TDSL Tube data [12BY7-A]

Menu

Information

12BY7-A Pinout

12BY7-A Substitutes

Different rating or performance

12BV7, 12BY7, 12DQ7, 7733, EL180

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.

12BY7-A Ratings

Vh	Ih	VaMax	Vg2Max	PaMax	Pg2Max	Cgk	Cak	Cga
12.6	0.3	330	190	6.5	1.2	10.2	3.5	0.063
6.3	0.6

12BY7-A Application Data

Class	Va	Vg2	Ia	Ig2	Ra	S	Rk
A	250	180	26.0	5.75	93,000	11.0	100

12BY7-A Data sheet links

Dave Cigna''s Pages (DuncanAmps mirror)	12BY7A: html
Peter Millett	12BY7-A: Acrobat PDF 191K
National Valve Museum	12BY7A: html
oldradio.qrz.ru	12DQ7: MK buizen handboek
Frank Philipse (Wildcat mirror - Jörg Jan Münter)	12BY7A: 12BY7A.pdf (167243 bytes), 12BY7A.pdf (180551 bytes), 12BY7A.pdf (279102 bytes), 12BY7A.pdf (439122 bytes) 12BV7: 12BV7.pdf (471128 bytes) 12DQ7: 12DQ7.pdf (283713 bytes), 12DQ7.pdf (452882 bytes) 7733: 7733.pdf (244325 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

Version: PHP release 1.15 04-Sep-2023