The BOURNS 3250W-1-501 is a precision wirewound trimmer with a resistance of 500 ohms and a tolerance of 5%. This high-quality trimmer is rated for 1 watt power and features 25 electrical turns for precise adjustments. It has a compact, tube-shaped design with dimensions of 12.7mm x 5.59mm x 13.59mm, making it ideal for various electronic applications. The trimmer is designed for easy installation with pin thru-hole connections, ensuring reliable performance in your circuits.