Please help me find out what models these devices are.

Dasea

Please help me find out what models these devices are. [Copy link]

The silk screens of these components are basically not available on the Internet. Please tell me the model numbers.

sfcsdc

Recommend a website to you

Chip silk screen reverse check website - IC chip silk screen, IC chip code, IC chip printing, IC chip top mark, SMD code, marking code, top mark
http://www.smdmark.com/

曹伟1993

I only found this one, but not the other two. Please look for them again.

伟林电源

There are many privately packaged things that cannot be found officially.

电源芯片丝印反查型号

These are not difficult to check. If you have just registered, do you need to check them? If you need, I can help you check them.

zjxieyanjun

In the company I worked for before, I had to ask the supplier to print the ICs myself, and I couldn't find any information.