Data set 01
1950 Sylvania
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Unregulated DC Supply Voltage
55000 V
VoltageControl
GridVoltageDC
-125 V
VoltageControl
Triode - HV Shunt Regulator ·Triode
6BK4
High-voltage triode designed for electronic voltage-regulator service, controlling or shunting current to stabilize demanding power supplies.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- 8GC
- Socket code
- IO
- Base pins
- 8
- Nominal heater
- 6.3 V / 200 mA
Description
Sharp-cutoff beam triode for high-voltage shunt-regulator service in color 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
- 8GC
- 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
8GC - Terminal pinout
Electrical assignments shared by every tube using this base designation.
| Terminal | Section | Connection | Evidence |
|---|---|---|---|
| PIN1K | A | K — Cathode Source transcription; manufacturer verification pending | Unverified EIA Base Connections, printed page 130, 8GC |
| PIN2H | — | H — Heater Source transcription; manufacturer verification pending | Unverified EIA Base Connections, printed page 130, 8GC |
| PIN3IC | — | IC Source transcription; manufacturer verification pending | Unverified EIA Base Connections, printed page 130, 8GC |
| PIN4IC | — | IC Source transcription; manufacturer verification pending | Unverified EIA Base Connections, printed page 130, 8GC |
| PIN5G1 | A | G1 — Control Grid Source transcription; manufacturer verification pending | Unverified EIA Base Connections, printed page 130, 8GC |
| PIN6IC | — | IC Source transcription; manufacturer verification pending | Unverified EIA Base Connections, printed page 130, 8GC |
| PIN7H | — | H — Heater Source transcription; manufacturer verification pending | Unverified EIA Base Connections, printed page 130, 8GC |
| PIN8IC | — | IC Source transcription; manufacturer verification pending | Unverified EIA Base Connections, printed page 130, 8GC |
| CAP1P | A | P — Plate (Anode) Source transcription; manufacturer verification pending | Unverified EIA Base Connections, printed page 130, 8GC |
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
- 2.5 W
- Max cathode current
- 6 mA
High-voltage shunt-regulator beam triode.
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
Triode
Other
Unregulated DC Supply Voltage Maximum
60000 V
ShuntVoltageRegulator
Regulated DC Output Voltage
25000 V
LoadCurrent=0mA
UnregulatedSupplyVoltageTypical
36000 V
ShuntVoltageRegulator
Data set 03
1966 Tung Sol Electronic Tubes 1 of 4
Published operating points and test conditions from this source.
SECTION 1
Triode
Capacitance
GRID TO PLATE
0.03 pF
Capacitances | GRID TO PLATE 0.03 pf
GRID TO CATHOGE AND HEATER
2.6 pF
Capacitances | GRID TO CATHOGE AND HEATER 2.6 pf
PLATE TO CATHODE AND HEATER
1 pF
Capacitances | PLATE TO CATHODE AND HEATER 1.0 pf
Other
MAXIMUM DC PLATE VOLTA
0 V
Maximum Ratings | MAXIMUM DC PLATE VOLTA 6E 27 000 VOLTS
MAXIMUM DC PLATE CURRENT j
6 mA
Maximum Ratings | MAXIMUM DC PLATE CURRENT j.6 MA.
MAXIMUM PLATE DISSIPATION
2.5 W
Maximum Ratings | MAXIMUM PLATE DISSIPATION 2.5 WATTS
MAXIMUM GRID CIRCUIT RESISTANCE A
3 Mohm
Maximum Ratings | MAXIMUM GRID CIRCUIT RESISTANCE A 3 MEGOHMS
DC VOLTAGE ~
0 V
Typical Operating Conditions | DC VOLTAGE ~ 36 000 voLTs
EQUIVALENT RESISTANCE
11 Mohm
Typical Operating Conditions | EQUIVALENT RESISTANCE 11 MEGOHMS
FOR LOAD CURRENT OF p MA
0 V
Typical Operating Conditions | FOR LOAD CURRENT OF p MA. 25 000 voLTs
FOR LOAD CURRENT OF
1 mA
Typical Operating Conditions | FOR LOAD CURRENT OF 1 MA. 2u 500 voLTs
FOR LOAD CURRENT OF
500 V
Typical Operating Conditions | FOR LOAD CURRENT OF 1 MA. 2u 500 voLTs