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Power - TV Vertical Output ·Triode-Triode

10DR7

Dissimilar dual triode for television vertical deflection, combining a high-mu oscillator section with a low-mu, high-current output triode designed for pulsed vertical-amplifier operation.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
9NF
Socket code
B9A
Base pins
9
Nominal heater
9.7 V / 600 mA

Description

Dissimilar dual triode for combined television vertical-deflection oscillator and amplifier service. Explicit heater variant/co-designation of 13DR7 in the approved source.

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
9NF
Socket code
B9A
Base pins
9
Nominal heater voltage
9.7 V
Nominal heater current
600 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

9NF - 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

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
40000 Ω
Transconductance
0.0016 S
Amplification factor
68
Max plate voltage
330 V
Max plate dissipation
1 W
Max cathode current
20 mA

Inherited from explicitly referenced parent type 6DR7; supplied sheet changes heater rating.

Section 2

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
925 Ω
Transconductance
0.0065 S
Amplification factor
6
Max plate voltage
275 V
Max plate dissipation
7 W
Max cathode current
50 mA

Inherited from explicitly referenced parent type 6DR7; supplied sheet changes heater rating.

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

Triode

Other

  • Service

    Vertical deflection oscillator

    Section1

  • Heater Warmup Time

    11 s

SECTION 2

Triode

Other

  • Service

    Vertical deflection amplifier

    Section2

Data set 02

1966 Tung Sol Electronic Tubes 2 of 4

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Plate voltage

    250 V

    Section1;VerticalOscillator

  • Plate current

    1.4 mA

    Section1;VerticalOscillator

  • Peak negative grid voltage

    400 V

    Section1;VerticalOscillator

Characteristic

  • Heater warm-up time

    11 s

    WholeTube

SECTION 2

Triode

Other

  • Plate voltage

    150 V

    Section2;VerticalDeflection

  • Plate current

    35 mA

    Section2;VerticalDeflection

  • Peak positive pulse plate voltage

    1500 V

    Section2;VerticalDeflection

  • Peak negative grid voltage

    250 V

    Section2;VerticalDeflection

Data set 03

1971 RCA HB3 Binder 5 of 7

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Plate voltage

    250 V

    TVVerticalDeflection Inherited from explicitly referenced 6DR7 parent type.

  • Grid voltage

    -3 V

    TVVerticalDeflection Inherited from explicitly referenced 6DR7 parent type.

  • Plate current

    3.4 mA

    TVVerticalDeflection Inherited from explicitly referenced 6DR7 parent type.

Capacitance

  • Grid-to-plate capacitance

    4.5 pF

    Inherited from explicitly referenced 6DR7 parent type.

  • Input capacitance

    2.2 pF

    Inherited from explicitly referenced 6DR7 parent type.

  • Output capacitance

    0.3 pF

    Inherited from explicitly referenced 6DR7 parent type.

SECTION 2

Triode

Other

  • Plate voltage

    150 V

    TVVerticalDeflection Inherited from explicitly referenced 6DR7 parent type.

  • Grid voltage

    -17.5 V

    TVVerticalDeflection Inherited from explicitly referenced 6DR7 parent type.

  • Plate current

    35 mA

    TVVerticalDeflection Inherited from explicitly referenced 6DR7 parent type.

Capacitance

  • Grid-to-plate capacitance

    8.5 pF

    Inherited from explicitly referenced 6DR7 parent type.

  • Input capacitance

    5.5 pF

    Inherited from explicitly referenced 6DR7 parent type.

  • Output capacitance

    1 pF

    Inherited from explicitly referenced 6DR7 parent type.

Data set 04

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Heater Warm-up Time (Average) —

    11 s

    Other;PublishedValue1

  • Heater Warm-up Time (Average) —

    11 s

    Other;PublishedValue2

  • 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

    330 V

    MaximumRating;PublishedValue1

  • DC Plate Voltage

    275 V

    MaximumRating;PublishedValue2

  • Peak Positive-Pulse Plate Voltage* —

    1500 V

    MaximumRating

  • Peak Negative-Pulse Grid Voltage

    400 V

    MaximumRating;PublishedValue1

  • Peak Negative-Pulse Grid Voltage

    250 V

    MaximumRating;PublishedValue2

  • Peak Cathode Current

    70 mA

    MaximumRating;PublishedValue1

  • Peak Cathode Current

    175 mA

    MaximumRating;PublishedValue2

  • Average Cathode Current

    20 mA

    MaximumRating;PublishedValue1

  • Average Cathode Current

    50 mA

    MaximumRating;PublishedValue2

  • Plate Dissipation

    1 W

    MaximumRating;PublishedValue1

  • Plate Dissipation

    7 W

    MaximumRating;PublishedValue2

  • For grid-resistance-bias or cathode-bias operation

    2.2 megohm

    MaximumCircuitValue;PublishedValue1

  • For grid-resistance-bias or cathode-bias operation

    2.2 megohm

    MaximumCircuitValue;PublishedValue2

  • Maximum Plate Voltage

    330 V

    Section1

  • Maximum Plate Dissipation

    1 W

    Section1

  • Maximum Cathode Current

    70 mA

    Section1

Capacitance

  • Grid to Plate

    4.5 pF

    Capacitance;PublishedValue1

  • Grid to Plate

    8.5 pF

    Capacitance;PublishedValue2

  • Grid to Cathode and Heater

    2.2 pF

    Capacitance;PublishedValue1

  • Grid to Cathode and Heater

    5.5 pF

    Capacitance;PublishedValue2

  • Plate to Cathode and Heater

    0.34 pF

    Capacitance;PublishedValue1

  • Plate to Cathode and Heater

    1 pF

    Capacitance;PublishedValue2

Characteristic

  • Plate Voltage

    250 V

    Characteristic;PublishedValue1

  • Plate Voltage

    150 V

    Characteristic;PublishedValue2

  • Grid Voltage

    -3 V

    Characteristic;PublishedValue1

  • Grid Voltage

    -17.5 V

    Characteristic;PublishedValue2

  • Plate Resistance (Approx.)

    40000 ohm

    Characteristic;PublishedValue1

  • Plate Resistance (Approx.)

    925 ohm

    Characteristic;PublishedValue2

  • Transconductance

    1600 uS

    Characteristic;PublishedValue1

  • Transconductance

    6500 uS

    Characteristic;PublishedValue2

  • Plate Current

    1.4 mA

    Characteristic;PublishedValue1

  • Plate Current

    35 mA

    Characteristic;PublishedValue2

  • Plate Current for grid voltage of —

    24 V

    Characteristic

  • Grid Voltage (Approx.) for plate current of

    10 uA

    Characteristic

  • Grid Voltage (Approx.) for plate current of

    50 uA

    Characteristic;PublishedValue1

  • Grid Voltage (Approx.) for plate current of

    44 uA

    Characteristic;PublishedValue2

  • PLATE

    92 V

    Characteristic;PublishedValue1

  • PLATE

    99 V

    Characteristic;PublishedValue2

  • PLATE

    92 V

    Characteristic;PublishedValue3

  • PLATE

    99 V

    Characteristic;PublishedValue4

  • Plate Resistance

    40000 ohm

    Section1

  • Transconductance

    1600 uS

    Section1

  • Amplification Factor

    68

    Section1

SECTION 2

Triode

Other

  • Maximum Plate Voltage

    275 V

    Section2

  • Maximum Plate Dissipation

    7 W

    Section2

  • Maximum Cathode Current

    175 mA

    Section2

Characteristic

  • Plate Resistance

    925 ohm

    Section2

  • Transconductance

    6500 uS

    Section2

  • Amplification Factor

    6

    Section2