NJ7P SQL Tube Database Query

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12BU6
Twin Diode-Low-Mu Triode

EIA Base & Outline

EIA Base: 7BTEIA Bulb: 5-2

Substitute Data

Preferred Substitutes ......................... 12BF6

Mechanical Data

EIA Outline ................................... 5-2
EIA Base ...................................... 7BT

Electrical Data

Heater Voltage ................................ 12.6 V
Heater Current ................................ 0.15 A

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ -9 V
Amplification Factor .......................... 16
Plate Resistance (approx) ..................... 8.5K Ω
Transconductance .............................. 1900 µMho
Plate Current ................................. 9.5 mA
Load Resistance ............................... 10K Ω
Power Output (approx) ......................... 0.3 W

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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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Tue, 29 Nov 2022 00:25:08 -0700