Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 5 V / 2.8 A
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater voltage
- 5 V
- Nominal heater current
- 2.8 A
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
Terminal pinout
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
Section ratings
2 physical sections, each with unique specifications.
Section 1
Rectifier
X-ray radiationInterelectrode capacitances
- Rectifier nominal output current
- 250 mA
Full-wave rectifier first diode; capacitor input 250 mA, choke input 350 mA (whole tube).
Section 2
Rectifier
X-ray radiationInterelectrode capacitances
- Rectifier nominal output current
- 250 mA
Full-wave rectifier second diode; shared heater.
Source-dependent data
Operating conditions by source
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.