Data set 01
1968 General Electric Co
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
e e Moas lrod qu
150 V
Triode - HV Shunt Regulator ·Triode
A2293
Low-impedance triode designed particularly as the series-pass valve in stabilized electronic power supplies.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 6.3 V / 950 mA
Description
The A2293 is a low-impedance triode particularly suitable as the series valve in stabilised power packs.
Socket description
Small-button Noval 9-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B9A
- Base pins
- 9
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 950 mA
- 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
1 physical section, each with unique specifications.
Section 1
Triode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 375 Ω
- Transconductance
- 0.012 S
- Amplification factor
- 4.5
- Max plate dissipation
- 15 W
- Max cathode current
- 120 mA
Sparse magazine product announcement; published numerical maximum is anode/plate dissipation 15 W. Graphical operating curves are source content but no complete tabular characteristics block is reproduced.
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.