NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

1N5GT
Sharp-Cutoff Pentode

EIA Base & Outline

EIA Base: 5YEIA Bulb: 9-18

Substitute Data

Preferred Substitutes ......................... 1P5
Substitutes ................................... 1D5 1E5
Source ........................................ RCA RC-15 - 1947

Application

Source ........................................ RCA RC-15 - 1947
Glass octal type used as rf or if amplifier in battery-operated receivers.

Mechanical Data

Source ........................................ RCA RC-15 - 1947
Bulb .......................................... T-9
Base Type ..................................... Small Wafer Octal 7-Pin with Metal Sleeve
EIA Outline ................................... 9-18
EIA Base ...................................... 5Y
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-15 - 1947
Filament Voltage .............................. 1.4 DC V
Filament Current .............................. 0.05 A

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ RCA RC-15 - 1947
Input ......................................... 3 pf
Output ........................................ 10 pf
Grid to Plate ................................. 0.007 pf

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 90 V
Grid No. 2 Voltage ............................ 90 V
Grid No. 1 Voltage ............................ 0 V
Plate Resistance (approx) ..................... 1.5M Ω
Transconductance .............................. 750 µMho
Plate Current ................................. 1.2 mA
Grid No. 2 Current ............................ 0.3 mA

A horizontal ribbon.

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A horizontal ribbon.

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Fri, 19 Aug 2022 22:52:39 -0700