NJ7P SQL Tube Database Query

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A horizontal ribbon.

950
Power Amplifier Pentode

EIA Base & Outline

EIA Base: 5KEIA Bulb: 14-1
Source ........................................ GE - 1973

Mechanical Data

EIA Outline ................................... 14-1
EIA Base ...................................... 5K

Electrical Data

Filament Voltage .............................. 2 DC V
Filament Current .............................. 0.125 A

Maximum Ratings (Design Center Values)

Pentode
Plate Voltage ................................. 135 V
Grid No. 2 Voltage ............................ 135 V

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 135 V
Grid No. 2 Voltage ............................ 135 V
Grid No. 1 Voltage ............................ -16.5 V
Amplification Factor .......................... 100
Plate Resistance (approx) ..................... 100K Ω
Transconductance .............................. 1000 µMho
Plate Current ................................. 7.0 mA
Grid No. 2 Current ............................ 2.0 mA
Load Resistance ............................... 13.5K Ω
Power Output (approx) ......................... 0.45 W

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A horizontal ribbon.

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Mon, 15 Aug 2022 18:33:55 -0700