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Rectifier - Half Wave ·Rectifier

2C33

Directly heated rectifier diode for relatively high-voltage, low-current power supplies. Rated for approximately 1.5 kV peak inverse voltage, 50 mA DC output, and 150 mA peak current.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
8A
Socket code
IO
Base pins
8
Nominal heater
2.5 V / 2.5 A

Description

High-current rectifier diode designed for high-voltage low-current operation.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
8A
Socket code
IO
Base pins
8
Nominal heater voltage
2.5 V
Nominal heater current
2.5 A
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

8A - 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 cathode current
1.5 A
Rectifier peak inverse voltage
1500 V
Rectifier nominal output current
50 mA
Rectifier peak forward current
150 mA

Gas triode thyratron; 2C33 and RX233A are explicit co-designations.

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

1938 Raytheon

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • HeaterVoltageNominal

    2.5 V

    Nominal

  • HeaterCurrentNominal

    2.5 A

    Nominal

  • Maximum Peak Inverse Voltage

    1500 V

  • Rectified Output Current

    50 mA

  • PeakForwardCurrent

    150 mA

Data set 02

195X Raytheon Special Purpose Tubes

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Maximum Peak Inverse Anode Voltage

    1500 V

  • Maximum Peak Cathode Current

    1.5 A

  • Maximum Average Cathode Current

    25 mA