The 3352P-1-503 is a single-turn cermet trimming potentiometer manufactured by Bourns, designed for precision adjustment applications in industrial environments. It features a stable cermet element offering infinite resolution with a 50 kO standard resistance value, ±20% tolerance, and adjustability of ±0.05% in voltage divider mode and ±0.25% in rheostat mode. The device operates over a temperature range of -55°C to +125°C with a temperature coefficient of ±100 ppm/°C, and is rated for 0.50 watts at 85°C with a maximum voltage of 250 volts. Its compact 3/8" round open-frame design includes seven standard pin styles with thumb and screwdriver adjustment, making it ideal for circuit calibration, signal conditioning, and equipment tuning applications where space is limited and reliable performance is essential.