JLCPCB Blog

Components & Sourcing

7 Types of BGA (Ball Grid Array) Packages Explained

Key Takeaways: BGA Package Types ● BGA packages enable high I/O density and improved electrical performance for HDI PCBs. ● Different BGA types are optimised for cost, thermal performance, signal integrity, or reliability. ● Selecting the wrong BGA package can lead to reflow defects, thermal failure, or SI/PI issues. ● Proper package selection must align with PCB stackup, reflow profile, and application environment. The Ball Grid Array (BGA) packages have made a very big impact on the High-Density Int......

Dec 30, 2025

PCB Assembly Case

Mini Drone PCB Case Study: How JLCPCB Solved High-Density SMT and Double-Sided PCBA Challenges

Interested in this mini drone PCB? This is an open-source hardware project. You can view and download the Gerber, BOM, and CPL files from the official OSHWLab page and place your order directly with JLCPCB: 👉 https://oshwlab.com/nainaiu.rakhaine/mini-cam-drone In the rapidly advancing field of unmanned aerial vehicles (UAVs), the engineering challenge has shifted. The market no longer demands just smaller and lighter drones; it demands smaller, lighter, and smarter systems. This establishes an import......

Nov 28, 2025

PCB Structures & Fundamentals

Understanding the Basics of Electronic Devices and Circuits

In the realm of modern technology, electronic devices and circuits play a crucial role in powering everything from everyday gadgets to complex machinery. Understanding the fundamentals of these components can provide valuable insights into how various electronic systems operate and interact. This blog explores the basics of electronics devices and circuits, their types, functions, and the significance of their design in today's technological landscape. Electronics means the study of the flow of electr......

Sep 07, 2024

PCB Materials Science

How to Choose the Thickness of PCB

First, in the world of electronic products, the PCB is often referred to as the "heart", it connects everything together making the board thickness an important parameter for this crucial component. Whether the PCB thickness is appropriately selected directly affects the performance, stability, and reliability of the final electronic products. The process of selecting PCB thickness is influenced by various factors, such as product application scenarios, board material, and number of copper layers. The......

Dec 19, 2023

Flexible PCBs

45 Must-Know Flex PCB Design Tips You Can't Afford to Miss!

Achieving perfection in product design requires a careful balance between meeting design requirements and manufacturing standards. However, when it comes to flex PCB (FPC) design, many engineers find themselves at a loss, unsure of where to begin. In this insightful guide, we will delve into 45 essential design guidelines for FPC. By the end, you'll have the knowledge and confidence to navigate the complexities of flex PCB design. Outline and Drilling 1. The minimum distance from through-holes to the ......

Jun 12, 2024

Assembly Techniques

Optimizing Reflow Soldering Profile for Mixed SMD Components

In modern Surface Mount Technology (SMT) assembly, reflow soldering is an essential process for achieving accurate and reliable attachment of electronic components to Printed Circuit Boards (PCBs). As PCB designs continue to grow in complexity—with higher component densities, multi-layer architectures, and ongoing device miniaturization—the role of reflow soldering has become more critical than ever in the electronics manufacturing industry. Reflow soldering is a controlled thermal process that heats ......

Nov 22, 2025