Data set 01
1963 Siemens
Published operating points and test conditions from this source.
SECTION 1
Tetrode
Capacitance
Input capacitance
18 pF
TetrodeConnection
Output capacitance
12 pF
TetrodeConnection
Grid-to-plate capacitance
0.8 pF
Maximum
Power - Tetrode (NOT beam) ·Tetrode
F2A11
High-slope power tetrode for single-ended, push-pull, and broadband output amplifiers, also suitable for pulse circuits and regulator amplifiers. Its construction supports diverse professional power applications.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- G8A
- Base pins
- 8
- Nominal heater
- 6.3 V / 2 A
Description
High-slope power tetrode especially suited as an output tube in single-ended, push-pull and broadband power amplifiers, and also for pulse circuits and regulator amplifiers.
Socket description
German Stahl 8-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- G8A
- Base pins
- 8
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 2 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
1 physical section, each with unique specifications.
Section 1
Tetrode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 2300 Ω
- Transconductance
- 0.018 S
- Max plate voltage
- 600 V
- Max screen voltage
- 425 V
- Max plate dissipation
- 30 W
- Max screen dissipation
- 5 W
- Max cathode current
- 140 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.