6HF5

Compactron beam-power pentode designed for horizontal-deflection amplification in color and black-and-white television receivers.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: 12
Socket code: B12C
Base pins: 12
Nominal heater: 6.3 V / 2.25 A

Description

Duodecar type used as horizontal-deflection amplifier in color and black-and-white television receivers. Out- lines section, 16B; requires duodecar 12-contact socket. Heater: volts (ac/dc), 6.

Socket description

Duodecar 12-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 12
Socket code: B12C
Base pins: 12
Nominal heater voltage: 6.3 V
Nominal heater current: 2.25 A
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

12 - 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

Beam Power

X-ray radiationInterelectrode capacitances

Transconductance: 0.0113 S
Amplification factor: 3
Max plate voltage: 900 V
Max screen voltage: 190 V
Max plate dissipation: 28 W
Max screen dissipation: 5.5 W
Max cathode current: 315 mA

High-current horizontal-deflection beam pentode; 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

1966 Tung Sol Electronic Tubes 2 of 4

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Peak positive pulse plate voltage
7000 V
HorizontalDeflection;Pulse
Peak negative pulse plate voltage
1100 V
HorizontalDeflection;Pulse
Plate current
125 mA
HorizontalDeflection
Grid 2 current
5 mA
HorizontalDeflection
Grid 1 voltage
-25 V
HorizontalDeflection

Capacitance

Grid 1 to plate capacitance
0.5 pF
Input capacitance
24 pF
Output capacitance
10 pF

Data set 02

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristic

Plate Voltage
125 volts
Plate Voltage 5000 70 175 125 volts
Grid-No
125 volts
Grid-No.2 (Screen-Grid) Voltage 125 125 125 125 volts
Amplification Factor
-3
Amplification Factor - -3
Plate Current
125 mA
Plate Current - 570- 125 - mA
Grid-No
4.5 mA
Grid-No.2 Current - 34- 4.5 - mA
current of
-54 mA
current of 1 mA 140 - -54 - -
DC Plate Supply Voltage
900 volts
DC Plate Supply Voltage 900 volts
Peak Negative-Pulse Plate Voltage
1100 volts
Peak Negative-Pulse Plate Voltage 1100 volts
DC Grid-No
190 volts
DC Grid-No.2 Voltage 190 volts
Peak Negative-Pulse Grid-No.l Voltage
250 volts
Peak Negative-Pulse Grid-No.l Voltage 250 volts
Peak Cathode Current
1100 mA
Peak Cathode Current 1100 mA
Average Cathode Current
315 mA
Average Cathode Current 315 mA
Grid-No
1 megohm
Grid-No. 1-Circuit Resistance 1 megohm

Other

Peak Positive-Pulse Plate Voltage# (Absolute Maximum)
7500 volts
Peak Positive-Pulse Plate Voltage# (Absolute Maximum) 7500* volts
Plate Dissipation!
28 watts
Plate Dissipation! 28 watts
Grid-No
5.6 watts
Grid-No.2 Input 5.6 watts
Grid to Cathode, Heater, Pentode Cathode, Grid No
3
Grid to Cathode, Heater, Pentode Cathode, Grid No.3,
Plate to Cathode, Heater, Pentode Cathode, Grid No
3
Plate to Cathode, Heater, Pentode Cathode, Grid No.3,
Grid No.l to Cathode, Heater, Grid No
3
Grid No.l to Cathode, Heater, Grid No.2, Grid No.3,
Plate to Cathode, Heater, Grid No
3
Plate to Cathode, Heater, Grid No.2, Grid No.3,

Capacitance

Grid to Plate
3.6 pF
Grid to Plate 3.6 pF
Grid No.l to Plate
0.1 pF
Grid No.l to Plate 0.1 max pF
Triode Grid to Pentode Plate
0.016 pF
Triode Grid to Pentode Plate 0.016 max pF