The LPA-C041301S-4 is a 3mm quad vertical switch light pipe assembly designed for LED indicator applications on PCBs. It features a clear polycarbonate light pipe (UL94V-0 rated) paired with a black Noryl holder (UL94V-0 rated) to guide and display light from integrated LEDs. The assembly is available in multiple lead lengths (2mm, 4mm, 10mm, 15mm, 20mm, 30mm, 40mm, 50mm, or custom), with the -4 suffix indicating a 4mm lead length. The device operates across a wide temperature range of -60°C to +125°C and is recommended for use with the SML-LX0805xx series LEDs. This light pipe is commonly used in control panels, instrumentation, and electronic equipment where compact, vertically-oriented LED indicators are required for status display and user feedback.