1 A 3 (DA 90)
diode
Heater : indirect; Uf = 1.4V; If = 0.15A;Ufk = 100V
Maximum Ratings : Ua = -365V;Ia = 0.55mA;Ias = 5.5mA
Measured Data: Ua = 4V;Ia = 0.6mA
applications : diode for rf- and measuring rectifier up to 1ghz
 1  f      
 2  a      
 3  k      
 4  -      
 5  -      
 6  a      
 7  f      
        
detailed data
on the Tube CD
B7G pin connections