Data set 01
1968 General Electric Co
Published operating points and test conditions from this source.
SECTION 1
Pentode
Other
Typical Plate Voltage
250 V
Typical Screen Voltage
110 V
SECTION 2
Triode
Other
Typical Plate Voltage
150 V
Voltage Radio Detector Converter ·Pentode-Triode
6BR8
Triode-pentode designed for VHF television converter service, combining oscillator and mixer functions in one envelope.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- -
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 6.3 V / 450 mA
Description
Triode-pentode for VHF television converter service.
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
- 450 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
2 physical sections, each with unique specifications.
Section 1
Pentode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 400000 Ω
- Transconductance
- 0.0052 S
- Max plate voltage
- 300 V
- Max screen voltage
- 300 V
- Max plate dissipation
- 2.8 W
- Max screen dissipation
- 0.5 W
Section 2
Triode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 5000 Ω
- Transconductance
- 0.0085 S
- Amplification factor
- 40
- Max plate voltage
- 300 V
- Max plate dissipation
- 2.7 W
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.