NJ7P SQL Tube Database Query

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6AG7
Power Pentode

EIA Base & Outline

EIA Base: 8YEIA Bulb: 8-6

Substitute Data

Preferred Substitutes ......................... 6AK7
Source ........................................ GE DS 4/60

Application

Source ........................................ GE DS 4/60
Metal type used in output stage of video amplifier of television receivers. Tube requires octal socket.

Mechanical Data

Source ........................................ GE DS 4/60
Bulb .......................................... MT-8
Base Type ..................................... Small Wafer Octal 8-pin
EIA Outline ................................... 8-6
EIA Base ...................................... 8Y
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ GE DS 4/60
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.65 A
Maximum Heater-Cathode Voltage ................ 90 V

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ GE DS 4/60
Input ......................................... 13 pf
Output ........................................ 7.5 pf
Grid to Plate ................................. 0.06 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ GE DS 4/60
Plate Voltage ................................. 300 V
Grid No. 2 Voltage ............................ 300 V
Positive Grid No. 1 Voltage ................... 0 V
Plate Dissipation ............................. 9 W
Grid No. 2 Dissipation ........................ 1.5 W
Grid No. 1 Circuit Resistance
Fixed Bias ................................. 250K Ω
Self Bias .................................. 1M Ω

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ GE DS 4/60
Plate Voltage ................................. 300 V
Grid No. 2 Voltage ............................ 150 V
Grid No. 1 Voltage ............................ -3 V
Plate Resistance (approx) ..................... 130K Ω
Transconductance .............................. 11K µMho
Plate Current (Zero Signal) ................... 30 mA
Plate Current (Maximum Signal) ................ 30.5 mA
Grid No. 2 Current (Zero Signal) .............. 7 mA
Grid No. 2 Current (Maximum Signal) ........... 9 mA
Load Resistance ............................... 10K Ω
Power Output (approx) ......................... 3 W
Total Harmonic Distortion ..................... 7 %

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Fri, 30 Sep 2022 00:05:00 -0700