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921 photocell

This valve measures 42x21mm overall

Spectral responseS-1
Wavelength of maximum response8000 ± 1000 Angstroms
Direct interelectrode capacitance1pF
Max anode supply voltage90V
Max peak cathode current10µA
Max peak cathode current density100µA/
Max average cathode current3µA
Max ambient temperature100°C
Max dark current at 90V0.1µA
Gas amplification factor10

Referring to the photo, the cathode connector is at the top

Quarter view Quarter view

Donated by John Kaesehagen

This file was last modified15:59:46, Tuesday September 02, 2014