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Triode - HV Shunt Regulator ·Triode

GP5

High-voltage beam power triode for shunt-regulator or pulse-modulator service in systems rated to approximately 30 kV.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B9A
Base pins
9
Nominal heater
6.3 V / 210 mA

Description

Glass-envelope beam power triode for shunt regulator or pulse modulator service in high-voltage systems, rated to 30 kV.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B9A
Base pins
9
Nominal heater voltage
6.3 V
Nominal heater current
210 mA
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

Triode

X-ray radiationInterelectrode capacitances
Transconductance
0.0007 S
Amplification factor
2750
Max plate voltage
30000 V
Max plate dissipation
37.5 W
Max cathode current
2 mA

Section values promoted from published characteristics and maximum ratings.

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

199X Svetlana

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • operating voltage of

    30000 V

    SourcePage1-2

  • Heater-cathode voltage, peak ±

    200 V

    SourcePage1-2

  • Input

    4 pF

    SourcePage1-2

  • Output

    1.5 pF

    SourcePage1-2

  • Feedback ≤

    0.1 pF

    SourcePage1-2

Other

  • Anode voltage

    30000 V

    SourcePage1-2

  • Anode dissipation

    37.5 W

    SourcePage1-2

  • Anode current, continuous

    2 mA

    SourcePage1-2

  • Grid voltage

    -450 V

    SourcePage1-2

  • Maximum grid-circuit resistance

    3 megohms

    SourcePage1-2

  • Plate voltage

    30000 V

    SourcePage1-2