PCLID0303 讨论
PCLID0303 (上海芯陶微): 2 篇讨论. Open-cavity QFN die-fit check, step by step: die-attach area, cavity depth, pad count and pitch with real ALNP dimensions; How
找不到料，或不想自己搜？告诉 MST
描述你的需求，MST 帮你核查货源和替代型号；这个帖子也能帮到其他工程师。
想直接要报价？向 MST 提交该料号的找料询价。
目录产品
Open-cavity QFN die-fit check, step by step: die-attach area, cavity depth, pad count and pitch with real ALNP dimensions
**Short answer:** A die fits an open-cavity QFN when four checks pass. The die X and Y must be no larger than the nominal die-attach area. The die thickness plus attach material and wire-loop height must stay below the cavity depth. The die
How to choose an open-cavity IC package and matching lid: a 5-step summary with size tables
**Short answer:** Size the cavity from your die, choose the package family from the I/O count, match the pitch to your socket or board, check bond-finger pitch and plating, then pick the lid and seal method. Choose an adhesive (B-stage epox