For sale are four ( 4 pcs ) extremely rare, genuine Siemens C1980A Controlled avalanche rectifier diodes - 1.2KV 1.8A
NOS, made in 70s, very, very good rectifier diodes for tube amps and other tube devices.
Model: Siemens C1980A
Country/Region of Manufacture: Germany
Brand: Siemens
Type: Avalanche Diode