TDSL Tube data [EZ81]

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EZ81 Pinout


Note: pins 2, 6, 8, and 9 are internal connections

EZ81 Substitutes

Close or identical

6CA4, CV3996, CV5072, U709

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.

EZ81 Ratings

Vh V	Ih A
6.3	1.0

EZ81 Application Data

Class	RMSin V	Irect mA	Cout uF	Rser Ω
FW rectifier	350-0-350	150	50	230

EZ81 Data sheet links

Peter Millett	6CA4: Acrobat PDF 97K
The Valve Museum	EZ81: html, html2, html3, html4
oldradio.qrz.ru	EZ81: MAZDA Valves & Picture Tubes Data, MK buizen handboek
Frank Philipse (Wildcat mirror - Jörg Jan Münter)	6CA4: 6BY6.pdf (790979 bytes), 6CA4.pdf (100420 bytes), 6CA4.pdf (283397 bytes), 6CA4.pdf (513540 bytes) EZ81: EZ81.pdf (175448 bytes), EZ81.pdf (188644 bytes), EZ81.pdf (470907 bytes) (cs), EZ81.pdf (55720 bytes), EZ81.pdf (56774 bytes) (fr), EZ81.pdf (608378 bytes) (fr), EZ81.pdf (652247 bytes), EZ81.pdf (73322 bytes) (de) U709: U709.pdf (140025 bytes)
TubeZone	6CA4: 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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