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7733 Pinout
basing pinout


7733 Substitutes
Different rating or performance 12BV7, 12BY7, 12BY7A, 12DQ7, 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.


7733 Ratings

No information available

7733 Application Data
Class Va Vg2 Ia Ig2 Ra S Rk
A 250 180 26.0 5.75 93,000 11.0 100


7733 Data sheet links
Dave Cigna''s Pages (DuncanAmps mirror) 12BY7: 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) 7733: 7733.pdf (244325 bytes)  12BV7: 12BV7.pdf (471128 bytes)  12BY7A: 12BY7A.pdf (167243 bytes), 12BY7A.pdf (180551 bytes), 12BY7A.pdf (279102 bytes), 12BY7A.pdf (439122 bytes)  12DQ7: 12DQ7.pdf (283713 bytes), 12DQ7.pdf (452882 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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