NJ7P SQL Tube Database Query

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6EQ7
Diode - Remote-Cutoff Pentode

EIA Base & Outline

EIA Base: 9LQEIA Bulb: 6-3

Substitute Data

Preferred Substitutes ......................... 6KL8
Source ........................................ Sylvania

Application

Source ........................................ Sylvania
Miniature type used as a combined detector, avc and if amplifier. Requires miniature 9-contact socket.

Mechanical Data

Source ........................................ Sylvania
Bulb .......................................... T-6 1/2
EIA Outline ................................... 6-3
EIA Base ...................................... 9LQ

Electrical Data

Source ........................................ Sylvania
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.3 A

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ Sylvania
Input ......................................... 5.5 pf
Output ........................................ 5 pf
Grid to Plate ................................. 0.002 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ Sylvania
Plate Voltage ................................. 300 V
Grid No. 2 Voltage ............................ 300 V
Plate Dissipation ............................. 3.0 W
Grid No. 2 Dissipation ........................ 0.6 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ Sylvania
Plate Voltage ................................. 100 V
Grid No. 2 Voltage ............................ 100 V
Grid No. 1 Voltage ............................ 0 V
Plate Resistance (approx) ..................... 250K Ω
Transconductance .............................. 3800 µMho
Plate Current ................................. 9 mA
Grid No. 2 Current ............................ 3.5 mA

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Wed, 30 Nov 2022 03:58:35 -0700