Data set 01
1950 Sylvania
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Application
Service
Horizontal deflection amplifier
Power - TV Horizontal Output (sweep) ·BeamPower
6CB5
High-perveance beam-power tube designed as a horizontal-deflection amplifier in color television receivers.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- 8GD
- Socket code
- IO
- Base pins
- 9
- Nominal heater
- 6.3 V / 2.5 A
Description
High-perveance beam power tube designed as a horizontal-deflection amplifier in color television.
Socket description
International Octal
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 8GD
- Socket code
- IO
- Base pins
- 9
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 2.5 A
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
8GD - 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
Beam Power
X-ray radiationInterelectrode capacitances
- Plate resistance
- 5000 Ω
- Transconductance
- 0.0088 S
- Amplification factor
- 3.8
- Max screen voltage
- 200 V
- Max plate dissipation
- 23 W
- Max screen dissipation
- 3.6 W
- Max cathode current
- 200 mA
Published source values promoted where applicable.
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.
Data set 02
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Other
Heater voltage
6.3 V
Heater current
2.5 A
Plate current
90 mA
Typical operating conditions
Data set 03
1966 Tung Sol Electronic Tubes 2 of 4
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Capacitance
Grid-to-plate capacitance
0.8 pF
Input capacitance
24 pF
Output capacitance
10 pF
Other
Peak positive pulse plate voltage
6800 V
HorizontalDeflection
Peak negative pulse plate voltage
-1500 V
HorizontalDeflection
Plate voltage
175 V
ClassA
Screen voltage
175 V
ClassA
Grid #1 voltage
-30 V
ClassA
Plate current
90 mA
ClassA
Screen current
6 mA
ClassA