NJK2221 / NJK2221A (φ8mm Electron Gun)

Electron Guns

NJK2221 / NJK2221A

image image
Cathode type
Dispenser cathode
(Barium impregnated cathode)
Cathode diameter / Area
φ 8 mm / 0.5 cm2
Grid
Included
Other features
Ir coated cathode
NJK2221A : with flange

Specifications

Items Parameters
Heater voltage 6.7 V
Heater current 1.6 A
Current density 8 A/cm2
Flange type ICF-70 (NJK2221A only)