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Specialized - Cathode Ray ·CathodeRay

5BP1

Five-inch electrostatic oscilloscope and instrument cathode-ray tube designed for direct waveform display. Manufacturer documentation specifies the electron-optical system, screen characteristics, ratings, capacitances, and representative operating conditions.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
10A
Socket code
-
Base pins
11
Nominal heater
6.3 V / 600 mA

Description

Five-inch electrostatically deflected cathode-ray tube with green P1 screen, dual-marked by Sylvania as 5BP1/1802-P1.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
10A
Socket code
-
Base pins
11
Nominal heater voltage
6.3 V
Nominal heater current
600 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

10A - 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
2000 V

Cathode-ray electron-gun/display 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.

Data set 01

1950 Sylvania

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

  • Heater Voltage

    6.3 V

    Nominal

  • Heater Current

    600 mA

    Nominal