Engineer’s Perspective — Selecting & Applying Circuit Board Components for Performance & Reliability
Introduction – Why Circuit Board Components Define PCB Performance & Supply Chain Value A bare PCB (printed circuit board) offers only the structural substrate — copper tra
QFN Package with Lid: Definition, Types, Thermal Performance & How to Choose the Right PCBA Supplier
Discover what a QFN package with lid really means — its structure, advantages, thermal and electrical performance, and key types (plastic, ceramic, air-cavity). Learn how to eval
Leaded Solder vs Lead-Free Solder: What They Are & 6 Practical Ways to Distinguish Them
Learn the difference between leaded solder and lead-free solder material, including their compositions, melting points, and how to tell them apart — essential for RoHS-compliant
5 Essential Insights into 10 k Resistors for PCBA: Color Codes, Applications & Expert FAQs
Discover what a 10k resistor is, how to read its color bands, and why this fundamental component is ubiquitous in PCBA assembly. Learn step-by-step how this resistor supports volta
How to Clean a PCBA Board Without Alcohol: Professional Methods for Electronics Manufacturing
Cleaning flux and post-soldering residues is a key step in the PCBA manufacturing process. From SMT soldering stations to high-density assemblies, the choice of cleaning method can


