NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

6JW8
Medium-Mu Triode - Sharp-Cutoff Pentode

EIA Base & Outline

EIA Base: 9AEEIA Bulb: 6-2

Substitute Data

Preferred Substitutes ......................... 6LX8
Substitutes ................................... 6KE8 6MG8
Source ........................................ GE DS 8-71

Application

Source ........................................ GE DS 8-71
Miniature type used as horizontal-oscillator and frequency control tube in color and bw tv receivers. Requires miniature 9-contact socket.

Mechanical Data

Source ........................................ GE DS 8-71
Bulb .......................................... T-6 1/2
EIA Outline ................................... 6-2
EIA Base ...................................... 9AE

Electrical Data

Source ........................................ GE DS 8-71
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.45 A

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ GE DS 8-71
Input ......................................... 5.5 pf
Output ........................................ 3.4 pf
Grid to Plate ................................. 0.01 pf

Triode
Source ........................................ GE DS 8-71
Input ......................................... 3.2 pf
Output ........................................ 1.9 pf
Grid to Plate ................................. 1.8 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ GE DS 8-71
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 250 V
Plate Dissipation ............................. 1.2 W
Grid No. 2 Dissipation ........................ 0.8 W

Triode
Source ........................................ GE DS 8-71
Plate Voltage ................................. 250 V
Plate Dissipation ............................. 1.4 W

Characteristics and Typical Operation

Triode Class A Amplifier
Source ........................................ GE DS 8-71
Plate Voltage ................................. 200 V
Grid No. 1 Voltage ............................ -2 V
Amplification Factor .......................... 70
Plate Resistance (approx) ..................... 20K Ω
Transconductance .............................. 3500 µMho
Plate Current ................................. 3.5 mA

Pentode Class A Amplifier
Source ........................................ GE DS 8-71
Plate Voltage ................................. 100 V
Grid No. 2 Voltage ............................ 100 V
Grid No. 1 Voltage ............................ -1 V
Plate Resistance (approx) ..................... 400K Ω
Transconductance .............................. 5500 µMho
Plate Current ................................. 6 mA
Grid No. 2 Current ............................ 1.7 mA

A horizontal ribbon.

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A horizontal ribbon.

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Thu, 20 Jan 2022 17:00:48 -0700