Can anyone please identify part with marking code "ZO" "607" it has 6 pins and I think the package is WLCSP.

Part ZO 607

  • \$\begingroup\$ Well, google seems to want to suggest it is a triac. (But, of course, the package doesn't match up.) Just FYI to others who might try a search. \$\endgroup\$
    – jonk
    Aug 30, 2019 at 3:21
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    \$\begingroup\$ please post a picture \$\endgroup\$
    – jsotola
    Aug 30, 2019 at 3:33
  • \$\begingroup\$ Thank you all for your help. This is a photo of the IC on a board. link \$\endgroup\$
    – MohAH
    Aug 30, 2019 at 13:26
  • \$\begingroup\$ may be you can search them here www.smdmarkingcodes.com for 【marking code】【smd code】 \$\endgroup\$
    – flcs2020
    Jan 29, 2021 at 9:32

1 Answer 1


Could it be ZQ? From what I can see the pinout looks like it could match.

"MIC94165YCS - ZQ - 1.5mm × 1mm 6-Ball WLCSP" http://static6.arrow.com/aropdfconversion/49e0c46145f1e0fbafdc3eb2279f6f3a5b83b03c/141mic9416x.pdf

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    \$\begingroup\$ looks like a 'Q' to me... \$\endgroup\$ Aug 31, 2019 at 7:53
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    \$\begingroup\$ Thank you very very very... much @Narkeleptk. Yes it's match perfectly. Size match, pin-out match and marking code is actually ZQ not ZO. I don't have microscope yet but after I took the picture I noticed that ZQ is a possibility, but I had no success finding the component either way. could you please tell me how did you find this component ?? Thank you again you made my day. \$\endgroup\$
    – MohAH
    Aug 31, 2019 at 12:26
  • \$\begingroup\$ It just happened to pop up on google for me. I don't remember my search terms. I think it was just: WLCSP ZQ datasheet. \$\endgroup\$
    – narkeleptk
    Aug 31, 2019 at 12:29

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