NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

3C5GT
Power Output Pentode

EIA Base & Outline

EIA Base: 7AQEIA Bulb: 9-12
Source ........................................ ARRL HB - 1947

Mechanical Data

Source ........................................ ARRL HB - 1947
EIA Outline ................................... 9-12
EIA Base ...................................... 7AQ

Electrical Data

Source ........................................ ARRL HB - 1947
Filament Voltage .............................. 1.4/2.8 DC V
Filament Current .............................. 0.1/.05 A

Characteristics and Typical Operation

Class A Amplifier (1.4)
Source ........................................ ARRL HB - 1947
Plate Voltage ................................. 90 V
Grid No. 2 Voltage ............................ 90 V
Grid No. 1 Voltage ............................ -9.0 V
Transconductance .............................. 1550 µMho
Plate Current ................................. 6.0 mA
Grid No. 2 Current ............................ 1.4 mA
Load Resistance ............................... 8K Ω
Power Output (approx) ......................... 0.24 W

Class A Amplifier (2.8)
Source ........................................ ARRL HB - 1947
Plate Voltage ................................. 90 V
Grid No. 2 Voltage ............................ 90 V
Grid No. 1 Voltage ............................ -9.0 V
Transconductance .............................. 1450 µMho
Plate Current ................................. 6.0 mA
Grid No. 2 Current ............................ 1.4 mA
Load Resistance ............................... 10K Ω
Power Output (approx) ......................... 0.26 W

A horizontal ribbon.

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A horizontal ribbon.

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Sat, 04 Dec 2021 15:03:01 -0700