NJ7P SQL Tube Database Query

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6EJ7
Sharp-Cutoff Pentode

EIA Base & Outline

EIA Base: 9AQEIA Bulb: 6-20

Substitute Data

Substitutes ................................... 6EH7 6GK7
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Miniature type used as if amplifier tubes in color and black-and-white television receivers. Requires miniature 9-contact socket.

Mechanical Data

Source ........................................ RCA RC-29 - 1975
Bulb .......................................... T-6 1/2
Base Type ..................................... Miniature Button 9-Pin
EIA Outline ................................... 6-20
Maximum Overall Height ........................ 2.406 In.
Maximum Seated Height ......................... 2.156 In.
Maximum Diameter .............................. 0.875 In.
EIA Base ...................................... 9AQ

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.3 A

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ RCA RC-29 - 1975
Input ......................................... 10 pf
Output ........................................ 3 pf
Grid to Plate ................................. 0.01 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 250 V
Plate Dissipation ............................. 2.5 W
Grid No. 2 Dissipation ........................ 0.9 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 200 V
Grid No. 2 Voltage ............................ 200 V
Grid No. 1 Voltage ............................ -2.5 V
Plate Resistance (approx) ..................... 350K Ω
Transconductance .............................. 15K µMho
Plate Current ................................. 10 mA
Grid No. 2 Current ............................ 4.1 mA

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 190 V
Grid No. 2 Voltage ............................ 190 V
Grid No. 1 Voltage ............................ -2.35 V
Plate Resistance (approx) ..................... 350K Ω
Transconductance .............................. 15K µMho
Plate Current ................................. 10 mA
Grid No. 2 Current ............................ 4.1 mA

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Wed, 29 Mar 2023 00:16:24 -0700