This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

INA129热风焊后损坏问题

近日调试电路,SOIC封装INA129U损坏了10多片。一开始百思不得其解,因电路电压低,不可能过压等原因损坏。奇怪的是本来正常工作的IC用热风枪(380℃)拆下来后,再焊接上去就都损坏了。IC肯定是正品,其中3片是器件样品。用万用表测量发现全部是1—6PIN或5—8PIN间精密电阻开路了。是否是我焊接不当还是芯片本身的问题。请回答(急!急!急!)