PCW1J-B24-BAB104L is a PC "Slimline" 22 mm square single-turn panel control potentiometer manufactured by Bourns. This device features a 3/4" (19 mm) shaft length with a 3/16" (4.76 mm) diameter flatted shaft (Style J), and is configured with a 10 kO resistance value and anti-rotation lug at the 9:00 position. The potentiometer operates with a 270° ± 5° effective electrical angle, ±20% total resistance tolerance, and ±5% independent linearity, with contact resistance variation of 7% of total resistance. It is RoHS compliant and available with PC pin or solder lug terminals, offering space-saving design suitable for panel-mounted applications in instrumentation, audio equipment, and industrial control systems.