The BOURNS 3250W-1-203 is a precision wirewound trimmer resistor with a resistance of 20K Ohm and a tolerance of 5%. This 1W resistor is equipped with 25 electrical turns and features a compact design with dimensions of 1.91mm in diameter and 12.7mm x 5.59mm x 13.59mm. It is designed for easy installation with pin thru-hole mounting and is suitable for a wide range of electronic applications.