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

Описание: 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.

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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.