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5U4-GB Pinout
basing pinout


5U4-GB Substitutes
Different rating or performance 5AS4, 5AS4A, 5U4, 5U4G, 5U4GA, 5U4GT, CV575, CV841, VT244, VU71

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-GB Ratings
Vh Ih VaMax IkMax Notes
5 3.0 PIV=1550V 1000 Tube drop = 50V @ 275mA DC


5U4-GB Application Data
Class RMSin Irect
FW rectifier 450-0-450 275


5U4-GB Data sheet links
Dave Cigna''s Pages (DuncanAmps mirror) 5U4GB: html
Duncan''s Amp Pages Various: Acrobat PDF (7 pages)
Peter Millett 5U4-GB: Acrobat PDF 300K
National Valve Museum 5U4GB: html
Frank Philipse 5U4GB: Acrobat PDF
TubeZone 5U4GB: pdf


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