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5U4-G Pinout
basing pinout

 

5U4-G Substitutes
Close or identical 5U4, 5U4GT, CV575, CV841, VT244, VU71
Different rating or performance 5AS4, 5AS4A, 5U4GA, 5U4GB

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.

 

5U4-G Ratings
Vh Ih VaMax IkMax Notes
5 3.0 PIV=1550V 800 Tube drop = 44V @ 225mA DC

 

5U4-G Application Data
Class RMSin Irect
FW rectifier 450-0-450 225

 

5U4-G Data sheet links
Dave Cigna''s Pages (DuncanAmps mirror) 5U4GB: html
Duncan''s Amp Pages Various: Acrobat PDF (7 pages)
Peter Millett 5AS4: Acrobat PDF 27K  5U4-GB: Acrobat PDF 300K
National Valve Museum 5U4G: html, html2
oldradio.qrz.ru 5U4: MK buizen handboek  5U4G: Brans Vademecum
Frank Philipse 5U4G: .gif file, 121/5/5U4G.pdf, 137/5/5U4G.pdf  5AS4: 049/5/5AS4.pdf  5AS4A: Acrobat PDF
Frank Philipse (Pocnet mirror - Patrik Schindler) 5U4G: 5U4G.pdf (110623 bytes), 5U4G.pdf (23046 bytes) (fr), 5U4G.pdf (342763 bytes), 5U4G.pdf (56063 bytes)  5AS4: 5AS4.pdf (36141 bytes)  5AS4A: 5AS4A.pdf (120480 bytes), 5AS4A.pdf (145057 bytes), 5AS4A.pdf (38612 bytes)  5U4GB: 5R4GB.pdf (209863 bytes), 5U4GB.pdf (200623 bytes), 5U4GB.pdf (474101 bytes), 5U4GB.pdf (898939 bytes)
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 5U4G: 5U4G.pdf (110623 bytes), 5U4G.pdf (23046 bytes) (fr), 5U4G.pdf (342763 bytes), 5U4G.pdf (56063 bytes)  5AS4: 5AS4.pdf (36141 bytes)  5AS4A: 5AS4A.pdf (120480 bytes), 5AS4A.pdf (145057 bytes), 5AS4A.pdf (38612 bytes)  5U4GB: 5R4GB.pdf (209863 bytes), 5U4GB.pdf (200623 bytes), 5U4GB.pdf (474101 bytes), 5U4GB.pdf (898939 bytes)
Triode Electronics 5U4: gif1, gif2, gif3, gif4, gif5, gif6
TubeZone 5U4G: pdf
Virtual Valve Museum VU71: HTML page

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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