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PY500/A Pinout

 

PY500/A Substitutes
Close or identical 42EC4A
Different rating or performance PY500
Different filament voltage 6EC4A, EY500A

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.

 

PY500/A Ratings

No information available

PY500/A Application Data

No information available

PY500/A Data sheet links
Duncan''s Amp Pages EY500A/PY500A: Acrobat PDF (1 page)
National Valve Museum PY500A: html
oldradio.qrz.ru PY500: MK buizen handboek
Frank Philipse (Pocnet mirror - Patrik Schindler) PY500A: PY500A.pdf (115271 bytes), PY500A.pdf (51609 bytes) (fr), PY500A.pdf (69083 bytes)  PY500: PY500.pdf (129777 bytes), PY500.pdf (63839 bytes)  EY500A: EY500A.pdf (103321 bytes), EY500A.pdf (14992 bytes), EY500A.pdf (216796 bytes) (fr)
Frank Philipse (Wildcat mirror - Jörg Jan Münter) PY500A: PY500A.pdf (115271 bytes), PY500A.pdf (51609 bytes) (fr), PY500A.pdf (69083 bytes)  PY500: PY500.pdf (129777 bytes), PY500.pdf (63839 bytes)  EY500A: EY500A.pdf (103321 bytes), EY500A.pdf (14992 bytes), EY500A.pdf (216796 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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