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X79

Sensibly equivalent to:
CV5115
    
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The X79 is a triode hexode frequency changer or mixer. The triode control grid is connected internally to the oscillator injection grid (g3) of the hexode.
The Osram brand label of the M-OV company.
The thin glass tube envelope is 21 mm in diameter, and excluding the B9A base pins is 48 mm tall.
References: Datasheet & 1040. Type X79 was first introduced in 1950.

 

Pin Connections
B9A
1
2
3
4
5
6
7
8
9
g2,g4
g1
k
h
h
a(h)
g1(t),g3
a(t)
ic

 

Absolute Maximum Operating Conditions
Hexode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
6.3
0.3
250
100
0
4.5
3.4
0.7M
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated June 25, 2013.
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