| Filament voltage |
*2.5V |
| Nominal filament current |
2.5A |
| Plate voltage |
300V |
| Grid voltage (AC filament) |
**61V |
| Grid voltage (DC filament) |
***58V |
| Plate current |
60mA |
| Plate current |
62.5 mA |
| Grid to plate transconductance |
5700 ohms |
| Amplification factor |
3.85 |
| Grid current |
0.05 A |
| Plate resistance |
700 ohms |
Limiting Operation conditions for safe operation-nor simultaneous ratings:
| Maximum plate voltage |
450 volts |
| Maximum plate dissipation |
40 watts |
| Maximum plate current of average tube for fixed grid bias |
70 ma |
| Maximum plate current for manually adjusted grid or self-biasing circuit |
100 ma |
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