Category Archives: Uncategorized

Sep30
What Is HASL Surface Finish? Advantages and Disadvantages

Figcaption: What Is HASL Surface Finish? Advantages and Disadvantages HASL stands for Hot Air Solder Leveling and is one of the most common PCB surface finishes. It is commonly referred to simply as HASL or a solder coating. During the … Continue reading →

Jul22
Should BGA Pads Be Designed as SMD or NSMD? Pros, Cons, and Drop-Test Performance

Figcaption: Should BGA Pads Be Designed as SMD or NSMD? Pros, Cons, and Drop-Test Performance Do you know the difference between SMD (Solder Mask Defined) and NSMD (Non-Solder Mask Defined) pad designs for PCB? What are the advantages and disadvantages … Continue reading →

Apr08
How I Troubleshoot Hidden Open Circuits in FPCs

Flexible printed circuits (FPCs) are widely used because they can bend and fold. They’re perfect for compact products or for connecting signals between different PCBAs. But there’s a downside. As usage increases—especially in applications with repeated motion—FPCs can develop open circuits or … Continue reading →

Jan29
How Component Suppliers Can Break Into System Companies as a 2nd-Source Supplier

Many component suppliers work extremely hard to get into certain companies as approved suppliers. Playing the “pretty salesperson card” is a common tactic—while engineers may appreciate it, most of the time it still doesn’t open the door. So where does … Continue reading →