Data set 01
1937 Standard Valves
Published operating points and test conditions from this source.
SECTION 1
Pentode
Characteristic
Control grid-anode capacitance
0.012 pF
Input capacitance
11 pF
Output capacitance
10 pF
Power - Pentode (NOT beam) ·Pentode
4052A
Standard Valves thoriated-tungsten filament RF power pentode. Manufacturer documentation provides transmitting construction, limiting conditions, electrical constants, and operating data for radio-frequency power service.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- MEDIUM5
- Base pins
- 5
- Nominal heater
- 7.5 V / 3 A
Description
4052A is a thoriated tungsten filament; RF power pentode. The Standard Valves sheet publishes construction, electrical constants, limiting conditions, and applicable operating data.
Socket description
Medium 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
- MEDIUM5
- Base pins
- 5
- Nominal heater voltage
- 7.5 V
- Nominal heater current
- 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
1 physical section, each with unique specifications.
Section 1
Pentode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 500000 Ω
- Amplification factor
- 1500
- Max plate voltage
- 1500 V
- Max screen voltage
- 300 V
- Max plate dissipation
- 60 W
- Max screen dissipation
- 20 W
Published ratings and characteristics promoted from approved datasheet.
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
1946 Standard Telephone and Cables
Published operating points and test conditions from this source.
SECTION 1
Pentode
Other
Control grid-anode capacitance
0.012 pF
Published capacitance
Input capacitance
1 pF
Published capacitance
Output capacitance
10 pF
Published capacitance