The 3009Y-1-102LF is a 3/4" rectangular multiturn trimming potentiometer manufactured by Bourns, featuring a stable cermet element with 1 kO nominal resistance and infinite resolution. It operates over a temperature range of -55°C to +125°C with a low temperature coefficient of ±100 ppm/°C, and is rated for 0.75 watts at 70°C with a maximum voltage of 400 volts. The device incorporates sealed construction with mechanical stops, solderable pins, and a maximum torque of 5.0 oz-in, meeting MIL-STD-202 humidity and vibration standards. This trimmer is ideal for precision calibration and adjustment applications in industrial equipment, instrumentation, and control systems where stable, long-term performance and environmental reliability are required.