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Power - TV Horizontal Output (sweep) ·BeamPower

19BG6GA

Beam pentode heater variant electrically related to 6BG6GA, intended for television horizontal line-output and deflection service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
5BT
Socket code
IO
Base pins
8
Nominal heater
18.9 V / 300 mA

Description

19BG6-GA beam pentode, electrically identical to 6BG6-GA except heater ratings.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
5BT
Socket code
IO
Base pins
8
Nominal heater voltage
18.9 V
Nominal heater current
300 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

5BT - Terminal pinout

Electrical assignments shared by every tube using this base designation.

TerminalSectionConnectionEvidence
PIN1ISAIS — Internal Screen

Source designation IS; independent manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 127, 5BT

PIN2H—H — Heater

Source designation H; independent manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 127, 5BT

PIN3G3AG3 — Suppressor GridGroup 5BT3

Source designation G3; independent manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 127, 5BT

PIN3KAK — CathodeGroup 5BT3

Source designation K; independent manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 127, 5BT

PIN5G1AG1 — Control Grid

Source designation G1; independent manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 127, 5BT

PIN7H—H — Heater

Source designation H; independent manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 127, 5BT

PIN8G2AG2 — Screen Grid

Source designation G2; independent manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 127, 5BT

CAP1PAP — Plate (Anode)

Source designation P; independent manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 127, 5BT

Section ratings

1 physical section, each with unique specifications.

Section 1

Beam Power

X-ray radiationInterelectrode capacitances
Plate resistance
25000 Ω
Transconductance
0.006 S
Max screen voltage
350 V
Max plate dissipation
20 W
Max screen dissipation
3.2 W
Max cathode current
110 mA

DC plate-supply and pulse plate-voltage ratings are preserved as parameters; there is no separately stated generic maximum DC plate voltage.

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

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • DCPlateSupplyVoltageBoostPlusDC

    700 V

    HorizontalDeflection

  • Peak Positive Pulse Plate Voltage

    6600 V

    HorizontalDeflection

  • Peak Negative Pulse Plate Voltage

    1500 V

    HorizontalDeflection

  • PeakNegativeGrid1Voltage

    300 V

    HorizontalDeflection

  • Peak Cathode Current

    400 mA

    HorizontalDeflection

  • BulbTemperatureMaximum

    210 C

    HorizontalDeflection

Characteristic

  • Plate Voltage

    250 V

    AverageCharacteristics

  • Screen Voltage

    250 V

    AverageCharacteristics

  • Grid1 Voltage

    -15 V

    AverageCharacteristics

  • Plate Current

    75 mA

    AverageCharacteristics

  • Screen Current

    4 mA

    AverageCharacteristics

  • TriodeAmplificationFactor

    8

    TriodeConnection; PlateAndScreen=250V; Grid1=-15V

Capacitance

  • Grid1 To Plate Capacitance

    0.8 pF

  • Input Capacitance

    11 pF

  • Output Capacitance

    6 pF