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PCF80 Pinout
basing pinout

 

PCF80 Substitutes
Close or identical 9A8, CV8433
Different filament voltage 17A8, 8A8

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.

 

PCF80 Ratings
Vh Ih Cgk Cak Cga
9 0.3 2.5 1.8 1.5

 

PCF80 Application Data
Class Va Vg2 Vg1 Ia Ig2 Ra S
Triode 100 -2.0 14.0 4,000 5.0
Pentode 170 170 -2.0 10.0 2.8 400,000 6.2

 

PCF80 Data sheet links
National Valve Museum PCF80: html, html2, html3
oldradio.qrz.ru PCF80: MAZDA Valves & Picture Tubes Data, MK buizen handboek
Frank Philipse (Pocnet mirror - Patrik Schindler) 9A8: 9A8.pdf (229329 bytes)  PCF80: 9A8.pdf (160444 bytes), PCF80.pdf (139306 bytes) (fr), PCF80.pdf (1669106 bytes), PCF80.pdf (334080 bytes), PCF80.pdf (49758 bytes) (fr)
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 9A8: 9A8.pdf (229329 bytes)  PCF80: 9A8.pdf (160444 bytes), PCF80.pdf (139306 bytes) (fr), PCF80.pdf (1669106 bytes), PCF80.pdf (334080 bytes), PCF80.pdf (49758 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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