The 6J2 is a side‑heated oxide cathode pentode designed for mixed‑frequency and wide‑band high‑frequency voltage amplification. The datasheet provides basic electrical parameters, maximum ratings, and inter‑electrode capacitance values.
Key data include filament conductance, second grid voltage, cathode resistance, and maximum anode dissipation. These figures help designers select appropriate operating points for reliable tube performance. This manual is written in Chinese.
| Filament conductance | 6.3 |
|---|---|
| Second grid voltage (Do) | 120 V |
| Cathode resistance | 200 Ω |
The filament conductance is 6.3.
The maximum second grid voltage is 120 V.
The cathode resistance is 200 Ω.