Data set 01
1963 Siemens
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Heater voltage
6 V
Heater current
800 mA
Characteristics
Transconductance
16000 µS
Nominal/Bogey
Amplification factor
60
Nominal/Bogey
Voltage - Triode (single) ·Triode
8412
Air-cooled ceramic disc-seal metal-ceramic triode for oscillators, frequency multipliers, and amplifiers to approximately 7 GHz.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 6 V / 800 mA
Description
Air-cooled ceramic disc-seal triode of metal-ceramic design for oscillators, frequency multipliers and amplifiers to about 7 GHz.
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
- 6 V
- Nominal heater current
- 800 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
- Transconductance
- 0.016 S
- Amplification factor
- 60
- Max plate voltage
- 600 V
- Max plate dissipation
- 30 W
- Max grid dissipation
- 0.2 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.