NJ7P SQL Tube Database Query

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6FX7
Medium-Mu Twin Triode

EIA Base & Outline

Application

Source ........................................ GE - 1973
Subminiature type used in compact, ruggedized radio equipment.

Mechanical Data

Source ........................................ GE - 1973
Bulb .......................................... T-3
Base Type ..................................... Wire Leads
Maximum Overall Height ........................ 1.969 In.
Maximum Diameter .............................. 0.512 In.
EIA Base ...................................... 8LK

Electrical Data

Source ........................................ GE - 1973
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.3 A

Maximum Ratings (Design Center Values)

Each Triode
Source ........................................ GE - 1973
Plate Voltage ................................. 100 V
Plate Dissipation ............................. 1.7 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ GE - 1973
Plate Voltage ................................. 90 V
Grid No. 1 Voltage ............................ 1.0 V
Amplification Factor .......................... 36
Plate Resistance (approx) ..................... 3800 Ω
Transconductance .............................. 9500 µ
Plate Current ................................. 9.0 mA

If you are uncertain about the EIA designator for a particular tube please use the "Index" button to list all the tubes in the database. You can click on the designator for the closest tube.

(c) 1994-2021 by William A. Beech, NJ7P

Wed, 08 Feb 2023 23:28:06 -0700