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Power - TV Horizontal Output (sweep) ·BeamPower

6BQ6GTB

Later 6BQ6-family beam-power horizontal-output tube for color and monochrome television receivers, combining substantial positive and negative pulse tolerance for demanding flyback operation.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: 6AM
Socket code: IO
Base pins: 6
Nominal heater: 6.3 V / 1.2 A

Description

Beam power tube for horizontal-deflection amplifier service in color and black-and-white television receivers. It is an explicit heater variant/co-designation in 25BQ6GTB.pdf.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 6AM
Socket code: IO
Base pins: 6
Nominal heater voltage: 6.3 V
Nominal heater current: 1.2 A
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

6AM - Terminal pinout

Electrical assignments shared by every tube using this base designation.

Terminal	Section	Connection	Evidence
PIN1Pin 1	—	NC May be omitted on some physical base variants	Verified 6AM manufacturer basing; 12DQ6A Tung-Sol, 6BQ6GT Sylvania/Tung-Sol; bottom view
PIN2Pin 2	—	H — Heater	Verified 6AM manufacturer basing; 12DQ6A Tung-Sol, 6BQ6GT Sylvania/Tung-Sol; bottom view
PIN3Pin 3	—	NC	Verified 6AM manufacturer basing; 12DQ6A Tung-Sol, 6BQ6GT Sylvania/Tung-Sol; bottom view
PIN4Pin 4	A	G2 — Screen Grid	Verified 6AM manufacturer basing; 12DQ6A Tung-Sol, 6BQ6GT Sylvania/Tung-Sol; bottom view
PIN5Pin 5	A	G1 — Control Grid	Verified 6AM manufacturer basing; 12DQ6A Tung-Sol, 6BQ6GT Sylvania/Tung-Sol; bottom view
PIN7Pin 7	—	H — Heater	Verified 6AM manufacturer basing; 12DQ6A Tung-Sol, 6BQ6GT Sylvania/Tung-Sol; bottom view
PIN8Pin 8	A	BP — Beam-Forming PlateGroup AM8	Verified 6AM manufacturer basing; 12DQ6A Tung-Sol, 6BQ6GT Sylvania/Tung-Sol; bottom view
PIN8Pin 8	A	K — CathodeGroup AM8	Verified 6AM manufacturer basing; 12DQ6A Tung-Sol, 6BQ6GT Sylvania/Tung-Sol; bottom view
CAP1Top cap	A	P — Plate (Anode)	Verified 6AM manufacturer basing; 12DQ6A Tung-Sol, 6BQ6GT Sylvania/Tung-Sol; bottom view

Section ratings

1 physical section, each with unique specifications.

Section 1

Beam Power

X-ray radiationInterelectrode capacitances

Plate resistance: 14500 Ω
Transconductance: 0.0059 S
Max plate voltage: 600 V
Max screen voltage: 200 V
Max plate dissipation: 11 W
Max screen dissipation: 2.5 W
Max cathode current: 110 mA

Published promoted values applied where applicable; additional table data retained as parameters.

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

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristic

Plate Current
57 mA
Published operating/characteristic table
Screen Current
2.1 mA
Published operating/characteristic table
Transconductance
5900 uS
Published operating/characteristic table

Data set 02

1965 Sylvania Electronic Tubes Vol3

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristics

Heater voltage
6.3 V
Heater current
1.2 A

Other

Maximum plate voltage
700 V
Maximum screen voltage
175 V
Maximum plate dissipation
11 W
Maximum screen dissipation
2.5 W
Maximum positive control-grid voltage
0 V

Application

Service
Horizontal deflection amplifier

Data set 03

1966 Tung Sol Electronic Tubes 1 of 4

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Maximum peak positive plate voltage
6000 V
HorizontalDeflection
Maximum peak negative plate voltage
2250 V
HorizontalDeflection
Plate current
55 mA
HorizontalDeflection

Characteristic

Plate resistance
14.5 kOhm

Data set 04

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Peak Positive Pulse Plate Voltage
6000 V
HorizontalDeflection
Peak Negative Pulse Plate Voltage
1250 V
HorizontalDeflection
Typical Plate Voltage
250 V
Typical Screen Voltage
150 V

Data set 05

1971 RCA HB3 Binder 4 of 7

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristics

Voltage (AC or DC) — published value 1
6 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Voltage (AC or DC) — published value 2
3 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Current — published value 1
1 A
Published datasheet value; multiple values represent separate source-table limits or conditions.
Current — published value 2
2 A
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid No.1 to plate
6
Published datasheet value; multiple values represent separate source-table limits or conditions.
grid No.2, and heater
15
Published datasheet value; multiple values represent separate source-table limits or conditions.
grid No.2, and heater
7
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pi ate Voltage — published value 1
60 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pi ate Voltage — published value 2
150 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pi ate Voltage — published value 3
250 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid-No.2 Voltage — published value 1
150 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid-No.2 Voltage — published value 2
150 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid-No.2 Voltage — published value 3
150 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid-No.l Voltage — published value 1
0 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid-No.l Voltage — published value 2
-22.5 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid-No.l Voltage — published value 3
-22.5 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Mu-Factor, Grid No.2 to Grid No.1
4.3
Published datasheet value; multiple values represent separate source-table limits or conditions.
Plate Resistance (Approx )
14500 ohm
Published datasheet value; multiple values represent separate source-table limits or conditions.
Transconductance
5900
Published datasheet value; multiple values represent separate source-table limits or conditions.
Plate Current — published value 1
260 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
Plate Current — published value 2
57 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid-No.2 Current — published value 1
26 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid-No.2 Current — published value 2
2.1 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
for plate ma. = 1 — published value 1
1 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
for plate ma. = 1 — published value 2
-43 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 1~ No Connection © — published value 1
1
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 1~ No Connection © — published value 2
5
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 2 -Heater — published value 1
2
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 2 -Heater — published value 2
7
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 4 -Grid No.2
4
Published datasheet value; multiple values represent separate source-table limits or conditions.
9 An atlequate bias resistor or other means is required to protect the
9
Published datasheet value; multiple values represent separate source-table limits or conditions.

Other

DC PLATE-SUPPLY VOLTAGE
600 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
PEAK NEGATIVE-PULSE PLATE VOLTAGE
1250 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
DC GRID-No.2 (SCREEN-GRID) VOLTAGE
200 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
GRID) VOLTAGE
300 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
GRID-No.2 INPUT
2.5 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
PLATE DISSIPATIONS
11 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
Heater negative with respect to cathode
200 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Heater positive with respect to cathode
200 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid-No.l-Circuit Resistance — published value 1
0 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid-No.l-Circuit Resistance — published value 2
47 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.

Data set 06

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Heater-Cathode Voltage:
11 s
Other
Peak value
200 V
Other;PublishedValue1
Peak value
200 V
Other;PublishedValue2
Peak value
200 V
Other;PublishedValue3
Average value
100 V
Other;PublishedValue1
Average value
100 V
Other;PublishedValue2
Average value
100 V
Other;PublishedValue3
DC Plate Voltage
600 V
MaximumRating
Peak Positive-Pulse Plate Voltage* (Absolute Maximum)
6000 V
MaximumRating
Peak Negative-Pulse Plate Voltage
1260 V
MaximumRating
DC Grid-No
2 V
MaximumRating;PublishedValue1
DC Grid-No
200 V
MaximumRating;PublishedValue2
Peak Negative-Pulse Grid-No.l (Control-Grid) Voltage
300 V
MaximumRating
Peak Cathode Current
400 mA
MaximumRating
Average Cathode Current
110 mA
MaximumRating
Plate Dissipation"
11 W
MaximumRating
Grid-No
2 W
MaximumRating;PublishedValue1

Capacitance

Plate to Cathode, Heater, Grid No
2 pF
Capacitance;PublishedValue1
Plate to Cathode, Heater, Grid No
3 pF
Capacitance;PublishedValue2
Plate to Cathode, Heater, Grid No
7 pF
Capacitance;PublishedValue3

Characteristic

Plate Voltage
60 V
Characteristic;PublishedValue1
Plate Voltage
150 V
Characteristic;PublishedValue2
Plate Voltage
250 V
Characteristic;PublishedValue3
Grid-No
2 V
Characteristic;PublishedValue1
Grid-No
150 V
Characteristic;PublishedValue2
Grid-No
150 V
Characteristic;PublishedValue3
Grid-No
150 V
Characteristic;PublishedValue4
Grid-No
1 V
Characteristic;PublishedValue1
Grid-No
0 V
Characteristic;PublishedValue2
Grid-No
22.5 V
Characteristic;PublishedValue3
Grid-No
-22.5 V
Characteristic;PublishedValue4
Plate Resistance (Approx.) —
14500 ohm
Characteristic
Plate Current
260 mA
Characteristic;PublishedValue1
Plate Current
57 mA
Characteristic;PublishedValue2
Grid-No
2 mA
Characteristic;PublishedValue1
Grid-No
26 mA
Characteristic;PublishedValue2
Grid-No
2.1 mA
Characteristic;PublishedValue3
Grid-No
1 mA
Characteristic;PublishedValue1
Grid-No
1 mA
Characteristic;PublishedValue2
Published value
-43 V
Characteristic