The 18-945 is a PCB plug-in base designed as an accessory for human-machine interface applications. It features an axial socket terminal configuration with PCB terminal connectivity, enabling direct mounting onto printed circuit boards. The component has a compact footprint with dimensions of 9.2 mm × 11.7 mm × 3.2 mm and includes four mounting holes with a diameter of 1.1 mm on a 2.54 mm pitch grid. With a weight of 0.001 kg, this lightweight base is ideal for space-constrained applications requiring reliable PCB integration. The 18-945 is commonly used in control panels and interface assemblies where modular plug-in connectivity is required.