NJ7P SQL Tube Database Query

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12BT3
Half-Wave Vacuum Rectifier

EIA Base & Outline

EIA Base: 12BLEIA Bulb: 9-59

Substitute Data

Preferred Substitutes ......................... 12AX3

Mechanical Data

EIA Outline ................................... 9-59
EIA Base ...................................... 12BL

Electrical Data

Heater Voltage ................................ 12.6 V

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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.

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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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Sat, 02 Jul 2022 20:22:38 -0700