Data set 01
1956 Western Electric Tubes
Published operating points and test conditions from this source.
SECTION 1
Pentode
Application
Tube service
Transmitting tube
Other
Typical RF power output
53 W
ClassC
Power - Pentode (NOT beam) (over 1000V 100W) ·Pentode
322A
Power pentode designed primarily for Class-C radio-frequency transmitting, amplifier, oscillator, or modulated RF service.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- SMALL5
- Base pins
- 5
- Nominal heater
- 10 V / 5 A
Description
Air-cooled transmitting pentode for suppressor-grid-modulated Class-C RF service.
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
- 5
- Nominal heater voltage
- 10 V
- Nominal heater current
- 5 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
Pentode
X-ray radiationInterelectrode capacitances
- Transconductance
- 0.0014 S
- Max plate voltage
- 2000 V
- Max plate dissipation
- 125 W
Values extracted from Western Electric summary tables; additional table data retained as parameters.
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.