NJ7P SQL Tube Database Query

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1AB5
Remote-Cutoff Pentode

EIA Base & Outline

EIA Base: 5BFEIA Bulb: 9-32
Source ........................................ ARRL HB - 1947

Mechanical Data

Source ........................................ ARRL HB - 1947
Bulb .......................................... T-9
Base Type ..................................... Lock-In 8-Pin
EIA Outline ................................... 9-32
EIA Base ...................................... 5BF

Electrical Data

Source ........................................ ARRL HB - 1947
Filament Voltage .............................. 1.2 DC V
Filament Current .............................. 0.05 A

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ ARRL HB - 1947
Plate Voltage ................................. 90 V
Grid No. 2 Voltage ............................ 90 V
Grid No. 1 Voltage ............................ -4.5 V
Plate Resistance (approx) ..................... 275K Ω
Transconductance .............................. 1100 µMho
Plate Current ................................. 3.5 mA
Grid No. 2 Current ............................ 0.8 mA

Class A Amplifier
Source ........................................ ARRL HB - 1947
Plate Voltage ................................. 150 V
Grid No. 2 Voltage ............................ 150 V
Grid No. 1 Voltage ............................ -1.5 V
Plate Resistance (approx) ..................... 125K Ω
Transconductance .............................. 1350 µMho
Plate Current ................................. 6.8 mA
Grid No. 2 Current ............................ 2.0 mA

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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.

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Tue, 29 Nov 2022 00:03:21 -0700