TDSL Tube data [6C4]

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6C4 Pinout

6C4 Substitutes

Close or identical

CV133, CV852, EC90, L77

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.

6C4 Ratings

Vh	Ih	Cgk	Cak	Cga
6.3	0.15	1.8	1.3	1.6

6C4 Application Data

Va	Vg1	Ia	Ra	S
250	-8.5	10.5	7,700	2.2

6C4 Data sheet links

Peter Millett	6C4: Acrobat PDF 254K
National Valve Museum	6C4: html, html2, html3
oldradio.qrz.ru	6C4: MK buizen handboek
Frank Philipse (Pocnet mirror - Patrik Schindler)	6C4: 6BY6.pdf (790979 bytes), 6C4.pdf (188330 bytes), 6C4.pdf (213770 bytes), 6C4.pdf (370609 bytes), 6C4.pdf (46301 bytes) EC90: EC90.pdf (138825 bytes) L77: L77.pdf (230994 bytes)
Frank Philipse (Wildcat mirror - Jörg Jan Münter)	6C4: 6BY6.pdf (790979 bytes), 6C4.pdf (188330 bytes), 6C4.pdf (213770 bytes), 6C4.pdf (370609 bytes), 6C4.pdf (46301 bytes) EC90: EC90.pdf (138825 bytes) L77: L77.pdf (230994 bytes)
TubeZone	6C4: pdf

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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