Data set 01
1957 National Electronics
Published operating points and test conditions from this source.
SECTION 1
IgnitronPowerSwitch
Other
AC control frequency minimum
25 Hz
AC control frequency maximum
60 Hz
Specialized - Ignitron ·IgnitronPowerSwitch
NL1052
Mercury-pool ignitron power switch for industrial welding, rectifier, or high-current control service.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- -
Description
NL1052 water-cooled or industrial mercury-pool ignitron for welding/control service.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater voltage
- -
- Nominal heater current
- -
- 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
IgnitronPowerSwitch
X-ray radiationInterelectrode capacitances
No fixed ratings are recorded for this section.
Mercury-pool ignitron AC-control/rectifier section.
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.