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4BC8 Pinout
basing pinout

 

4BC8 Substitutes
Different filament voltage 6BC8

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.

 

4BC8 Ratings

No information available

4BC8 Application Data
Va Ia Ra S Rk
150 10 5,300 6.2 220

 

4BC8 Data sheet links
Peter Millett 4BC8: Acrobat PDF 28K  6BC8: Acrobat PDF 279K
oldradio.qrz.ru 4BC8: MK buizen handboek
Frank Philipse (Pocnet mirror - Patrik Schindler) 4BC8: 4AU6.pdf (78001 bytes), 4BC8.pdf (179956 bytes), 6BC4.pdf (510539 bytes), 6BC8.pdf (143891 bytes), 6BC8.pdf (374695 bytes)  6BC8: 6BC8.pdf (171008 bytes), 6BC8.pdf (258151 bytes)
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 4BC8: 4AU6.pdf (78001 bytes), 4BC8.pdf (179956 bytes), 6BC4.pdf (510539 bytes), 6BC8.pdf (143891 bytes), 6BC8.pdf (374695 bytes)  6BC8: 6BC8.pdf (171008 bytes), 6BC8.pdf (258151 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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