Alternatives & variations Download PDF datasheet

CAR4

Water-cooled high-power half-wave rectifier diode for demanding industrial power conversion. Its massive filament and roughly 40 kV inverse-voltage capability suit major DC systems.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 20 V / 75 A

Description

Water-cooled high-power rectifier diode.

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: 20 V
Nominal heater current: 75 A
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

Rectifier

X-ray radiationInterelectrode capacitances

Max plate dissipation: 6000 W
Rectifier peak inverse voltage: 40000 V

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

1955 Marconi

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

Filament Voltage
20 V
Filament Current
75 A
Cooling
Direct water-cooled anode

Other

Maximum Peak Inverse Voltage
40000 V
Maximum Anode Dissipation
6000 W
Minimum Cooling Water Flow
2 gal/min
Maximum Cooling Water Outlet Temperature
65 C
Maximum Peak-to-DC Current Ratio
3.5
Double Three-Phase Interconnected DC Output Current
12 A