TDSL Tube data [EF85]

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EF85 Pinout

EF85 Substitutes

Close or identical	6F19, 6F26, CV1375, W719
Different rating or performance	6BY7

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.

EF85 Ratings

Vh V	Ih A	Cgk pF	Cak pF	Cga pF
6.3	0.3	7.2	3.7	0.007

EF85 Application Data

Class	Va V	Vg2 V	Vg1 V	Ia mA	Ig2 mA	Ra Ω	S mA/V
Pentode	250	100	-2.0	10.0	2.5	500,000	6.0

EF85 Data sheet links

The Valve Museum	EF85: html
oldradio.qrz.ru	EF85: MAZDA Valves & Picture Tubes Data, MK buizen handboek
Frank Philipse (Wildcat mirror - Jörg Jan Münter)	6BY7: 6BY7.pdf (237616 bytes) 6F26: 6F26.pdf (77399 bytes) EF85: EF85.pdf (190181 bytes), EF85.pdf (365024 bytes) (fr), EF85.pdf (79492 bytes) (fr), EF85.pdf (90236 bytes)

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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