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300-B Pinout
basing pinout


300-B Substitutes
Close or identical 4300B, AV300B, WE300B

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.


300-B Ratings
Vh Ih VaMax PaMax Cgk Cak Cga
5 1.2 450 40 9.0 4.3 15.0


300-B Application Data
Class Va Vg1 Ia Ra S
A 300 -61.0 60.0 700 5.5


300-B Data sheet links
Dave Cigna''s Pages (DuncanAmps mirror) 300B: html
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 300B: 300B.pdf (137897 bytes), 300B.pdf (178412 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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