Data set 01
1959 Telefunken
Published operating points and test conditions from this source.
SECTION 1
Cathode Ray
Characteristics
Source Content
Fluorescent-screen phosphor reference table text
No tube-specific electrical table in supplied excerpt
Specialized - Cathode Ray ·CathodeRay
D311
Cathode-ray display tube in the supplied D-series batch. The database source could not be retrieved reliably during this pass, so no narrower application, phosphor, or electron-optical claims are assigned.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- -
Description
The D311 source excerpt contains fluorescent-screen phosphor reference data but no complete tube-specific electrical table, so only the CRT classification is retained.
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
Cathode Ray
X-ray radiationInterelectrode capacitances
No fixed ratings are recorded for this section.
CRT identity retained from supplied one-PDF/one-tube batch; only phosphor reference material is present.
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.