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EF40 Pinout
No information available

 

EF40 Substitutes
Close or identical CV3885

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.

 

EF40 Ratings

No information available

EF40 Application Data

No information available

EF40 Data sheet links
The Valve Museum EF40: html
oldradio.qrz.ru EF40: MK buizen handboek
Frank Philipse (Wildcat mirror - Jörg Jan Münter) EF40: EF40.pdf (115687 bytes) (fr), EF40.pdf (145493 bytes), EF40.pdf (396132 bytes), EF40.pdf (54610 bytes) (fr)

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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