Opto-coupler for DIs


Author Message
PhenixRising
Guru

Joined: 07/11/2023
Location: United Kingdom
Posts: 1893
Posted: 07:18am 24 Jun 2025      

I am using the PC817 for digital inputs. Would an If ~5mA suffice? The datasheet warns about <1mA and I want to be safe.

PC817.pdf