NJ7P SQL Tube Database Query

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1231
Pentode Amplifier

EIA Base & Outline

EIA Base: 8V
Source ........................................ ARRL HB -1947

Mechanical Data

EIA Base ...................................... 8V

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.45 A

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 300 V
Grid No. 2 Voltage ............................ 150 V
Grid No. 1 Voltage ............................ -2.5 V
Plate Resistance (approx) ..................... 390K Ω
Transconductance .............................. 4000 µMho
Plate Current ................................. 10 mA
Grid No. 2 Current ............................ 2.5 mA

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Wed, 29 Mar 2023 06:49:40 -0700