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4300B Pinout
basing pinout

 

4300B Substitutes
Close or identical 300B, 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.

 

4300B Ratings
Vh Ih VaMax PaMax Cgk Cak Cga
5 1.2 450 40 9.0 4.3 15.0

 

4300B Application Data
Class Va Vg1 Ia Ra S
A 300 -61.0 60.0 700 5.5

 

4300B Data sheet links
Dave Cigna''s Pages (DuncanAmps mirror) 300B: html
Frank Philipse (Pocnet mirror - Patrik Schindler) 300B: 300B.pdf (137897 bytes), 300B.pdf (178412 bytes)
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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