NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

1H5GT
Diode - High-Mu Triode

EIA Base & Outline

EIA Base: 5ZEIA Bulb: 9-18

Substitute Data

Substitutes ................................... HD14
Source ........................................ RCA RC-15 - 1947

Application

Source ........................................ RCA RC-15 - 1947
Glass octal type used as combined detector and amplifier in battery-operated receivers. Requires octal socket.

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 ...................................... 5Z
Top Cap ....................................... Miniature
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)

Triode
Source ........................................ RCA RC-15 - 1947
Input ......................................... 1.1 pf
Output ........................................ 4.6 pf
Grid to Plate ................................. 1 pf

Maximum Ratings (Design Center Values)

Triode
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 110 V

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 90 V
Grid No. 1 Voltage ............................ 0 V
Amplification Factor .......................... 65
Plate Resistance (approx) ..................... 240K Ω
Transconductance .............................. 275 µMho
Plate Current ................................. 0.15 mA

A horizontal ribbon.

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A horizontal ribbon.

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Fri, 19 Aug 2022 22:07:06 -0700