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Power - Beam (NOT sweep) ·BeamPower-Pentode

6Z10

Combination tube integrating an FM discriminator or limiter function with a beam-power audio-output section for radio and television receiver service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
12BT
Socket code
B12C
Base pins
12
Nominal heater
6.3 V / 950 mA

Description

6Z10 is a Other vacuum tube documented in the RCA Receiving Tube Manual. The supplied excerpt was reviewed for heater data, section arrangement, maximum ratings, electrical characteristics, interelectrode capacitances, typical operating conditions, and stated applications.

Socket description

Duodecar 12-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
12BT
Socket code
B12C
Base pins
12
Nominal heater voltage
6.3 V
Nominal heater current
950 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

12BT - Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

2 physical sections, each with unique specifications.

Section 1

Pentode

X-ray radiationInterelectrode capacitances
Plate resistance
250000 Ω
Transconductance
0.00036 S
Max plate voltage
330 V
Max screen voltage
330 V
Max plate dissipation
1.5 W
Max screen dissipation
0.8 W
Max cathode current
13 mA

Gated-beam discriminator section; published accelerator/grid characteristics do not map cleanly to standard promoted plate/screen fields and are preserved as parameters.

Section 2

Beam Power

X-ray radiationInterelectrode capacitances
Plate resistance
100000 Ω
Transconductance
0.0065 S
Max plate voltage
275 V
Max screen voltage
275 V
Max plate dissipation
10 W
Max screen dissipation
2 W
Max cathode current
55 mA

Beam-pentode section maximum ratings and Class-A characteristics promoted.

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

Pentode

Characteristic

  • Plate Supply Voltage

    330 V

  • Accelerator Supply Voltage

    330 V

  • Grid 1 Transconductance

    360 uS

  • Grid 3 Transconductance

    700 uS

SECTION 2

Beam Power

Other

  • Plate Voltage

    250 V

    ClassA

  • Screen Voltage

    250 V

    ClassA

  • Load Resistance

    5000 ohm

    ClassA

  • Power Output

    4.2 W

    ClassA

  • Total Harmonic Distortion

    8.5 %

    ClassA

Data set 02

1971 RCA HB3 Binder 5 of 7

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Heater voltage

    6.3 V

  • Heater current

    950 mA

  • Plate voltage

    135 V

    PentodeUnit

  • Screen voltage

    75 V

    PentodeUnit

  • Plate current

    5 mA

    PentodeUnit

Characteristic

  • Grid No.1 transconductance

    360 uS

    PentodeUnit

  • Grid No.3 transconductance

    700 uS

    PentodeUnit

  • Grid No.1 cutoff voltage

    -4 V

    PentodeUnit

  • Grid No.3 cutoff voltage

    -4 V

    PentodeUnit

Capacitance

  • Grid No.1-to-grid No.3 capacitance

    0.009 pF

    PentodeUnit

SECTION 2

Beam Power

Other

  • Plate voltage

    250 V

    BeamPowerUnit

  • Screen voltage

    250 V

    BeamPowerUnit

  • Grid voltage

    -8 V

    BeamPowerUnit

  • Plate current

    35 mA

    BeamPowerUnit

  • Screen current

    3 mA

    BeamPowerUnit

Characteristic

  • Plate resistance

    100000 ohm

    BeamPowerUnit

  • Transconductance

    6500 uS

    BeamPowerUnit

Capacitance

  • Grid-to-plate capacitance

    0.22 pF

    BeamPowerUnit

  • Input capacitance

    11 pF

    BeamPowerUnit

  • Output capacitance

    7.5 pF

    BeamPowerUnit

Data set 03

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Heater Warm-up Time (Average)

    11 seconds

    Heater Warm-up Time (Average) 11 11 seconds

  • Grid No.l to Grid No

    0.009 PF

    Grid No.l to Grid No.3 0.009 PF

  • Grid No.l to Cathode, Heater, Grid No

    3

    Grid No.l to Cathode, Heater, Grid No.2, Grid No.3, Plate,

  • Grid No

    2

    Grid No.3 to Cathode, Heater, Grid No.l, Grid No.2, Plate,

  • Plate Dissipation

    10 watts

    Plate Dissipation 10 watts

  • Grid-No

    2 watts

    Grid-No.2 Input 2 watts

  • Maximum-Signal Plate Current

    39 mA

    Maximum-Signal Plate Current 39 mA

  • Maximum-Signal Grid-No

    13 mA

    Maximum-Signal Grid-No.2 Current 13 mA

  • Load Resistance

    5000 ohms

    Load Resistance 5000 ohms

Characteristic

  • Grid-No

    275 volts

    Grid-No.2 (Screen-Grid) Voltage 275 volts

  • Plate Voltage

    250 volts

    Plate Voltage 250 volts

  • Grid-No

    250 volts

    Grid-No.2 Voltage 250 volts

  • Grid-No.l (Control-Grid) Voltage

    -8 volts

    Grid-No.l (Control-Grid) Voltage -8 volts

  • Peak AF Grid-No.l Voltage

    8 volts

    Peak AF Grid-No.l Voltage 8 volts

  • Zero-Signal Plate Current

    35 mA

    Zero-Signal Plate Current 35 mA

  • Zero-Signal Grid-No

    3 mA

    Zero-Signal Grid-No.2 Current 3 mA

  • Plate Resistance (Approx.)

    0.1 megohm

    Plate Resistance (Approx.) 0.1 megohm

  • Transconductance G5

    0

    Transconductance G500 /imhos

  • Grid-No

    1

    Grid-No. 1-Circuit Resistance:

SECTION 2

Beam Power

Other

  • Grid No.l to Plate

    0.22 PF

    Grid No.l to Plate 0.22 PF

  • Grid-No

    33 kohms

    Grid-No.2 Resistor 33 33 kohms

Capacitance

  • Grid No.l to Cathode. Heater, Grid No

    11 pF

    Grid No.l to Cathode. Heater, Grid No.2, and Grid No.3 . . . 11 pF

  • Plate to Cathode, Heater, Grid No

    7.5 pF

    Plate to Cathode, Heater, Grid No.2, and Grid No.3 7.5 pF

Characteristic

  • Plate Supply Voltage

    330 volts

    Plate Supply Voltage 330 volts

  • Grid-No

    330 volts

    Grid-No.2 Voltage 330 volts

  • Grid-No.l Voltage, Peak positive value

    60 volts

    Grid-No.l Voltage, Peak positive value 60 volts

  • Average Cathode Current

    13 mA

    Average Cathode Current 13 mA

  • Plate Voltage

    135 volts

    Plate Voltage 135 135 135 volts

  • Grid-No

    0 volts

    Grid-No.3 (Suppressor-Grid) Voltage 4 4 0 volts

  • Grid-No

    280 volts

    Grid-No.2 (Screen-Grid) Supply Voltage 280 280 volts

  • Grid-No

    75 volts

    Grid-No.2 Voltage 75 volts

  • Grid No

    0 volts

    Grid No. 1 (Control-Grid) Voltage 0 0 0 volts

  • Transconductance, Grid No.l to Plate

    360

    Transconductance, Grid No.l to Plate 360 /imhos

  • Transconductance, Grid No

    700

    Transconductance, Grid No.3 to Plate 700 /imhos

  • Average Plate Current

    5

    Average Plate Current 5 til A

  • Grid-No

    4.5 mA

    Grid-No.2 Current 4.5 mA

  • Grid No

    3

    Grid No.3 Voltage (Approx.) for plate current of