6C4
The 6C4 (European: EC90) (P/N 154-0029-00) is a VHF triode vacuum tube with a 6.3 V, 150 mA heater and a miniature B7G 7-pin base.
The 6135 is a high-rel version with higher heater current.
The 6C4 (European: EC90) (P/N 154-0029-00) is a VHF triode vacuum tube with a 6.3 V, 150 mA heater and a miniature B7G 7-pin base.
The 6135 is a high-rel version with higher heater current.