TC33X-2-503E is a 3 mm surface-mount trimming potentiometer (Trimpot) manufactured by Bourns with a rotational stop feature and a standard resistance value of 50 kO. The device features an adjustment angle of 270° ± 20° with a resistance tolerance of ±25% and contact resistance variation of 5% maximum, providing reliable precision tuning for electronic circuits. It operates over a temperature range of -40°C to +100°C with a power rating of 0.15 watts at 70°C, and exhibits a temperature coefficient of ±250 ppm/°C. The TC33X-2-503E is RoHS compliant, recommended for reflow soldering, and compatible with pick-and-place and automatic adjustment equipment, making it ideal for applications requiring compact, automated assembly and fine-tuning of circuit parameters in industrial and consumer electronics.