PTL45-15R1-203B2 is a slide potentiometer with integrated LED from Bourns' PTL Series, designed for professional audio and control applications. This unit features a 45 mm length of travel with a carbon element, standard resistance range from 1 kO to 1 MO, and a resistance tolerance of ±20%. The potentiometer offers a power rating of 0.125 watt in linear mode and includes multiple LED color options (red, orange, green, amber, and white) for visual feedback. With mounting dimensions of 60.0 ± 0.5 mm overall length and 45.0 ± 0.5 mm active travel, it incorporates M2 × 0.4 mounting holes and is RoHS compliant. This component is ideal for pro audio equipment, mixing consoles, and professional control panels where reliable volume control and visual indication are essential.