NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

5854
Beam Power Tube

EIA Base & Outline

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

Application

Subminiature type used in output stages 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 V
Heater Current ................................ 0.03 A

Maximum Ratings (Design Center Values)

Pentode
Plate Voltage ................................. 50 V
Grid No. 2 Voltage ............................ 50 V

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 45 V
Grid No. 2 Voltage ............................ 45 V
Grid No. 1 Voltage ............................ -2.0 V
Plate Resistance (approx) ..................... 350K Ω
Transconductance .............................. 550 µMho
Plate Current ................................. 0.8 mA
Grid No. 2 Current ............................ 0.25 mA
Load Resistance ............................... 50K Ω
Power Output (approx) ......................... 0.0095 W

A horizontal ribbon.

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A horizontal ribbon.

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Wed, 08 Dec 2021 21:18:58 -0700