Tube of the day (22.10.2017)
58 CV
vacuum photoelectric cell
Fotocathode : typeS 1; sensitive to red;Lmax = 800nm
S = 20ľA/lm; F = 1.1cm2
Maximum Ratings : Ua = 250V; Ik = 3.3ľA
Capacities : Cak = 3pF
typical Characteristics : Ua = 50V; Ra = 1 MOhm; Io < 50nA
applications : lightsensitive measuring, controlling and switching applications
 red  a
 black  k
     
     
     
     
     
     
  no base pin connections