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E80T beam deflection tube

Size
This valve measures 70x20mm overall and has a B9A base

Heater voltage6.3V
Heater current150mA
Max operating anode voltage330V
Max operating (g3 + g4) voltage330V
Max operating g2 voltage100V
Typical operating characteristics
Anode voltage100V
g3+g4 voltage250V
Grid 2 voltage70V
Grid 1 voltage0V
Deflector voltage120V
Deflector ' voltage120V
Anode current1.35 ±0.45mA
Cathode current2.0mA

The valve must not be subjected to a magnetic field greater than 1 gauss

PinFunction
1Grid 3, grid 4
2Grid 1
3Cathode + grid 5
4Heater
5Heater
6Grid 2
7Deflector '
8i/c
9Deflector
TCAnode

See also E4T which appears structurally identical. The only visible difference between the two is the presence of a getter deposit on the E4T but not the E80T.

See also: http://www.sm5cbw.se/tubes/htm/e80t.htm

E80T

Donated by Åke Holm

This file was last modified15:21:55, Tuesday September 02, 2014