NJ7P SQL Tube Database Query

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A horizontal ribbon.

6CG6
Semiremote-Cutoff Pentode

EIA Base & Outline

EIA Base: 7BKEIA Bulb: 5-2

Substitute Data

Preferred Substitutes ......................... 6BA6 6BD6
Substitutes ................................... 6AU6 6HR6 6HS6
Source ........................................ TungSol

Application

Source ........................................ TungSol
Miniature type used as an rf or if amplifier where avc is employed. Requires miniature 7-contact socket.

Mechanical Data

Source ........................................ TungSol
Bulb .......................................... T-5 1/2
EIA Outline ................................... 5-2
EIA Base ...................................... 7BK

Electrical Data

Source ........................................ TungSol
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.3 A

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ TungSol
Input ......................................... 5 pf
Output ........................................ 5 pf
Grid to Plate ................................. 0.008 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ TungSol
Plate Voltage ................................. 300 V
Grid No. 2 Voltage ............................ 150 V
Plate Dissipation ............................. 4 W
Grid No. 2 Dissipation ........................ 0.75 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ TungSol
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 150 V
Grid No. 1 Voltage ............................ -8 V
Plate Resistance (approx) ..................... 720K Ω
Transconductance .............................. 2000 µMho
Plate Current ................................. 9 mA
Grid No. 2 Current ............................ 2.3 mA

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A horizontal ribbon.

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Tue, 04 Oct 2022 15:46:24 -0700