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Voltage Pentode - Sharp Cutoff (single) ·Pentode

6JD6

Frame-grid sharp-cutoff miniature pentode for television IF amplification around 40 MHz.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: E9-1
Socket code: B9A
Base pins: 9
Nominal heater: 6.3 V / 300 mA

Description

Sharp-cutoff frame-grid miniature pentode used as a television IF amplifier around 40 MHz.

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: E9-1
Socket code: B9A
Base pins: 9
Nominal heater voltage: 6.3 V
Nominal heater current: 300 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

E9-1 - 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

Pentode

X-ray radiationInterelectrode capacitances

Plate resistance: 160000 Ω
Transconductance: 0.014 S
Max plate voltage: 330 V
Max screen voltage: 330 V
Max plate dissipation: 2.5 W
Max screen dissipation: 0.6 W

Published ratings/characteristics promoted from supplied datasheet.

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

Pentode

Other

Plate Voltage
125 V
Average characteristics
Screen Voltage
125 V
Average characteristics

Characteristic

Plate Current
15 mA
Average characteristics
Screen Current
4 mA
Average characteristics

Data set 02

1965 Sylvania Electronic Tubes Vol3

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Plate voltage
125 V
Screen-grid voltage
125 V
Cathode bias resistor
56 Ohm
Plate current
15 mA
Screen-grid current
4 mA

Characteristics

Plate resistance
160000 Ohm
Transconductance
14000 uS
Control-grid cutoff voltage
-4.5 V
At600uS

Data set 03

1965 Westinghouse Data Book

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

Heater Voltage
6.3 V
Heater Current
300 mA
Plate Resistance
160000 ohm
Transconductance
14000 uS

Other

Maximum Plate Voltage
330 V
Maximum Plate Dissipation
2.5 W
Maximum Screen Supply Voltage
330 V
Maximum Screen Dissipation
0.6 W
Plate Voltage
125 V
Screen Voltage
125 V
Plate Current
15 mA
Screen Current
4 mA

Data set 04

1966 Tung Sol Electronic Tubes 2 of 4

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Plate voltage
125 V
IFAmplifier
Grid 2 voltage
125 V
IFAmplifier
Cathode bias resistor
56 ohm
IFAmplifier
Plate current
15 mA
IFAmplifier
Grid 2 current
4 mA
IFAmplifier

Data set 05

1971 RCA HB3 Binder 5 of 7

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Voltage (AC or DC) g,
3 V
Published table value column 1
Voltage (AC or DC) g,
0.6 V
Published table value column 2
Current at heater volts =
6.3 V
Published table value column 1
Current at heater volts =
0.3 V
Published table value column 2
respect to cathode
200 V
Published table value
Grid No
1 pF
Published table value column 1
Grid No
0.019 pF
Published table value column 2
Plate Supply Voltage
125 V
Published table value
Grid-No
3 V
Published table value column 1
Grid-No
0 V
Published table value column 2
Grid-No
2 V
Published table value column 1
Grid-No
125 V
Published table value column 2
Grid-No.l Supply Voltage
0 V
Published table value
Cathode Resistor
56 Ω
Published table value
Plate Current
15 mA
Published table value
Grid-No
2 mA
Published table value column 1
Grid-No
4 mA
Published table value column 2
PLATE VOLTAGE
330 V
Published table value
GRID-No
2 V
Published table value column 1
GRID-No
330 V
Published table value column 2
GRID-N
2 a
Published table value
between
165 V
Published table value column 1
between
330 V
Published table value column 2
PLATE DISSIPATION
2 W
Published table value column 1
PLATE DISSIPATION
5 W
Published table value column 2
for cathode-bias operation
1 MΩ
Published table value
GRID—No
2 VOLTS
Published table value column 1
GRID—No
125 VOLTS
Published table value column 2
PLATE VOLTS=
125 VOLTS
Published table value

Characteristics

Plate Resistance (Approx )
160000 Ω
Published table value
Transconductance
14000 µS
Published table value
transconductance (µmhos) =
600 µS
Published table value column 1
transconductance (µmhos) =
-4.5 µS
Published table value column 2

Data set 06

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Peak value
200 V
Other;PublishedValue1
Peak value
200 V
Other;PublishedValue2
Average value
100 V
Other;PublishedValue1
Average value
100 V
Other;PublishedValue2
Plate Voltage
330 V
MaximumRating
Grid-No.3 (Suppressor-Grid) Voltage, Positive value
0 V
MaximumRating
Grid-No.2 (Screen-Grid) Supply Voltage
330 V
MaximumRating
Grid-No.l (Control-Grid) Voltage, Positive-bias value
0 V
MaximumRating
Plate Dissipation
2.5 W
MaximumRating
For grid-No.2 voltages up to 165 volts
0.6 V
MaximumRating
PLATE VOLTS
5 V
MaximumRating
For fixed-bias operation
0.25 megohm
MaximumCircuitValue
For cathode-bias operation
1 megohm
MaximumCircuitValue

Capacitance

Grid No.l to Plate
0.019 pF
Capacitance
Internal Shield
8.2 pF
Capacitance

Characteristic

Plate Supply Voltage
125 V
Characteristic
Grid-No.3 Voltage
0 V
Characteristic
Grid-No.2 Supply Voltage
125 V
Characteristic
Grid-No.l Supply Voltage
0 V
Characteristic
Cathode-Bias Resistor
56 ohm
Characteristic
Plate Resistance (Approx.)
160000 ohm
Characteristic
Transconductance
14000 uS
Characteristic
Plate Current
15 mA
Characteristic
Grid-No.2 Current
4 mA
Characteristic