NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

5968
High-Mu Twin Triode

EIA Base & Outline

EIA Base: 8DQEIA Bulb: 3-8
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 ................................... 3-8
EIA Base ...................................... 8DQ

Electrical Data

Filament Voltage .............................. 1.25 V
Filament Current .............................. 0.12 A

Direct Interelectrode Capacitances (approx)

Triode
Input ......................................... 0.9 pf
Output ........................................ 0.9 pf
Grid to Plate ................................. 2.3 pf

Maximum Ratings (Design Center Values)

Triode
Plate Voltage ................................. 45 V

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 45 V
Grid No. 1 Voltage ............................ 0 V
Amplification Factor .......................... 50
Transconductance .............................. 1300 µMho
Plate Current ................................. 0.7 mA

A horizontal ribbon.

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A horizontal ribbon.

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Thu, 18 Aug 2022 19:04:38 -0700