NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

6GU7
Medium-Mu Twin Triode

EIA Base & Outline

EIA Base: 9LPEIA Bulb: 6-3

Substitute Data

Preferred Substitutes ......................... 6FQ7
Substitutes ................................... 6EV7
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Miniature type used in the matrixing circuits of tv receivers and in phase-inverter, multivibrator and general-purpose amplifier applications. Requires miniature 9-contact socket.

Mechanical Data

Source ........................................ RCA RC-29 - 1975
Bulb .......................................... T-6 1/2
EIA Outline ................................... 6-3
EIA Base ...................................... 9LP

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.6 A

Direct Interelectrode Capacitances (approx)

Triode 1
Source ........................................ RCA RC-29 - 1975
Input ......................................... 3.4 pf
Output ........................................ 0.44 pf
Grid to Plate ................................. 3 pf

Triode 2
Source ........................................ RCA RC-29 - 1975
Input ......................................... 3.6 pf
Output ........................................ 0.34 pf
Grid to Plate ................................. 3 pf

Maximum Ratings (Design Center Values)

Triode 1
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 330 V
Plate Dissipation ............................. 3.0 W

Triode 2
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 330 V
Plate Dissipation ............................. 3.0 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ -10.5 V
Amplification Factor .......................... 17
Plate Resistance (approx) ..................... 5500 Ω
Transconductance .............................. 3100 µMho
Plate Current ................................. 11.5 mA

A horizontal ribbon.

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A horizontal ribbon.

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Tue, 09 Aug 2022 06:11:47 -0700