Power Pentode
The 7054 / 8077 Vacuum tube is a miniature type used as a
class C RF amplifier, oscillator and frequency
multiplier up to 40 MHz in mobile communications
equipment. It requires a miniature 9-contact socket.
Electrical Data:
Heater Voltage ...................... 12-15 V
Heater Current ...................... 0.275 A
Preferred Substitutes ......................... 8077