The 2N2646 is a transistor used for long time as trigger for SCR or low frequency oscillator.
Description
This an UJT kind transistor and it's the most popular in this type, used as oscillator or timer, it's encapsuled in metal envelope TO-18.
Manufacturer: GE, Sylvania or Comset
Part Number: 2N2646
Amps: .05
Voltage: 30
Watts: .3
Package: TO-18
Mounting: Through Hole
Number Leads/Terminals: 3
Color: Silver
Obsolete: Yes
Termination Method: 125