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CV2578 Pinout
basing pinout

 

CV2578 Substitutes
Close or identical 5687, CK5687, GE5687

Warning: Substitutes are given as a guide only - please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application.

 

CV2578 Ratings
Vh
V
Ih
A
VaMax
V
PaMax
W
Cgk
pF
Cak
pF
Cga
pF
6.3 0.9 300 4.2 4.0 0.6/0.5 4.0
12.6 0.45

 

CV2578 Application Data
Class Va
V
Vg1
V
Ia
mA
Ra
Ω
S
mA/V
A 180 -7.0 23.0 2,000 8.5
A 250 -12.5 12.0 3,000 5.4

 

CV2578 Data sheet links
Peter Millett 5687: Acrobat PDF 53K
The Valve Museum 5687: html
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 5687: 5687.pdf (191415 bytes), 5687.pdf (5320015 bytes) (fr), 5687.pdf (69427 bytes)
TubeZone 5687: pdf

Bold designators are close or identical, Italic designators are different ratings, different pinouts or different filament voltages. Please see the substitutes at the top of the page for more details

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