Data set 01
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Heater voltage
26.5 V
Nominal
Heater current
1.3 A
Nominal
Power - Triode ·Triode
6394A
Dual power triode for specialized high-current service. The available manufacturer documentation is too sparse to support a narrower functional assignment or specialized canonical tags, so the description remains conservative rather than inferring an application.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- -
- Socket code
- IO
- Base pins
- 8
- Nominal heater
- 26.5 V / 1.3 A
Description
Long-life ruggedized twin power triode for regulator pass service.
Socket description
International Octal
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- IO
- Base pins
- 8
- Nominal heater voltage
- 26.5 V
- Nominal heater current
- 1.3 A
- 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, with 1 unique section. The remaining sections have identical specifications.
Section 1
Triode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 250 Ω
- Transconductance
- 0.016 S
- Amplification factor
- 2
- Max plate voltage
- 400 V
- Max plate dissipation
- 30 W
- Max cathode current
- 400 mA
Promoted source ratings/characteristics; identical repeated sections compressed.
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
1966 Tung Sol Electronic Tubes 4 of 4
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Heater/filament voltage
26.5 V
Heater/filament current
1.3 A
Application
Application summary
Long-life ruggedized twin power triode for regulator pass service.
Characteristic
Plate voltage
100 V
Plate current per section
200 mA
Transconductance
40000 uS
Maximum shock
720 G
Heater-cathode voltage minimum
-300 V
Heater-cathode voltage maximum
300 V