Product Overview
These are in tons of circuits! They go very well in the muff circuit, too. Possibly Philips brand (unmarked), BC109C in the TO-18 metal can. This version has hfe in the 350-900 range (most tested are 550-750).
These are in tons of circuits! They go very well in the muff circuit, too. Possibly Philips brand (unmarked), BC109C in the TO-18 metal can. This version has hfe in the 350-900 range (most tested are 550-750).
