Data set 01
1950 Sylvania
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Unregulated DC Supply Voltage
60000 V
VoltageControl
MaximumXRadiation
1.5 mR/h
Triode - HV Shunt Regulator ·Triode
6BK4C
High-voltage beam triode used as a shunt regulator for low-current DC supplies in color and black-and-white television receivers.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- SMW
- Socket code
- IO
- Base pins
- 8
- Nominal heater
- 6.3 V / 200 mA
Description
Glass octal beam triode used for voltage regulation of high-voltage, low-current DC power supplies in color and black-and-white television receivers.
Socket description
International Octal
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- SMW
- Socket code
- IO
- Base pins
- 8
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 200 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
SMW - 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
- 0.0002 S
- Amplification factor
- 2000
- Max plate voltage
- 27000 V
- Max plate dissipation
- 40 W
- Max cathode current
- 1.6 mA
High-voltage shunt regulator; source contains explicit X-radiation warning.
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
1975 RCA RC30
Published operating points and test conditions from this source.
SECTION 1
Triode
Capacitance
Grid to Plate
0.03 pF
Capacitance
Grid to Cathode and Heater
2.6 pF
Capacitance
Plate to Cathode and Heater
1 pF
Capacitance
Other
Unregulated DC Supply Voltage Maximum
60000 V
ShuntRegulator
DC Grid Voltage
-136 V
ShuntRegulator
Average Plate Current
1.6 mA
ShuntRegulator
Unregulated DC Supply Voltage
36000 V
ShuntRegulator
DC Reference Voltage Supply
200 V
ShuntRegulator
Regulated DC Output Voltage at 0 mA load
25000 V
ShuntRegulator
Regulated DC Output Voltage at 1 mA load
24500 V
ShuntRegulator
Characteristic
X-Radiation Maximum
0.5 mR/hr
XRay