NJ7P SQL Tube Database Query

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1H4GT
Medium-Mu Triode

EIA Base & Outline

EIA Base: 5SEIA Bulb: 9-11 9-41

Substitute Data

Preferred Substitutes ......................... DAC32
Substitutes ................................... 1E4 1G4
Source ........................................ RCA RC-15 - 1947

Mechanical Data

Source ........................................ RCA RC-15 - 1947
Bulb .......................................... T-9
Base Type ..................................... Octal
EIA Outline ................................... 9-11 9-41
EIA Base ...................................... 5S

Electrical Data

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

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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.

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This database contains data on thousands of tubes. Every effort has been made to insure the accuracy of this reference, however, I assume no liability for the results of using information contained herein.

Other Tube Search Engines:
Frank's Electron Tube Pages

Complete Tube Manuals:
Tube Manual Index from NJ7P

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

Mon, 06 Feb 2023 18:25:41 -0700