Data set 01
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Cathode Ray
Other
Anode Voltage
11000 V
Typical
Maximum Anode Voltage
12000 V
CRT
Specialized - Cathode Ray ·CathodeRay
12UP4A
Twelve-inch metal-cone direct-view television picture tube with magnetic deflection and high-voltage anode operation. Its metal envelope construction reduces weight while retaining the conventional P4 picture-display function of monochrome television receivers.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- -
- Socket code
- B12D
- Base pins
- 12
- Nominal heater
- 6.3 V / 600 mA
Description
Metal-cone directly viewed television picture tube with magnetic deflection and high-voltage anode operation.
Socket description
Duodecar 12-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B12D
- Base pins
- 12
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 600 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
- Max plate voltage
- 12000 V
Published promoted fields populated semantically; identical repeated sections compressed.
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.