Via-in-Pad Reliability: When Does Your PCB Need It?

Via in pad can present reliability challenges, as Zach Peterson shows in this video. This video presents data from the IPC HDPUG and SMTA studies. #pcbmanufacturing #pcbdesign #electronics #electronicsdesign #altium #altiumdesigner #signalintegrity #ferrite

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0:00 - Intro
1:57 - When to Use Via in Pad
3:01 - Example: Ethernet Switch BGA Without Via in Pad
4:42 - Example: QFN With 0.5 mm Pitch Using Via in Pad
6:32 - Reliability Concerns With Via in Pad
9:47 - Reliability Studies: Package Type Comparison
12:13 - 57% Lifetime Increase Without Via in Pad (BGA 192)
14:52 - Failure Modes Related to Size and Materials
16:28 – Outro

WHO IS ZACH PETERSON?
Zachariah Peterson is a well-known PCB design expert, electronics design consultant, and dynamic speaker. He works with industry-leading ECAD/EDA software companies, electronics manufacturers, and OEMs providing technical consulting, strategy, and deeply technical content on PCB design and electronics manufacturing. He is also a contributor to popular engineering publications in the electronics industry and top-tier research journals.