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12FQ7 Pinout
basing pinout


12FQ7 Substitutes
Different filament voltage 6FQ7, 8FQ7

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.


12FQ7 Ratings
Vh Ih VaMax PaMax Cgk Cak Cga Notes
12.6 0.3 330 4.0 2.4 0.34/0.26 3.6/3.8 Pa total = 5.7W


12FQ7 Application Data
Class Va Vg1 Ia Ra S
A 250 -8.0 9.0 7,700 2.6
A 90 0.0 10.0 6,700 3.0


12FQ7 Data sheet links
Peter Millett 12FQ7: Acrobat PDF 11K  6FQ7: Acrobat PDF 241K  8FQ7: Acrobat PDF 26K
oldradio.qrz.ru 8FQ7: MK buizen handboek
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 12FQ7: 12FQ7.pdf (14276 bytes), 6FQ7.pdf (132542 bytes)  6FQ7: 6FQ7.pdf (107751 bytes), 6FQ7.pdf (212247 bytes), 6FQ7.pdf (317701 bytes), 6FQ7.pdf (450974 bytes)  8FQ7: 8FQ7.pdf (108638 bytes), 8FQ7.pdf (72118 bytes)
Triode Electronics 6FQ7: gif1, gif2, gif3, gif4

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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