TDSL Tube data [PCF80]

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PCF80 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 V	Ih A	Cgk pF	Cak pF	Cga pF
9	0.3	2.5	1.8	1.5

PCF80 Application Data

Class	Va V	Vg2 V	Vg1 V	Ia mA	Ig2 mA	Ra Ω	S mA/V
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

The Valve Museum	PCF80: html, html2, html3
oldradio.qrz.ru	PCF80: MAZDA Valves & Picture Tubes Data, MK buizen handboek
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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