Data set 01
1950 General Electric Transmitting Types
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
X-ray shielding required above
16000 V
Rectifier - Half Wave ·Rectifier
8013A
High-vacuum half-wave rectifier for very-high-voltage, low-current supplies. Rated for approximately 40 kV peak inverse voltage, 20 mA DC output, and 150 mA peak current.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- 4P
- Socket code
- B4B
- Base pins
- 4
- Nominal heater
- 2.5 V / 5 A
Description
High-vacuum half-wave rectifier for very-high-voltage low-current service.
Socket description
Medium 4-pin bayonet
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 4P
- Socket code
- B4B
- Base pins
- 4
- Nominal heater voltage
- 2.5 V
- Nominal heater current
- 5 A
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
4P - 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
Rectifier
X-ray radiationInterelectrode capacitances
- Max plate dissipation
- 12 W
- Rectifier peak inverse voltage
- 40000 V
- Rectifier nominal output current
- 20 mA
- Rectifier peak forward current
- 150 mA
Electrical section extracted from supplied RCA data sheet.
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
1971 RCA HB3 Binder 6 of 7
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Characteristic
Heater/filament voltage nominal
2.5 V
WholeTube
Heater/filament current nominal
5 A
WholeTube
Other
Voltage
2 V
Published source row
Voltage (value 2)
37 V
Published source row
Voltage (value 3)
2.5 V
Published source row
Voltage (value 4)
2.63 V
Published source row
Current at
2.5 V
Published source row
Current at (value 2)
4.7 V
Published source row
Current at (value 3)
5 V
Published source row
Current at (value 4)
5.3 V
Published source row
PLATE DISSIPATION
12 W
Published source row
Verified Maximum plate dissipation
12 W
Verified from supplied datasheet rating/characteristic table
Verified Peak inverse plate voltage
40000 V
Verified from supplied datasheet rating/characteristic table
Verified Rectifier average output current
20 mA
Verified from supplied datasheet rating/characteristic table
Verified Rectifier peak forward current
150 mA
Verified from supplied datasheet rating/characteristic table