Data set 01
1946 Standard Telephone and Cables
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Supply frequency
50 Hz
ChokeInputFilter
Rectifier - Half Wave ·Rectifier
4049D
Indirectly heated half-wave mercury-vapor rectifier for high-voltage power conversion. Rated for approximately 20 kV peak inverse voltage and 1.25 A nominal rectified output for substantial industrial DC supplies.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- GOLIATH
- Base pins
- -
- Nominal heater
- 4 V / 11 A
Description
Half-wave mercury-vapour rectifier; indirectly heated.
Socket description
Goliath industrial rectifier base
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- GOLIATH
- Base pins
- -
- Nominal heater voltage
- 4 V
- Nominal heater current
- 11 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
Rectifier
X-ray radiationInterelectrode capacitances
- Rectifier peak inverse voltage
- 20000 V
- Rectifier nominal output current
- 1.25 A
- Rectifier peak forward current
- 5 A
Mercury-vapour or high-voltage rectifier ratings promoted from the published maximum-ratings table.
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.