Knowledge Center

Through-hole (TH) components remain indispensable in electronic manufacturing, valued for their mechanical robustness, high current-carrying capacity, and reliability in harsh environments—from industrial control systems to automotive electronics. ...

0201 ultra-small surface-mount components (0.6mm × 0.3mm footprint) are ubiquitous in miniaturized electronic devices such as wearables, smartphones, and IoT sensors. Their tiny size presents significant challenges in PCB assembly, with placement mis...

RF connectors are critical interfaces in high-frequency electronic systems (e.g., 5G, Wi-Fi 6E, radar, satellite communications), enabling reliable signal transmission between PCBs and external devices. A frequently overlooked but impactful design detail i...

High-current PCBs—utilized in power supplies, electric vehicles (EVs), industrial motor drives, and renewable energy systems—demand meticulous stackup design to safely handle currents exceeding 10A. Unlike low-current signal PCBs, where trace w...

Tombstoning—also known as “drawbridging” or “standing”—is a common and costly SMT assembly defect where a chip component (e.g., resistor, capacitor) lifts one end off the PCB pad while the other remains soldered, forming...

Etching is a pivotal step in PCB fabrication, where unwanted copper is selectively removed to form conductive circuits. Two critical metrics define etching quality: etch rate (speed of copper removal) and side etching (lateral copper loss from trace edges)...

Conventional copper-clad laminates (CCLs)—composed of a dielectric substrate (e.g., FR-4, CEM-1) and copper foil bonded via adhesive resin—are the foundational material for PCB manufacturing. Their storage conditions, particularly temperature a...

Electroless tin plating (chemical tinning) is a critical surface finishing process for PCBs, connectors, and precision electronic components, providing excellent solderability, corrosion resistance, and compatibility with lead-free assembly. A key quality ...

Solder paste printing is a foundational step in surface mount technology (SMT) assembly, where the paste’s consistency, flux activity, and particle integrity directly determine solder joint quality. A critical yet often overlooked factor is the ambie...

1. Prioritize Manual Routing Modern PCB design software includes auto-routing features, but no auto-routing tool can replace an engineer’s experience and flexibility. Auto-routing is only recommended for these scenarios: After component placement, ...