BOURNS 3299 Series Cermet Trimmer Potentiometer 50kΩ

The BOURNS 3299 Series is a high-quality, multi-turn cermet trimming potentiometer designed for precise circuit adjustments. These through-hole components are engineered to perform reliably in a wide array of electronic equipment, offering exact control over electrical parameters with their 25-turn mechanism.

Constructed from durable cermet material, this trimmer provides stable performance and a long rotational life of 200 cycles. Its 3/8-inch square form factor is versatile, and it features a top adjustment design with a lead screw for accurate setting. The unit is sealed to an IP65 rating, offering excellent protection against dust and water jets, making it suitable for more demanding environments.

Key Features & Specifications

• Multi-Turn Precision: The 25-turn operation allows for extremely fine and repeatable adjustments, essential for calibration and tuning applications.
• Robust Construction: Built with a cermet element, it ensures reliable performance and durability across its extensive operating temperature range.
• High Environmental Protection: With an IP65 sealing rating, it is protected from dust ingress and low-pressure water jets, enhancing its suitability for industrial and commercial applications.
• Board Wash Compatible: The design includes standoffs on popular terminal styles, permitting thorough post-solder PC board washing without compromise.
• Wide Resistance Range: While this specific model has a track resistance of 50kΩ, the series offers values from 10Ω to 2MΩ, catering to diverse circuit needs.

Typical applications include precision adjustments in production equipment, measurement systems for linear distance or angular rotation, and any electronic circuit where stable, multi-turn trimming is required. Its combination of precision, durability, and environmental protection makes it a trusted choice for engineers and technicians.