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archive vacuum tubes

Piedinatura e collegamenti

Base: UX-Base (4 Pins (2 thick, USA 1924)

Note tecniche
  • Similar to 300A with locating pin rotated 43 degrees toward pin 3.

Dati elettrici

Filamento

Tensione filamento Vh
5 V
Corrente filamento Ih
1.2 A

Limiti massimi

Tensione anodica massima Va max
450 V
Dissipazione anodica massima Pa max
40 W

Capacità interne

Capacità griglia-catodo Cgk
9 pF
Capacità anodo-catodo Cak
4.3 pF
Capacità griglia-anodo Cga
15 pF

Sostituti

Equivalenti

Altre varianti disponibili

Datasheet PDF

PDF Language Pages Manufacturer
300B.pdf 6
300B.pdf 1

EL84 ECC83 12AX7 EL34 6L6GC 300B KT88 GZ34

123,884 Catalog valves
19,396 Stored valve datasheets

How to use the Valve Archive

EnryLab Valve Archive allows you to search for PDF datasheets and technical documentation by entering the exact code of a vacuum tube. Enter codes such as EL84, ECC83, 12AX7, 6L6GC, or 300B to view variants, manufacturers, and documents available in the technical archive. The search uses exact matches, thus avoiding partial or irrelevant results and making it easier to find the correct datasheet.

Datasheet PDF and frequent searches

The most searched acronyms have dedicated and indexable pages, with clean URLs and linked documentation. You can start with frequent searches to quickly consult the most used valves in the audio, radio, and technical restoration fields.