NJ7P SQL Tube Database Query

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1D5GT
Remote-Cutoff Tetrode

EIA Base & Outline

Substitute Data

Substitutes ................................... 1D5GP
Source ........................................ RCA RC-15 - 1947

Application

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

Source ........................................ RCA RC-15 - 1947
This type was made as a pentode (1D5GP and a tetrode (1D5GT). The 1D5G was a pentode.

Mechanical Data

Source ........................................ RCA RC-15 - 1947
Bulb .......................................... ST-12
Base Type ..................................... Octal
EIA Outline ................................... 12-8
EIA Base ...................................... 5R

Electrical Data

Source ........................................ RCA RC-15 - 1947
Filament Voltage .............................. 2.0 DC V
Filament Current .............................. 0.06 A

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 180 V
Grid No. 2 Voltage ............................ 67.5 V
Grid No. 1 Voltage ............................ -3 V
Plate Resistance (approx) ..................... 600K Ω
Transconductance .............................. 650 µ
Plate Current ................................. 2.2 mA
Grid No. 2 Current ............................ 0.7 mA

If you are uncertain about the EIA designator for a particular tube please use the "Index" button to list all the tubes in the database. You can click on the designator for the closest tube.

(c) 1994-2021 by William A. Beech, NJ7P

Mon, 15 Aug 2022 18:45:24 -0700