The 3299Z-1-203LF is a 3/8" square multiturn cermet trimming potentiometer (Trimpot) designed for industrial applications requiring precision adjustment and sealed operation. This model features a 20 kO resistance value (code 203), ±10% resistance tolerance, and infinite resolution with ±0.05% adjustability. It operates over a temperature range of -55°C to +125°C with a temperature coefficient of ±100 ppm/°C, and delivers 0.5 watts at 70°C and 0 watts at 125°C. The device includes 25 turns of effective travel, 1,000 megohms minimum dielectric strength, and is sealed to MIL-STD-202 humidity standards with U.L. 94V-0 flammability rating. The 3299Z-1-203LF is ideal for circuit calibration, signal conditioning, and precision tuning applications in industrial control systems, instrumentation, and electronic equipment where reliable, sealed adjustment is essential.