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EF183 Pinout
basing pinout

 

EF183 Substitutes
Close or identical 6EH7, CV5831
Different rating or performance EF811
Different filament voltage 3EH7, 4EH7

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.

 

EF183 Ratings
Vh
V
Ih
A
Cgk
pF
Cak
pF
Cga
pF
6.3 0.3 9.0 3.0 0.005

 

EF183 Application Data
Class Va
V
Vg2
V
Vg1
V
Ia
mA
Ig2
mA
Ra
Ω
S
mA/V
Pentode 190 90 -2.0 12.0 4.5 500,000 13.0

 

EF183 Data sheet links
Peter Millett 6EH7: Acrobat PDF 54K  3EH7: Acrobat PDF 25K  4EH7: Acrobat PDF 22K
The Valve Museum EF183: html, html2
oldradio.qrz.ru EF183: html page, MAZDA Valves & Picture Tubes Data, MK buizen handboek
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 6EH7: 6EH7.pdf (115239 bytes), 6EH7.pdf (146661 bytes), 6EH7.pdf (69574 bytes)  EF183: 6EA8.pdf (574278 bytes), EF183.pdf (138373 bytes) (fr), EF183.pdf (231493 bytes), EF183.pdf (688263 bytes)  3EH7: 3DK6.pdf (59716 bytes), 3EH7.pdf (152422 bytes), 3EH7.pdf (182083 bytes)  4EH7: 4EH7.pdf (154667 bytes), 4EH7.pdf (171844 bytes), 4EH7.pdf (44720 bytes)

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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