NJ7P SQL Tube Database Query

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12BR7
Twin Diode - High-Mu Triode

EIA Base & Outline

EIA Base: 9CFEIA Bulb: 6-2
Source ........................................ Sylvania - 1959

Application

Source ........................................ Sylvania - 1959
Miniature type used in tv applications. Requires miniature 9-contact socket.

Mechanical Data

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

Electrical Data

Source ........................................ Sylvania - 1959
Heater Voltage ................................ 6.3/12.6 V
Heater Current ................................ 0.45/0.225 A

Source ........................................ Sylvania - 1959
For other characteristics and typical operation, see 12BR7A

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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.

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Complete Tube Manuals:
Tube Manual Index from NJ7P

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Thu, 30 Jun 2022 04:35:03 -0700