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Topfast, a leading PCB manufacturer with 17+ years of expertise, made a significant impact at ICEF 2025 in Moscow, Russia’s largest consumer electronics expo. Exhibiting at Booths B1143 & B1147, the company engaged with global industry leaders, reinforcing its reputation for high-performance PCB solutions in 5G, IoT, automotive, and industrial automation.

An 8-layer PCB stack typically consists of signal, power, and ground layers.

Printed circuit boards (PCBs), as the core components of electronic devices, can be systematically classified based on different characteristics and application scenarios

Learn how environmentally friendly materials, energy efficiency and circular economy practices are reshaping the electronics industry. Stay ahead of the curve with green printed circuit board solutions!

Resistors are one of the most basic passive components in electronic circuits and are used for current control, voltage dividing, current limiting and so on.

This article systematically explains the critical roles of capacitors in circuits, including signal coupling, power filtering, energy storage, and parasitic capacitance management. It provides detailed professional testing methodologies such as digital/analog multimeter tests, capacitance mode measurement, insulation resistance checks, and voltage/current analysis to accurately assess capacitor performance and identify faults.