3B Scientific U18557 Teltron Teltron Helium-Filled Planar Triode Tube S

3B Scientific

Electron tube filled with low-pressure helium gas Containing a thermionic cathode, control grid and anode This tube is for quantitative investigations of the typical properties Discontinuous energy release of helium atoms during inelastic collisions with free electrons Maximum heater voltage: 7.5 volts AC/DC