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Power - TV Vertical Output ·Triode-Triode

6DE7

Dual triode intended for television vertical-deflection service, combining oscillator/driver and power-output functions where applicable. Manufacturer data emphasize vertical-sweep operation, pulse-voltage capability, and the stronger section’s current and dissipation requirements.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: 9HF
Socket code: B9A
Base pins: 9
Nominal heater: 6.3 V / 900 mA

Description

The 6DE7 contains a medium-mu oscillator section and a low-mu higher-power amplifier section for television vertical deflection.

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: 9HF
Socket code: B9A
Base pins: 9
Nominal heater voltage: 6.3 V
Nominal heater current: 900 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

9HF - Terminal pinout

Electrical assignments shared by every tube using this base designation.

Terminal	Section	Connection	Evidence
PIN1Base Pin	B	P — Plate (Anode) Literal label 2P; manufacturer confirmation pending	Unverified EIA Base Connections printed p132, 9HF
PIN2Base Pin	B	G1 — Control Grid Literal label 2G1; manufacturer confirmation pending	Unverified EIA Base Connections printed p132, 9HF
PIN3Base Pin	B	G3 — Suppressor Grid Literal label 2G3; manufacturer confirmation pending	Unverified EIA Base Connections printed p132, 9HF
PIN4Base Pin	—	H — Heater Literal label H; manufacturer confirmation pending	Unverified EIA Base Connections printed p132, 9HF
PIN5Base Pin	—	H — Heater Literal label H; manufacturer confirmation pending	Unverified EIA Base Connections printed p132, 9HF
PIN6Base Pin	A	P — Plate (Anode) Literal label 1P; manufacturer confirmation pending	Unverified EIA Base Connections printed p132, 9HF
PIN7Base Pin	A	G1 — Control Grid Literal label 1G1; manufacturer confirmation pending	Unverified EIA Base Connections printed p132, 9HF
PIN8Base Pin	A	K — Cathode Literal label 1K; manufacturer confirmation pending	Unverified EIA Base Connections printed p132, 9HF
PIN9Base Pin	B	K — Cathode Literal label 2K; manufacturer confirmation pending	Unverified EIA Base Connections printed p132, 9HF

Section ratings

2 physical sections, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances

Plate resistance: 8750 Ω
Transconductance: 0.002 S
Amplification factor: 17.5
Max plate voltage: 330 V
Max plate dissipation: 1.6 W
Max cathode current: 22 mA

Published promoted values applied where applicable; additional ratings and operating data retained as parameters.

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: 175 mA

Second dissimilar triode section; published section-specific values should be interpreted with datasheet section headings.

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

1950 Sylvania

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Peak Negative Pulse Grid Voltage
400 V
Oscillator section

SECTION 2

Triode

Other

Peak Positive Pulse Plate Voltage
1500 V
Amplifier section; absolute maximum
Peak Negative Pulse Grid Voltage
250 V
Amplifier section

Data set 02

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Plate Voltage
150 V
Published operating/characteristic table
Grid Voltage
20 V
Published operating/characteristic table

Characteristic

Plate Current
55 mA
Published operating/characteristic table
Transconductance
6500 uS
Published operating/characteristic table
Amplification Factor
6
Published operating/characteristic table
Plate Resistance
925 ohm
Published operating/characteristic table

Data set 03

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
TVVerticalDeflection
Grid voltage
-11 V
TVVerticalDeflection
Plate current
5.5 mA
TVVerticalDeflection

Capacitance

Grid-to-plate capacitance
4 pF
Input capacitance
2.2 pF
Output capacitance
0.52 pF

SECTION 2

Triode

Other

Plate voltage
150 V
TVVerticalDeflection
Grid voltage
-17.5 V
TVVerticalDeflection
Plate current
35 mA
TVVerticalDeflection

Capacitance

Grid-to-plate capacitance
8.5 pF
Input capacitance
5.5 pF
Output capacitance
1 pF

Data set 04

1971 RCA HB3 Binder 4 of 7

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

Voltage (AC or DC) — published value 1
6.3 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Voltage (AC or DC) — published value 2
0.6 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Current at heater volts = 6.3 — published value 1
6.3 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Current at heater volts = 6.3 — published value 2
0.9 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid to plate — published value 1
4
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid to plate — published value 2
8.5
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid to cathode and heater — published value 1
2.2
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid to cathode and heater — published value 2
5.5
Published datasheet value; multiple values represent separate source-table limits or conditions.
Plate to cathode and heater — published value 1
0.52
Published datasheet value; multiple values represent separate source-table limits or conditions.
Plate to cathode and heater — published value 2
1
Published datasheet value; multiple values represent separate source-table limits or conditions.
Plate Voltage — published value 1
250 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Plate Voltage — published value 2
60 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Plate Voltage — published value 3
150 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid Voltage — published value 1
-11 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid Voltage — published value 2
0 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid Voltage — published value 3
-17.5 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Plate Resistance (Approx ) — published value 1
8750 ohm
Published datasheet value; multiple values represent separate source-table limits or conditions.
Plate Resistance (Approx ) — published value 2
925 ohm
Published datasheet value; multiple values represent separate source-table limits or conditions.
Transconductance — published value 1
2000
Published datasheet value; multiple values represent separate source-table limits or conditions.
Transconductance — published value 2
6500
Published datasheet value; multiple values represent separate source-table limits or conditions.
Plate Current — published value 1
5.5 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
Plate Current — published value 2
80 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
Plate Current — published value 3
35 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 1 -Plate of — published value 1
1
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 1 -Plate of — published value 2
6
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 2 -Grid of — published value 1
2
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 2 -Grid of — published value 2
7
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 3 -Grid of — published value 1
3
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 3 -Grid of — published value 2
8
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 4 -Heater — published value 1
4
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 4 -Heater — published value 2
9
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 5 -Heater
5
Published datasheet value; multiple values represent separate source-table limits or conditions.

Other

respect to cathode
200 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
respect to cathode
200 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
DC PLATE VOLTAGE
330 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
PEAK NEGATIVE-PULSE GRID VOLTAGE
400 V
Pulse
Peak
77 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
PLATE DISSIPATION
1.5 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
bias operation
2.2 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
DC PLATE VOLTAGE
275 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
PEAK POSITIVE-PULSE PLATE VOLTAGE#
1500 V
Pulse
PEAK NEGATIVE-PULSE GRID VOLTAGE
250 V
Pulse
Peak
175 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
PLATE DISSIPATION
7 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.

Data set 05

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

Heater Warm-up Time (Average) —
11 s
Characteristic;PublishedValue1
Heater Warm-up Time (Average) —
11 s
Characteristic;PublishedValue2
Peak value
200 V
Characteristic;PublishedValue1
Peak value
200 V
Characteristic;PublishedValue2
Peak value
200 V
Characteristic;PublishedValue3
Average value
100 V
Characteristic;PublishedValue1
Average value
100 V
Characteristic;PublishedValue2
Average value
100 V
Characteristic;PublishedValue3
Plate Voltage
250 V
Characteristic;PublishedValue1
Plate Voltage
150 V
Characteristic;PublishedValue2
Grid Voltage
-11 V
Characteristic;PublishedValue1
Grid Voltage
-17.5 V
Characteristic;PublishedValue2
Plate Resistance (Approx.)
8750 ohm
Characteristic;PublishedValue1
Plate Resistance (Approx.)
925 ohm
Characteristic;PublishedValue2
Transconductance
2000 uS
Characteristic;PublishedValue1
Transconductance
6500 uS
Characteristic;PublishedValue2
Plate Current
5.5 mA
Characteristic;PublishedValue1
Plate Current
35 mA
Characteristic;PublishedValue2
Plate Current for grid voltage of
24 V
Characteristic;PublishedValue1
Plate Current for grid voltage of
-20 V
Characteristic;PublishedValue2
— —
10 mA
Characteristic
Grid Voltage (Approx.) for plate current of
10 uA
Characteristic
Grid Voltage (Approx.) for plate current of
50 V
Characteristic

Capacitance

Grid to Plate
4 pF
Capacitance;PublishedValue1
Grid to Plate
8.5 pF
Capacitance;PublishedValue2
Plate to Cathode and Heater
0.52 pF
Capacitance;PublishedValue1
Plate to Cathode and Heater
1 pF
Capacitance;PublishedValue2

Other

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 "
175 mA
MaximumRating
Average Cathode Current
22 mA
MaximumRating;PublishedValue1
Average Cathode Current
60 mA
MaximumRating;PublishedValue2
Plate Dissipation
1.6 W
MaximumRating;PublishedValue1
Plate Dissipation
7 W
MaximumRating;PublishedValue2
For grid-resistor bias or cathode-bias operation
2.2 megohm
MaximumCircuitValue;PublishedValue1
For grid-resistor bias or cathode-bias operation
2.2 megohm
MaximumCircuitValue;PublishedValue2
PLATE
92 V
MaximumCircuitValue
Maximum Plate Voltage
330 V
Section1
Maximum Plate Dissipation
1.6 W
Section1
Maximum Cathode Current
22 mA
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