NJ7P SQL Tube Database Query

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12EA6
Remote-Cutoff Pentode

EIA Base & Outline

Substitute Data

Preferred Substitutes ......................... 12DZ6 12EK6
Substitutes ................................... 12CX6
Source ........................................ ARRL HB - 1964

Mechanical Data

Source ........................................ ARRL HB - 1964
EIA Outline ................................... 5-2
EIA Base ...................................... 7BK

Electrical Data

Source ........................................ ARRL HB - 1964
Heater Voltage ................................ 10-16 V
Heater Current ................................ 0.175 A

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ ARRL HB - 1964
Input ......................................... 11 pf
Output ........................................ 4 pf
Grid to Plate ................................. 0.04 pf

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ ARRL HB - 1964
Plate Voltage ................................. 12.6 V
Grid No. 2 Voltage ............................ 12.6 V
Grid No. 1 Voltage ............................ -3.4 V
Plate Resistance (approx) ..................... 32K Ω
Transconductance .............................. 3800 µ
Plate Current ................................. 3.2 mA
Grid No. 2 Current ............................ 1.4 mA

If you are uncertain about the EIA designator for a particular tube please use the "Index" button to list all the tubes in the database. You can click on the designator for the closest tube.

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

Wed, 29 Mar 2023 00:45:45 -0700