Medium-Mu Triode
The 6BC4 Vacuum tube is a miniature type used as an RF
amplifier in cathode-drive circuits of UHF television
tuners covering the frequency range 470 to 890 MHz. They
require a miniature 9-contact socket.
Electrical Data:
Heater Voltage ................................ 6.3 V
Heater Current .............................. 0.225 A
Maximum Heater-Cathode Voltage ................. 75 V