NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

6FQ5A
High-Mu Triode

EIA Base & Outline

EIA Base: 7FPEIA Bulb: 5-2

Substitute Data

Preferred Substitutes ......................... 6ER5 6ES5
Substitutes ................................... 6FY5 6GK5
Source ........................................ GE - 1973

Application

Source ........................................ GE - 1973
Novar type used in high-efficiency horizontal-deflection amplifier circuits of TV receivers. Requires novar 9-contact socket. For curve of average plate characteristics, see 6GW6.

Mechanical Data

Source ........................................ GE - 1973
Bulb .......................................... T-5 1/2
EIA Outline ................................... 5-2
EIA Base ...................................... 7FP

Electrical Data

Source ........................................ GE - 1973
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.18 A

Direct Interelectrode Capacitances (approx)

Triode
Source ........................................ GE - 1973
Input ......................................... 5.0 pf
Output ........................................ 3.5 pf
Grid to Plate ................................. 0.52 pf

Maximum Ratings (Design Center Values)

Triode
Source ........................................ GE - 1973
Plate Voltage ................................. 200 V
Plate Dissipation ............................. 2.5 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ GE - 1973
Plate Voltage ................................. 135 V
Grid No. 1 Voltage ............................ -1.2 V
Amplification Factor .......................... 74
Plate Resistance (approx) ..................... 6300 Ω
Transconductance .............................. 12000 µMho
Plate Current ................................. 8.9 mA

A horizontal ribbon.

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A horizontal ribbon.

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Sun, 05 Feb 2023 19:06:44 -0700