RJ50FP503 is a 1/4" round single-turn cermet trimming potentiometer with a resistance value of 50 kO. It features a sealed industrial design with ±10% resistance tolerance, ±100 PPM/°C temperature coefficient, and 0.5 watt power rating at 85°C. The potentiometer operates over a temperature range of -55°C to +150°C and is listed on the QPL per MIL-PRF-22097 and MIL-PRF-39035 high-reliability standards. With infinite resolution, 240° nominal adjustment angle, and 1,000 megohms minimum insulation resistance at 500 VDC, this trimmer is ideal for precision adjustment applications in industrial and military environments.