Data set 01
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Cathode Ray
Other
Maximum Anode Voltage
9000 V
CRT
Capacitance
Grid4ToOtherElectrodesCapacitance
6 pF
Specialized - Cathode Ray ·CathodeRay
8AP4
Eight-inch direct-view television picture tube with magnetic focusing and magnetic deflection. Its high-voltage beam system produces a compact monochrome receiver image.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- -
- Socket code
- B12D
- Base pins
- 12
- Nominal heater
- 6.3 V / 600 mA
Description
Direct-view television picture tube with magnetic focus and deflection.
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
- 9000 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.