NJ7P SQL Tube Database Query

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6FY8
Triode - Pentode

EIA Base & Outline

EIA Base: 9EXEIA Bulb: 6-4

Substitute Data

Substitutes ................................... 6BM8
Source ........................................ GE - 1973

Mechanical Data

Source ........................................ GE - 1973
Bulb .......................................... T-6 1/2
EIA Outline ................................... 6-4
EIA Base ...................................... 9EX

Electrical Data

Source ........................................ GE - 1973
Heater Voltage ................................ 6.3 V
Heater Current ................................ 1.2 A

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ GE - 1973
Plate Voltage ................................. 150 V
Grid No. 2 Voltage ............................ 150 V
Plate Dissipation ............................. 8.0 W
Grid No. 2 Dissipation ........................ 2.0 W

Triode
Source ........................................ GE - 1973
Plate Voltage ................................. 150 V
Plate Dissipation ............................. 1.0 W

Characteristics and Typical Operation

Pentode Class A Amplifier
Source ........................................ GE - 1973
Plate Voltage ................................. 125 V
Grid No. 2 Voltage ............................ 125 V
Grid No. 1 Voltage ............................ -13.5 V
Transconductance .............................. 7500 µMho
Plate Current ................................. 50 mA
Grid No. 2 Current ............................ 10 mA
Load Resistance ............................... 2K Ω
Power Output (approx) ......................... 2.7 W

Triode Class A Amplifier
Source ........................................ GE - 1973
Plate Voltage ................................. 125 V
Grid No. 1 Voltage ............................ -1.5 V
Transconductance .............................. 2000 µMho
Plate Current ................................. 2.5 mA

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This database contains data on thousands of tubes. Every effort has been made to insure the accuracy of this reference, however, I assume no liability for the results of using information contained herein.

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Fri, 09 Dec 2022 06:30:31 -0700