Free PCB Design Tools

A PCB BOM is the document that tells purchasing and assembly exactly what to buy, place, and verify. This guide explains the required fields, sourcing details, file formats, and review steps that prevent line-down delays, wrong-part substitutions, and expensive rework.

PCB panelization is the difference between a board that assembles cleanly and one that breaks rails, scraps panels, or damages edge components. This guide explains when to use V-scoring vs tab routing, how to size rails and fiducials, and what to check before sending Gerbers to fabrication.

A cable assembly is a bundled group of wires or cables enclosed in a protective sheath with terminated connectors. This guide covers the 7 main types, core components, how cable assemblies differ from wire harnesses, manufacturing steps, cost factors, and selection criteria backed by IPC/WHMA-A-620 standards.

Portable cord designations like SOOW, SJOOW, SEOOW, and Type W encode voltage rating, jacket material, and environmental resistance in a few letters. This guide decodes every common portable cord type, compares jacket materials, and gives you a selection framework that maps cord type to application without guesswork.

Reflow soldering dominates SMT assembly while wave soldering remains the go-to for through-hole components. This guide breaks down the process differences, defect profiles, cost structures, and selection criteria so you can match the right method to your board design.

Choosing the wrong wire harness material can lead to overheating, brittle insulation, or outright field failures. This guide breaks down every material layer — from copper and aluminum conductors to PVC, PTFE, and silicone insulation — so you can match materials to your application's voltage, temperature, and environment.