Hi ! To keep it short: it looks like the New US Tariffs is mostly impacting discrete parts used by makers and small companies that are still producing in the US. So, if you need to buy such discrete parts in China do it quickly. Finished/Semi-Finished products are not impacted... (Drump effect...)
Source: https://www.bunniestudios.com/blog/?p=5349
List of impacted products: