测试座
QFN、QFP、SOIC 测试座与老化座：焊盘、间距、触点与盖型。
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。
QFN test socket selection, step by step: body size, pitch, exposed pad, lid style and the Plastronics QN sockets we list
**Short answer:** Pick a QFN socket by matching four things on your device drawing: lead count, body size, lead pitch and the exposed (thermal) pad. Then choose the lid style and confirm the use case. The same lead count can come in more th