Electronic tube and vacuum tube catalog

Base

E7-1

Socket code

B7G

Electrical Summary

Heater	6.3 V / 175 mA
Plate	180 V / 1.7 W
Screen	140 V / 0.75 W
Ik max	18 mA
rP	250,000 Ω
gm	3.2 mA/V

Sections

1

7 pins - B7G - Miniature 7-contact

Ruggedized dual-control variable-mu pentode for mixer, controlled-amplifier, and specialized RF circuits. Independent control grids permit frequency conversion, gating, and gain-control functions, while extensive heater-cycling capability reflects demanding military and industrial service.

Base

7CM

Socket code

B7G

Electrical Summary

Heater	6.3 V / 175 mA
Plate	200 V / 1.65 W
Screen	155 V / 0.55 W
Ik max	20 mA
rP	110,000 Ω
gm	5 mA/V

Sections

1

7 pins - B7G - Miniature 7-contact

Ruggedized dual-control sharp-cutoff pentode for converter, modulator, gating, and AF/IF/RF amplification in military and industrial equipment. Its broad control applications outweigh any single radio-converter role.