The KT77
Specification and max ratings(*)
Filament Voltage
6.3
V
Filament Current
1.5
A
Plate Voltage (max)
800
V
Plate Current (max)
140
mA
Plate Dissipation (max)
25
W
Screen Voltage (max)
425
V
Screen Current (max)
50
mA
Screen Dissipation (max)
8
W
 
(*) These specifications are provided 'as-is', with no warranty of any kind. Use of these parameters shall be entirely at the user's own risk.

KT77 triode mode connection.
KT77 Curves
KT77 ultralinear mode connection.
KT77 Curves
KT77 penthode mode connection.
KT77 Curves
 

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