Data set 01
1963 Siemens
Published operating points and test conditions from this source.
SECTION 1
Tetrode
Characteristic
Typical Plate Voltage
220 V
Typical Screen Voltage
200 V
Typical Plate Current
42 mA
Typical Screen Current
5 mA
Power - Tetrode (NOT beam) ·Tetrode
E2E
Indirectly heated power tetrode designed for output-amplifier service. Siemens documentation identifies it as a genuine load-driving power device rather than a small-signal tetrode.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- G9K
- Base pins
- -
- Nominal heater
- 18 V / 360 mA
Description
Indirectly heated tetrode for power-amplifier service.
Socket description
EU-Telephone 9-pin, Siemens
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- G9K
- Base pins
- -
- Nominal heater voltage
- 18 V
- Nominal heater current
- 360 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
Tetrode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 40000 Ω
- Transconductance
- 0.0105 S
- Amplification factor
- 22
- Max plate voltage
- 300 V
- Max screen voltage
- 300 V
- Max plate dissipation
- 10 W
- Max screen dissipation
- 1.5 W
- Max cathode current
- 75 mA
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.