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GZ31 Pinout
basing pinout

 

GZ31 Substitutes
Close or identical 5V4G, 5V4GA, CV593, GZ32, VT206A

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.

 

GZ31 Ratings
Vh Ih
5 3.0

 

GZ31 Application Data
Class RMSin Irect Cout Rser
FW rectifier 450-0-450 225 32 75

 

GZ31 Data sheet links
Dave Cigna''s Pages (DuncanAmps mirror) 5V4GA: html
Duncan''s Amp Pages Vade Mecum s.408: Acrobat PDF (2 pages)
Peter Millett 5V4-GA: Acrobat PDF 130K
National Valve Museum GZ32: html
oldradio.qrz.ru 5V4G: Brans Vademecum  GZ32: MK buizen handboek
Frank Philipse 5V4G: .gif file, 049/5/5V4G.pdf
Frank Philipse (Pocnet mirror - Patrik Schindler) 5V4G: 5V4G.pdf (101800 bytes), 5V4G.pdf (20939 bytes) (fr), 5V4G.pdf (287689 bytes), 5V4G.pdf (54423 bytes), 5V4G.pdf (92888 bytes)  5V4GA: 5V4GA.pdf (144264 bytes), 5V4GA.pdf (199455 bytes), 5V4GA.pdf (59851 bytes)  GZ32: GZ32.pdf (366562 bytes) (fr), GZ32.pdf (55395 bytes) (fr), GZ32.pdf (92572 bytes)
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 5V4G: 5V4G.pdf (101800 bytes), 5V4G.pdf (20939 bytes) (fr), 5V4G.pdf (287689 bytes), 5V4G.pdf (54423 bytes), 5V4G.pdf (92888 bytes)  5V4GA: 5V4GA.pdf (144264 bytes), 5V4GA.pdf (199455 bytes), 5V4GA.pdf (59851 bytes)  GZ32: GZ32.pdf (366562 bytes) (fr), GZ32.pdf (55395 bytes) (fr), GZ32.pdf (92572 bytes)
TubeZone 5V4G: 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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