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Voltage Triode Pentode ·Pentode-Triode

5JW8

Combined medium-mu triode and sharp-cutoff pentode for television horizontal oscillator, multivibrator, frequency-control, and related amplifier circuits.

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

Description

Medium-mu triode plus sharp-cutoff pentode used as a horizontal oscillator and frequency-control tube in television receivers.

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

9AE - Terminal pinout

Electrical assignments shared by every tube using this base designation.

TerminalSectionConnectionEvidence
PIN12PBP — Plate (Anode)

Chart transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 131, 9AE

PIN21G1AG1 — Control Grid

Chart transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 131, 9AE

PIN31G2AG2 — Screen Grid

Chart transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 131, 9AE

PIN4H—H — Heater

Chart transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 131, 9AE

PIN5H—H — Heater

Chart transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 131, 9AE

PIN61PAP — Plate (Anode)

Chart transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 131, 9AE

PIN71G3AG3 — Suppressor GridGroup 9AE7

Source transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 131, 9AE

PIN7ISAIS — Internal ScreenGroup 9AE7

Source transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 131, 9AE

PIN71KAK — CathodeGroup 9AE7

Source transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 131, 9AE

PIN82KBK — Cathode

Source transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 131, 9AE

PIN92G1BG1 — Control Grid

Source transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 131, 9AE

Section ratings

2 physical sections, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
8500 Ω
Transconductance
0.0035 S
Amplification factor
70
Max plate voltage
260 V
Max plate dissipation
1.4 W
Max cathode current
10 mA

Published ratings/characteristics promoted from supplied source; additional conditions retained in parameter table.

Section 2

Pentode

X-ray radiationInterelectrode capacitances
Plate resistance
200000 Ω
Transconductance
0.0056 S
Max plate voltage
250 V
Max screen voltage
250 V
Max plate dissipation
1.2 W
Max screen dissipation
0.8 W
Max cathode current
60 mA

Published ratings/characteristics promoted from supplied source; additional conditions retained in parameter table.

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

1964 RMA EIA

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Heater Voltage

    4.7 V

  • Heater Current

    600 mA

  • EquivalentElectricalType

    6JW8

    ExceptHeater

  • Application

    Horizontal oscillator and AFC

    Television

SECTION 2

Pentode

Characteristic

  • EquivalentElectricalType

    6JW8

    ExceptHeater

Data set 02

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Heater Voltage (ac/dc) 4.7 6.3 6

    9 V

    Published in approved ECF802 target datasheet entry; Section1

  • Heater Current 0.6 0.43 0.45

    300 mA

    Published in approved ECF802 target datasheet entry; Section1

  • Plate Supply Voltage 550

    650 V

    Published in approved ECF802 target datasheet entry; Section1

  • Plate Voltage 260

    250 V

    Published in approved ECF802 target datasheet entry; Section1

  • Grid-No.Z Voltage

    250 V

    Published in approved ECF802 target datasheet entry; Section1

  • Peak Cathode Current*

    60 mA

    Published in approved ECF802 target datasheet entry; Section1

  • Cathode Current 10

    15 mA

    Published in approved ECF802 target datasheet entry; Section1

  • Plate Dissipation 1.4

    1.2 W

    Published in approved ECF802 target datasheet entry; Section1

  • Grid-No.2 Input

    0.8 W

    Published in approved ECF802 target datasheet entry; Section1

  • Input Impedance at 60 Hz 50

    300 kΩ

    Published in approved ECF802 target datasheet entry; Section1

  • Plate Voltage 200

    100 V

    Published in approved ECF802 target datasheet entry; Section1

  • For grid current of 10 /tA

    10 mA

    Published in approved ECF802 target datasheet entry; Section1

  • Grid-No.2 Current for grid-No.l voltage of

    0 V

    Published in approved ECF802 target datasheet entry; Section1

  • —

    3.5 mA

    Published in approved ECF802 target datasheet entry; Section1

  • For grid-No.l current of +0.3 iiK —1.3

    -1.3 V

    Published in approved ECF802 target datasheet entry; Section1

  • For plate and grid-No.2 voltage of

    200 V

    Published in approved ECF802 target datasheet entry; Section1

  • and plate current of 10 /lA —

    -16 V

    Published in approved ECF802 target datasheet entry; Section1

  • For fixed-bias operation

    0.56 MΩ

    Published in approved ECF802 target datasheet entry; Section1

  • For cathode-bias operation 3

    1 MΩ

    Published in approved ECF802 target datasheet entry; Section1

  • • With a maximum duty factor of 0.30 and maximum pulse duration of

    30 microseconds

    Published in approved ECF802 target datasheet entry; Section1

  • Heater Voltage (ac/dc) 6.3 12.7 16.8 24.2

    25.2 V

    Published in approved ECF802 target datasheet entry; Section1

  • Heater Current 1.2 0.6 0.45 0.315

    300 mA

    Published in approved ECF802 target datasheet entry; Section1

  • Heater Warm-up Time . 11 11

    11 seconds

    Published in approved ECF802 target datasheet entry; Section1

  • Plate Voltage 150 45

    120 V

    Published in approved ECF802 target datasheet entry; Section1

  • Grid-No.2 (Screen-Grid) Voltage 110

    110 V

    Published in approved ECF802 target datasheet entry; Section1

  • Grid-No.l (Control-Grid) Voltage —6 0

    -8 V

    Published in approved ECF802 target datasheet entry; Section1

  • Plate Resistance (Approx.) 8500

    11700 Ω

    Published in approved ECF802 target datasheet entry; Section1

  • Transconductance 2350

    7100 µS

    Published in approved ECF802 target datasheet entry; Section1

  • Plate Current 5.5 122

    46 mA

    Published in approved ECF802 target datasheet entry; Section1

  • 16.5"

    3.5 mA

    Published in approved ECF802 target datasheet entry; Section1

  • of 10 hK

    -10 V

    Published in approved ECF802 target datasheet entry; Section1

Characteristic

  • Grid-No.l (Control-Grid) Voltage —2

    1 V

    Published in approved ECF802 target datasheet entry; Section1

  • Input Resistance 0.2

    0.4 MΩ

    Published in approved ECF802 target datasheet entry; Section1

  • Transconductance 3500

    5600 µS

    Published in approved ECF802 target datasheet entry; Section1

  • Plate Current 3.5

    6 mA

    Published in approved ECF802 target datasheet entry; Section1

  • Grid-No.2 Current

    1.7 mA

    Published in approved ECF802 target datasheet entry; Section1

  • For grid-No.l voltage of

    0 V

    Published in approved ECF802 target datasheet entry; Section1

SECTION 2

Pentode

Other

  • Heater Voltage (ac/dc) 4.7 6.3 6

    9 V

    Published in approved ECF802 target datasheet entry; Section2

  • Heater Current 0.6 0.43 0.45

    300 mA

    Published in approved ECF802 target datasheet entry; Section2

  • Plate Supply Voltage 550

    650 V

    Published in approved ECF802 target datasheet entry; Section2

  • Plate Voltage 260

    250 V

    Published in approved ECF802 target datasheet entry; Section2

  • Grid-No.Z Voltage

    250 V

    Published in approved ECF802 target datasheet entry; Section2

  • Peak Cathode Current*

    60 mA

    Published in approved ECF802 target datasheet entry; Section2

  • Cathode Current 10

    15 mA

    Published in approved ECF802 target datasheet entry; Section2

  • Plate Dissipation 1.4

    1.2 W

    Published in approved ECF802 target datasheet entry; Section2

  • Grid-No.2 Input

    0.8 W

    Published in approved ECF802 target datasheet entry; Section2

  • Input Impedance at 60 Hz 50

    300 kΩ

    Published in approved ECF802 target datasheet entry; Section2

  • Plate Voltage 200

    100 V

    Published in approved ECF802 target datasheet entry; Section2

  • For grid current of 10 /tA

    10 mA

    Published in approved ECF802 target datasheet entry; Section2

  • Grid-No.2 Current for grid-No.l voltage of

    0 V

    Published in approved ECF802 target datasheet entry; Section2

  • —

    3.5 mA

    Published in approved ECF802 target datasheet entry; Section2

  • For grid-No.l current of +0.3 iiK —1.3

    -1.3 V

    Published in approved ECF802 target datasheet entry; Section2

  • For plate and grid-No.2 voltage of

    200 V

    Published in approved ECF802 target datasheet entry; Section2

  • and plate current of 10 /lA —

    -16 V

    Published in approved ECF802 target datasheet entry; Section2

  • For fixed-bias operation

    0.56 MΩ

    Published in approved ECF802 target datasheet entry; Section2

  • For cathode-bias operation 3

    1 MΩ

    Published in approved ECF802 target datasheet entry; Section2

  • • With a maximum duty factor of 0.30 and maximum pulse duration of

    30 microseconds

    Published in approved ECF802 target datasheet entry; Section2

  • Heater Voltage (ac/dc) 6.3 12.7 16.8 24.2

    25.2 V

    Published in approved ECF802 target datasheet entry; Section2

  • Heater Current 1.2 0.6 0.45 0.315

    300 mA

    Published in approved ECF802 target datasheet entry; Section2

  • Heater Warm-up Time . 11 11

    11 seconds

    Published in approved ECF802 target datasheet entry; Section2

  • Plate Voltage 150 45

    120 V

    Published in approved ECF802 target datasheet entry; Section2

  • Grid-No.2 (Screen-Grid) Voltage 110

    110 V

    Published in approved ECF802 target datasheet entry; Section2

  • Grid-No.l (Control-Grid) Voltage —6 0

    -8 V

    Published in approved ECF802 target datasheet entry; Section2

  • Plate Resistance (Approx.) 8500

    11700 Ω

    Published in approved ECF802 target datasheet entry; Section2

  • Transconductance 2350

    7100 µS

    Published in approved ECF802 target datasheet entry; Section2

  • Plate Current 5.5 122

    46 mA

    Published in approved ECF802 target datasheet entry; Section2

  • 16.5"

    3.5 mA

    Published in approved ECF802 target datasheet entry; Section2

  • of 10 hK

    -10 V

    Published in approved ECF802 target datasheet entry; Section2

Characteristic

  • Grid-No.l (Control-Grid) Voltage —2

    1 V

    Published in approved ECF802 target datasheet entry; Section2

  • Input Resistance 0.2

    0.4 MΩ

    Published in approved ECF802 target datasheet entry; Section2

  • Transconductance 3500

    5600 µS

    Published in approved ECF802 target datasheet entry; Section2

  • Plate Current 3.5

    6 mA

    Published in approved ECF802 target datasheet entry; Section2

  • Grid-No.2 Current

    1.7 mA

    Published in approved ECF802 target datasheet entry; Section2

  • For grid-No.l voltage of

    0 V

    Published in approved ECF802 target datasheet entry; Section2