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I tried to identify the component marked with "t 30" the SOT23 package. I looked for the "t" of "7" symbol in this list

and also tried smd marking search engine but couldn't find it.

enter image description here

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    \$\begingroup\$ Could be PDTC114Y NPN transistor? \$\endgroup\$ – GAttuso Jan 4 at 11:44
  • \$\begingroup\$ It might be but I couldn't find a meaning for the "t" symbol but the specs are what i expect so this could be it \$\endgroup\$ – Bruce Jan 4 at 12:49
  • \$\begingroup\$ The logo can be one of the unpopular Chinese brands'. \$\endgroup\$ – Rohat Kılıç Feb 20 at 5:16
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I was looking after the sign, but I could not find this item. But to my eye, it will be NPN or N-MOSFET transistor. The bottom right foot looks like it was connected to GND. The lower left leg as if it received a control signal (narrow path). In contrast, the upper leg as if it had a connected load (wider path). It looks like the NPN or N-MOSFET transistor as a key function.

NPN Transistor

N-MOSFET Transistor

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