Data set 01
1960 Mazda
Published operating points and test conditions from this source.
SECTION 1
Cathode Ray
Other
Maximum first-anode voltage
500 V
Maximum second-anode voltage
1000 V
Specialized - Cathode Ray ·CathodeRay
30C12
Precision all-electrostatic cathode-ray tube designed for radio direction-finding compass service. Its specialized electron-optical system provides the visual bearing indication required in navigation and direction-finding equipment.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 4 V / 720 mA
Description
Precision all-electrostatic cathode-ray tube for radio direction-finding compass 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
- 4 V
- Nominal heater current
- 720 mA
- 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
Cathode Ray
X-ray radiationInterelectrode capacitances
No fixed ratings are recorded for this 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.