NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

1J5G
Power Pentode

EIA Base & Outline

EIA Base: 6XEIA Bulb: 14-3

Substitute Data

Preferred Substitutes ......................... 1G5
Substitutes ................................... 1F5
Source ........................................ RCA RC-15 - 1947

Application

Source ........................................ RCA RC-15 - 1947
Glass octal type used in output stage of battery-operated receivers. Requires octal socket.

Mechanical Data

Source ........................................ RCA RC-15 - 1947
Bulb .......................................... ST-14
Base Type ..................................... Octal
EIA Outline ................................... 14-3
EIA Base ...................................... 6X

Electrical Data

Source ........................................ RCA RC-15 - 1947
Filament Voltage .............................. 2.0 DC V
Filament Current .............................. 0.12 A

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 135 V
Grid No. 2 Voltage ............................ 135 V

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 135 V
Grid No. 2 Voltage ............................ 135 V
Grid No. 1 Voltage ............................ -16.3 V
Plate Resistance (approx) ..................... 105K Ω
Transconductance .............................. 950 µMho
Plate Current ................................. 7.0 mA
Grid No. 2 Current ............................ 2.0 mA
Load Resistance ............................... 13.5K Ω
Power Output (approx) ......................... 0.45 W

A horizontal ribbon.

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A horizontal ribbon.

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Mon, 30 Jan 2023 01:32:58 -0700