27th Nov 2022, 6:17 pm
|
#5
|
|
Pentode
Join Date: Oct 2016
Location: Maldon, Essex, UK.
Posts: 184
|
Re: Voltage Detector IC?
The logoミツミ reads Mitsumi. It looks like a PST520 for System Resetting. The D suffix indicates 4.2V Typical.
https://www.radiomuseum.org/tubes/tube_pst520.html
|
|
|