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5R4-GYB Pinout
basing pinout


5R4-GYB Substitutes
Different rating or performance 5R4, 5R4G, 5R4GY, 5R4GYA, 5R4GYS, 5R4WGY, CV10330, CV2835, CV5181, CV717, CV8189, CV8204, WT274B

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.


5R4-GYB Ratings
Vh Ih VaMax IkMax Notes
5 2.0 PIV=3100V 715 Tube drop = 63V @ 250mA DC


5R4-GYB Application Data
Class RMSin Irect
FW rectifier 900-0-900 250


5R4-GYB Data sheet links
Duncan''s Amp Pages 5R4GY/GYB: Acrobat PDF (1 page)  Vade Mecum s.408: Acrobat PDF (2 pages)  Various: Acrobat PDF (7 pages)
Peter Millett 5R4GYB: Acrobat PDF 365K  5R4GY: Acrobat PDF 141K
National Valve Museum 5R4GY: html
oldradio.qrz.ru 5R4: MK buizen handboek
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 5R4GYB: 5R4GYB.pdf (286979 bytes)  5R4G: 5R4G.pdf (64365 bytes)  5R4GY: 5R4GY.pdf (105844 bytes), 5R4GY.pdf (156596 bytes), 5R4GY.pdf (161736 bytes), 5R4GY.pdf (61513 bytes)  5R4GYA: 5R4GYA.pdf (126367 bytes)
TubeZone 5R4GYB: 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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