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CV1247

Sensibly equivalent to:
NT83
    
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The CV1247 is a directly heated transmitting triode with a pure tungsten filament. Connections are by flying leads. Full power rating is to 3 MHz byt useful power can be obtained at up to 60 MHz. The old service code is NT83.
Reference: Data-sheet.

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
μ
14.0
6.0
2,000
-
300
2,750
2.4
6.6
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated April 01, 2015.
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