommodate different assembly requirements.

Typical Applications:

• Calibration and adjustment in control systems.
• Measuring linear distance, angle, or rotation in production equipment.
• Setting bias points and reference voltages in analogue circuits.
• Use in power supplies, test instruments, and communication devices where long-term stability is essential.