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Rectifier - Full Wave ·Rectifier-Rectifier

460BU

Cossor heavy-duty full-wave power rectifier for substantial industrial power conversion. Its unusually heavy filament requirements indicate high-current service beyond ordinary receiver rectifiers.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
-
Socket code
B5
Base pins
-
Nominal heater
4 V / -

Description

460BU: Cossor power-supply rectifier. The complete Cossor sheet was read for construction, technical data, operating recommendations, and application notes.

Socket description

European 5-pin base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B5
Base pins
-
Nominal heater voltage
4 V
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

2 physical sections, each with unique specifications.

Section 1

Rectifier

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Published ratings/characteristics promoted from the approved datasheet.

Section 2

Rectifier

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Second physical rectifier section; electrical properties populated from corresponding identical 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

1936 Cossor Valve Manual

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristics

  • Heater/filament voltage

    4 V

Other

  • Maximum anode voltage

    0 V

SECTION 2

Rectifier

Characteristics

  • Heater/filament voltage

    4 V

Other

  • Maximum anode voltage

    0 V

Data set 02

193X Cossor

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Filament/Heater Voltage

    25 V

    Published technical-data value

  • Filament/Heater Current

    50 A

    Published technical-data value

SECTION 2

Rectifier

Other

  • Filament/Heater Voltage

    25 V

    Published technical-data value

  • Filament/Heater Current

    50 A

    Published technical-data value