NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

5971
Medium-Mu Twin Triode

EIA Base & Outline

EIA Base: 5971EIA Bulb: 2-1
Source ........................................ GE - 1973

Application

Subminiature type used as a general purpose amplifier in 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 ...................................... 5971

Electrical Data

Filament Voltage .............................. 1.25 DC V
Filament Current .............................. 0.08 A

Direct Interelectrode Capacitances (approx)

Triode
Input ......................................... 1.6 pf
Output ........................................ 1.7 pf
Grid to Plate ................................. 2.3 pf

Maximum Ratings (Design Center Values)

Triode
Plate Voltage ................................. 50 V

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 135 V
Grid No. 1 Voltage ............................ -2.5 V
Amplification Factor .......................... 23
Transconductance .............................. 2150 µMho
Plate Current ................................. 4.0 mA

A horizontal ribbon.

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A horizontal ribbon.

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Sat, 02 Jul 2022 08:05:14 -0700