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VT277 Pinout
basing pinout

 

VT277 Substitutes
Close or identical 417
Different rating or performance 417A, 5842, CK5842, CV2642, CV3789

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.

 

VT277 Ratings

No information available

VT277 Application Data
Class Va Ia S
Triode 180 25.0 25.0

 

VT277 Data sheet links
Peter Millett 417A: Acrobat PDF 43K
National Valve Museum 417A: html
Frank Philipse (Pocnet mirror - Patrik Schindler) 5842: 5842.pdf (109704 bytes), 5842.pdf (2606101 bytes), 5842.pdf (55126 bytes)  CK5842: 5842.pdf (484027 bytes)
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 5842: 5842.pdf (109704 bytes), 5842.pdf (2606101 bytes), 5842.pdf (55126 bytes)  CK5842: 5842.pdf (484027 bytes)
Triode Electronics 417A: gif1, gif2, gif3, gif4, gif5

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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