Electronic tube and vacuum tube catalog

Base

7CY

Socket code

B7G

Sections

1

Heater

1.25 V / 330 mA

Plate

150 V / 3 W

Screen

135 V

Ik max

25 mA

gm

1.7 mA/V

μ

4.1

7 pins - B7G - Miniature 7-contact

Directly heated instant-start beam-power pentode for portable or mobile RF amplification, oscillation, and frequency multiplication, capable of Class-C output around 100 MHz.

Base

Refer to variations

Socket code

WIRE8

Sections

1

Heater

1.25 V / 330 mA

Plate

150 V / 3 W

Screen

150 V / 1.1 W

Ik max

32 mA

rP

22,000 Ω

gm

2.15 mA/V

8 pins - WIRE8 - Subminiature all-glass 8-wire lead family

Battery RF output pentode designed for Class-C amplifier and oscillator service. Its directly heated construction provides radio-frequency power generation from portable battery supplies.