NJ7P SQL Tube Database Query

A horizontal ribbon.

Note: Please do not link down into my pages. I change this directory structure often and your links will not work correctly.

A horizontal ribbon.

12AE7
DissimilarTwin Triode

EIA Base & Outline

EIA Base: 9AEIA Bulb: 6-2

Substitute Data

Substitutes ................................... 12U7
Source ........................................ Sylvania - 1959

Application

Source ........................................ Sylvania - 1959
Miniature type.Medium-mu triode 1 used in general purpose applications. Low-mu triode 2 used as a transistor amplifier driver.

Source ........................................ Sylvania - 1959
This tube is designed to operate where heater and plate voltage are supplied directly from a 12 volt battery. Requires miniature 9-contact socket.

Mechanical Data

Source ........................................ Sylvania - 1959
Bulb .......................................... T-6 1/2
Base Type ..................................... Miniature Button 9-Pin
EIA Outline ................................... 6-2
EIA Base ...................................... 9A
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ Sylvania - 1959
Heater Voltage ................................ 10-16 V
Heater Current ................................ 0.45 A

Direct Interelectrode Capacitances (approx)

Triode 1
Source ........................................ Sylvania - 1959
Input ......................................... 4.7 pf
Output ........................................ 0.75 pf
Grid to Plate ................................. 3.9 pf

Triode 2
Source ........................................ Sylvania - 1959
Input ......................................... 4.2 pf
Output ........................................ 0.85 pf
Grid to Plate ................................. 3.4 pf

Maximum Ratings (Design Center Values)

Triode 1
Source ........................................ Sylvania - 1959
Plate Voltage ................................. 30 V

Triode 2
Source ........................................ Sylvania - 1959
Plate Voltage ................................. 30 V

Characteristics and Typical Operation

Triode 1 Class A Amplifier
Source ........................................ Sylvania - 1959
Plate Voltage ................................. 12.6 V
Grid No. 1 Voltage ............................ 0 V
Amplification Factor .......................... 13
Plate Resistance (approx) ..................... 3250 Ω
Transconductance .............................. 4000 µMho
Plate Current ................................. 1.9 mA

Triode 2 Class A Amplifier
Source ........................................ Sylvania - 1959
Plate Voltage ................................. 12.6 V
Grid No. 1 Voltage ............................ 0 V
Amplification Factor .......................... 6.4
Plate Resistance (approx) ..................... 985 Ω
Transconductance .............................. 6500 µMho
Plate Current ................................. 7.5 mA

A horizontal ribbon.

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.

Please enter the tube number:

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

A horizontal ribbon.

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

Sat, 02 Jul 2022 23:13:16 -0700