NJ7P SQL Tube Database Query

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1LG5
Remote-Cutoff Pentode

EIA Base & Outline

EIA Base: 7AOEIA Bulb: 9-30

Substitute Data

Preferred Substitutes ......................... 1LN5
Substitutes ................................... 1LC5
Source ........................................ RCA RC-20 - 1960

Mechanical Data

Source ........................................ RCA RC-20 - 1960
Bulb .......................................... T-9
Base Type ..................................... Lock-In 8-Pin
EIA Outline ................................... 9-30
EIA Base ...................................... 7AO

Electrical Data

Source ........................................ RCA RC-20 - 1960
Filament Voltage .............................. 1.4 DC V
Filament Current .............................. 0.05 A

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-20 - 1960
Plate Voltage ................................. 90 V
Grid No. 2 Voltage ............................ 45 V
Grid No. 1 Voltage ............................ 0 V
Plate Resistance (approx) ..................... 1M Ω
Transconductance .............................. 800 µMho
Plate Current ................................. 1.7 mA
Grid No. 2 Current ............................ 0.4 mA

Class A Amplifier
Source ........................................ RCA RC-20 - 1960
Plate Voltage ................................. 90 V
Grid No. 2 Voltage ............................ 90 V
Grid No. 1 Voltage ............................ -1.5 V
Plate Resistance (approx) ..................... 500K Ω
Transconductance .............................. 1150 µMho
Plate Current ................................. 3.7 mA
Grid No. 2 Current ............................ 0.9 mA

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Tue, 29 Nov 2022 01:43:01 -0700