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18C51 Pinout
No information available


18C51 Substitutes
Different filament voltage 2C51, 396A, 6385, 6854, 6CC42, 6N3P*, CV2831

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.


18C51 Ratings

No information available

18C51 Application Data

No information available

18C51 Data sheet links
Duncan''s Amp Pages Vade Mecum s. 330: Acrobat PDF (1 page)  5670: Acrobat PDF (6 pages)
Peter Millett 5670: Acrobat PDF 339K
oldradio.qrz.ru 6CC42: html page
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 2C51: 2C51.pdf (1950668 bytes), 2C51.pdf (210419 bytes)  5670: 5670.pdf (142118 bytes), 5670.pdf (380277 bytes), 5670.pdf (560572 bytes)  5670WA: 5670WA.pdf (231871 bytes), 5670WA.pdf (243960 bytes)  6385: 6385.pdf (415820 bytes)  6854: 6854.pdf (40431 bytes)  6CC42: 6CC42.pdf (1103347 bytes) (cs)  CK5670WA: 5670WA.pdf (509405 bytes)  GL5670: 5670.pdf (651848 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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