NJ7P SQL Tube Database Query

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12BF6
Twin Diode - Medium-Mu Triode

EIA Base & Outline

EIA Base: 7BTEIA Bulb: 5-2

Substitute Data

Preferred Substitutes ......................... 12BU6

Mechanical Data

Bulb .......................................... T-5 1/2
Base Type ..................................... Miniature Button 7-Pin
EIA Outline ................................... 5-2
EIA Base ...................................... 7BT
Mounting Position ............................. Any

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 .......................... 9.5
Transconductance .............................. 1900 µMho
Plate Current ................................. 16 mA
Load Resistance ............................... 8500 Ω
Power Output (approx) ......................... 0.3 W

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Sat, 02 Jul 2022 07:18:34 -0700