NJ7P SQL Tube Database Query

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6GE8
Low-Mu Triode - Pentode

EIA Base & Outline

EIA Base: 9LCEIA Bulb: 6-3

Substitute Data

Preferred Substitutes ......................... 7734
Source ........................................ GE - 1973

Mechanical Data

Source ........................................ GE - 1973
Bulb .......................................... T-6 1/2
EIA Outline ................................... 6-3
EIA Base ...................................... 9LC

Electrical Data

Source ........................................ GE - 1973
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.9 A

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ GE - 1973
Plate Voltage ................................. 330 V
Grid No. 2 Voltage ............................ 275 V
Plate Dissipation ............................. 1.0 W
Grid No. 2 Dissipation ........................ 0.5 W

Triode
Source ........................................ GE - 1973
Plate Voltage ................................. 275 V
Plate Dissipation ............................. 7.0 W

Characteristics and Typical Operation

Pentode Class A Amplifier
Source ........................................ GE - 1973
Plate Voltage ................................. 150 V
Grid No. 2 Voltage ............................ 150 V
Grid No. 1 Voltage ............................ -2.0 V
Plate Resistance (approx) ..................... 3200 Ω
Plate Current ................................. 5.5 mA
Grid No. 2 Current ............................ 1.7 mA

Triode Class A Amplifier
Source ........................................ GE - 1973
Plate Voltage ................................. 150 V
Grid No. 1 Voltage ............................ -21 V
Plate Resistance (approx) ..................... 5000 Ω
Transconductance .............................. 5.4 µMho
Plate Current ................................. 35 mA

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Sat, 04 Dec 2021 15:54:32 -0700