NJ7P SQL Tube Database Query

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6AJ7
Pentode

EIA Base & Outline

EIA Base: 8NEIA Bulb: 8-1

Substitute Data

Preferred Substitutes ......................... 6AC7
Substitutes ................................... 6AB7 6SK7 6SD7
Source ........................................ GE - 1973

Mechanical Data

Source ........................................ GE - 1973
Bulb .......................................... MT-8
EIA Outline ................................... 8-1
EIA Base ...................................... 8N

Electrical Data

Source ........................................ GE - 1973
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.45 A

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ GE - 1973
Input ......................................... 11 pf
Output ........................................ 5 pf
Grid to Plate ................................. 0.015 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ GE - 1973
Plate Voltage ................................. 300 V
Grid No. 2 Voltage ............................ 300 V
Plate Dissipation ............................. 3.0 W
Grid No. 2 Dissipation ........................ 0.38 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ GE - 1973
Plate Voltage ................................. 300 V
Grid No. 2 Voltage ............................ 150 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 160 Ω
Plate Resistance (approx) ..................... 1M Ω
Transconductance .............................. 9000 µMho
Plate Current ................................. 10 mA
Grid No. 2 Current ............................ 2.5 mA

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This database contains data on thousands of tubes. Every effort has been made to insure the accuracy of this reference, however, I assume no liability for the results of using information contained herein.

Other Tube Search Engines:
Frank's Electron Tube Pages

Complete Tube Manuals:
Tube Manual Index from NJ7P

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

Tue, 21 Mar 2023 03:14:36 -0700