NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

5916
Dual-Control RF Pentode

EIA Base & Outline

EIA Base: 8DCEIA Bulb: 3-1
Source ........................................ GE - 1973

Application

Subminiature type used as rf or if amplifier and oscillator in subminiature equipment. Requires either a subminiature socket or direct soldering of the wires from the tube to circuit components.

Mechanical Data

EIA Outline ................................... 3-1
EIA Base ...................................... 8DC

Electrical Data

Heater Voltage ................................ 26.5 V
Heater Current ................................ 0.045 A

Maximum Ratings (Design Center Values)

Pentode
Plate Voltage ................................. 165 V
Grid No. 2 Voltage ............................ 155 V
Plate Dissipation ............................. 1.1 W
Grid No. 2 Dissipation ........................ 0.7 W

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 100 V
Grid No. 2 Voltage ............................ 100 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 150 Ω
Plate Resistance (approx) ..................... 110K Ω
Transconductance .............................. 3200 µMho
Plate Current ................................. 5.3 mA
Grid No. 2 Current ............................ 3.6 mA

Class A Amplifier
Plate Voltage ................................. 100 V
Grid No. 2 Voltage ............................ 100 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 150 Ω
Plate Resistance (approx) ..................... 50K Ω
Transconductance .............................. 1950 µMho
Plate Current ................................. 4.0 mA
Grid No. 2 Current ............................ 5.8 mA

A horizontal ribbon.

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A horizontal ribbon.

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Sat, 25 Mar 2023 19:49:14 -0700