Data set 01
1956 Western Electric Tubes
Published operating points and test conditions from this source.
SECTION 1
Triode
Application
Tube service
Transmitting tube
Other
Typical oscillator power output
6.5 W
OscillatorService
Power - Triode ·Triode
316A
Compact directly heated transmitting triode for UHF oscillator and RF power-amplifier service. Low interelectrode capacitance and approximately 20 W plate dissipation permit full-rating operation to about 400 MHz with several watts of RF output.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- SMALL5
- Base pins
- 4
- Nominal heater
- 2 V / 3.65 A
Description
Air-cooled transmitting triode used as an oscillator and RF power tube.
Socket description
Small 5-contact transmitting-tube base
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- SMALL5
- Base pins
- 4
- Nominal heater voltage
- 2 V
- Nominal heater current
- 3.65 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
1 physical section, each with unique specifications.
Section 1
Triode
X-ray radiationInterelectrode capacitances
- Transconductance
- 0.0024 S
- Amplification factor
- 8
- Max plate voltage
- 500 V
- Max plate dissipation
- 20 W
- Max cathode current
- 90 mA
Promoted values are taken from clearly identified printed ratings/characteristics.
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
Maximum Frequency
400 MHz
FullRatings
Power Output
7.5 W
ClassC;Oscillator
Capacitance
Grid To Plate Capacitance
1.6 pF
Data set 03
1968 General Electric Co
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
HeaterOrFilamentVoltageNominal
2 V
HeaterOrFilamentCurrentNominal
3.65 A
MaxPlateVoltage
500 V
MaxPlateDissipation
20 W
Typical Plate Voltage
450 V
Typical Plate Current
67 mA
Typical Power Output
5 W
500MHz
OscillationFrequencyLimit
750 MHz
Characteristic
Transconductance
2400 uS
Amplification Factor
8
Capacitance
Plate To Grid Capacitance
1.6 pF
Grid To Filament Capacitance
1.1 pF
Plate To Filament Capacitance
0.65 pF