NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

5672
Power Amplifier Tube

EIA Base & Outline

EIA Base: 2E31EIA Bulb: 2-1
Source ........................................ GE - 1973

Application

Subminiature type used in power output stage of subminiature equipment. Requires either a subminiature socket or direct soldering of the wires from the tube to circuit components.

Mechanical Data

EIA Outline ................................... 2-1
EIA Base ...................................... 2E31

Electrical Data

Heater Voltage ................................ 1.25 DC V
Heater Current ................................ 0.05 A

Maximum Ratings (Design Center Values)

Pentode
Plate Voltage ................................. 90 V
Grid No. 2 Voltage ............................ 90 V

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 67.5 V
Grid No. 2 Voltage ............................ 67.5 V
Grid No. 1 Voltage ............................ -6.5 V
Transconductance .............................. 650 µMho
Plate Current ................................. 3.25 mA
Grid No. 2 Current ............................ 1.1 mA
Load Resistance ............................... 20K Ω
Power Output (approx) ......................... 0.065 W

A horizontal ribbon.

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A horizontal ribbon.

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Tue, 24 May 2022 02:54:14 -0700