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Specialized - Thyratron ·Rectifier

DCG1230

Mercury-vapor grid-controlled thyratron for industrial controlled rectification and power-control switching.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
5 V / 13.5 A

Description

DCG1230 is a Thyratron device in the supplied Philips industrial literature. Grid-controlled mercury-vapour rectifying tube for industrial controlled-rectifier service.

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
5 V
Nominal heater current
13.5 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
Rectifier peak inverse voltage
27000 V
Rectifier nominal output current
2.5 A
Rectifier peak forward current
10 A
Rectifier forward voltage drop
12 V
Rectifier warm-up time
90 s

Grid-controlled mercury-vapour rectifying tube for industrial controlled-rectifier service.

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

1963 Philips Electron Tubes Handbook V4

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Capacitance

  • Anode capacitance

    4 pF

  • Grid capacitance

    13 pF

Characteristic

  • Deionization time

    - to 500 us

    Maximum

  • Ionization time

    - to 10 us

    Maximum

  • Arc voltage drop at 2.5A

    12 V

Other

  • Peak inverse anode voltage

    27 kV

  • Peak forward anode voltage

    27 kV

  • Average anode current

    2.5 A

  • Peak anode current

    10 A

  • Surge current

    100 A

    Duration<=0.1s

  • Maximum negative grid voltage

    300 V

    BeforeConduction

  • Average grid current

    25 mA

  • Peak grid current

    125 mA

Data set 02

1999 Philips 0-D

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Heater current

    13.5 A

  • Maximum peak inverse voltage

    27000 V

  • Maximum rectified current

    2.5 A

  • Maximum peak forward current

    10 A

  • Maximum surge current

    100 A

  • Minimum warm-up time

    90 s

  • Maximum grid voltage

    300 V

  • Maximum grid current

    25 mA

  • Maximum peak grid current

    125 mA

Characteristic

  • Forward voltage drop

    12 V

  • Deionization time maximum

    500 us

  • Ionization time maximum

    10 us

Capacitance

  • Anode-grid capacitance

    4 pF

  • Grid capacitance

    13 pF