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7Y4 Pinout
basing pinout

 

7Y4 Substitutes
Close or identical CV901, U149

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.

 

7Y4 Ratings
Vh
V
Ih
A
6.3 0.5

 

7Y4 Application Data
Class RMSin
V
Irect
mA
Cout
uF
Rser
Ω
FW rectifier 325-0-325 70 40 525

 

7Y4 Data sheet links
The Valve Museum 7Y4: html
oldradio.qrz.ru 7Y4: MK buizen handboek
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 7Y4: 7S7.pdf (115478 bytes), 7Y4.pdf (113007 bytes) (fr), 7Y4.pdf (119398 bytes), 7Y4.pdf (92286 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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