What the line points to
The OMRON NJ301-FW108-STD sits in the Temperature & Process Controllers sub-category of Control Devices, which is where panel-builders source the loop controller for a heated segment, a furnace profile, or a multi-zone process skid. Lifecycle entry reads current, so the part is still being put on the shipping manifest by the manufacturer rather than funnelled through a broker channel.
Sourcing posture
No official successor or replacement is recorded against this MPN, so a re-spec move would need a fresh engineering decision rather than a drop-in cross.
Where it sits in a panel
As a temperature/process controller the NJ301-FW108-STD typically carries the loop tuning, setpoint profile, and alarm handling for the thermal stage it is wired into, leaving the upstream PLC to read process variables over its field interface rather than duplicating control.