Electronic tube and vacuum tube catalog

Base

5E

Socket code

UX5

Sections

1

Heater

2.5 V / 1.75 A

Plate

250 V

Screen

90 V

rP

400,000 Ω

gm

1.05 mA/V

μ

420

5 pins - UX5 - Small 5-contact

Variable-mu or remote-cutoff screen-grid tetrode for controlled RF or IF voltage amplification, permitting smooth receiver gain control over an extended grid-bias range.

Base

5E

Socket code

UX5

Sections

1

Heater

2.5 V / 1.75 A

Plate

275 V

Screen

90 V

rP

400,000 Ω

gm

1.05 mA/V

5 pins - UX5 - Small 5-contact

Tetrode documented in Raytheon receiving-tube sources. Available manufacturer material in the current record does not establish a narrower functional application confidently enough for recategorization.