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Power - TV Horizontal Output (sweep) ·BeamPower

6CU6

Beam-power pentode designed for horizontal-deflection amplifier service in color and black-and-white television receivers.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: 6AM
Socket code: B9A
Base pins: 7
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

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 6AM
Socket code: B9A
Base pins: 7
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
Rectifier max heater-cathode voltage: 200 V

DC plate-supply voltage used for promoted DC plate limit; pulse ratings 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

195X General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Plate voltage
250 V
HorizontalDeflection
Screen-grid voltage
150 V
HorizontalDeflection
Grid voltage
-22.5 V
HorizontalDeflection
Plate current
55 mA
HorizontalDeflection
Screen-grid current
2.1 mA
HorizontalDeflection
Plate voltage
60 V
HorizontalDeflection;Pulse
Screen-grid voltage
150 V
HorizontalDeflection;Pulse
Grid voltage
0 V
HorizontalDeflection;Pulse
Plate current
225 mA
HorizontalDeflection;Pulse
Screen-grid current
25 mA
HorizontalDeflection;Pulse
Maximum positive pulse plate voltage
6000 V
HorizontalDeflection
Maximum plate dissipation
11 W
HorizontalDeflection
Maximum screen dissipation
2.5 W
HorizontalDeflection
Maximum DC cathode current
110 mA
HorizontalDeflection

Capacitance

Input capacitance
15 pF
Output capacitance
7 pF
Grid-to-plate capacitance
0.55 pF

Data set 02

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

PeakPositivePlateVoltage
6000 V
HorizontalDeflection
PeakNegativePlateVoltage
1250 V
HorizontalDeflection

Data set 03

1965 Westinghouse Data Book

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
600 V
Maximum Plate Dissipation
11 W
Maximum Peak Positive Plate Voltage
6000 V
Pulse
Maximum Peak Negative Plate Voltage
1250 V
Pulse
Maximum Screen Voltage
200 V
Maximum Screen Dissipation
2.5 W
Average Cathode Current
110 mA
Peak Cathode Current
400 mA

Data set 04

1966 Tung Sol Electronic Tubes 2 of 4

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Maximum DC plate supply voltage
600 V
Maximum peak positive plate voltage
6000 V
Maximum peak negative plate voltage
1250 V
Maximum peak cathode current
400 mA
Maximum peak negative grid-1 voltage
300 V

Capacitance

Grid-1-to-plate capacitance
0.6 pF
Input capacitance
15 pF
Output capacitance
7 pF

Data set 05

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

HeaterVoltageNominal
6.3 V
HeaterCurrentNominal
1.2 A
Peak Positive Pulse Plate Voltage
6000 V
HorizontalDeflection
Peak Negative Pulse Plate Voltage
1250 V
HorizontalDeflection
Peak Cathode Current
400 mA
HorizontalDeflection

Characteristic

Plate Resistance
14500 Ohm
Transconductance
5900 uS

Data set 06

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.

Data set 07

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

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