- Base
- Refer to variations
- Socket code
- B5D
- Sections
- 1
- Heater
- 1.25 V / 10 mA
- Plate
- 30 V / 0.05 W
- Screen
- 30 V / 0.01 W
- Ik max
- 0.5 mA
- rP
- 420,000 Ω
- gm
- 0.3 mA/V
5 pins - B5D - Subminiature wire-ended
Directly heated subminiature low-power pentode. Manufacturer operating tables document compact signal-amplifier service with low heater demand, making it suitable for miniature equipment where power consumption and physical size are constrained.