NJ7P SQL Tube Database Query

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6S4
Medium-Mu Triode

EIA Base & Outline

EIA Base: 9ACEIA Bulb: 6-3
Source ........................................ TungSol

Application

Source ........................................ TungSol
Miniature type used as a vertical-deflection amplifier in television receivers. Requires miniature 7-contact socket.

Mechanical Data

Source ........................................ TungSol
Bulb .......................................... T-6 1/2
Base Type ..................................... Small Button 9-Pin
EIA Outline ................................... 6-3
EIA Base ...................................... 9AC
Mounting Position ............................. Any

Electrical Data

Source ........................................ TungSol
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.6 A

Direct Interelectrode Capacitances (approx)

Triode
Source ........................................ TungSol
Input ......................................... 4.2 pf
Output ........................................ 0.9 pf
Grid to Plate ................................. 2.6 pf

Maximum Ratings (Design Center Values)

Triode
Source ........................................ TungSol
Plate Voltage ................................. 500 V
Plate Dissipation ............................. 7.5 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ TungSol
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ -8 V
Amplification Factor .......................... 16
Plate Resistance (approx) ..................... 3.6K Ω
Transconductance .............................. 4500 µMho
Plate Current ................................. 26 mA

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Sat, 25 Jun 2022 10:17:40 -0700