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2 questions with no upvoted or accepted answers
2 votes
0 answers
102 views

How old is too old for BGA chips soldering

I need to buy a batch of UFGBA100 STM32 MCUs from a Chinese broker. I'm concerned that in the quote they specified that the chips will have a date code 19+ (4 years old). How can this affect ...
mactro's user avatar
  • 497
0 votes
0 answers
91 views

Quintic QN8007B RoHS information?

We are planning to use the Quintic QN8007B FM transmitter in our new design because it is quite cheap and has I2S interface. I believe this chip is no longer produced, but it is possible to get hold ...
JohnDonut's user avatar
  • 115