NJ7P SQL Tube Database Query

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12AH7
Medium-Mu Twin triode

EIA Base & Outline

EIA Base: 8BEEIA Bulb: 9-7

Application

Glass octal type used in audio amplifier in radio equipment. Requires octal socket.

Mechanical Data

EIA Outline ................................... 9-7
EIA Base ...................................... 8BE

Electrical Data

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

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 180 V
Grid No. 1 Voltage ............................ -6.5 V
Amplification Factor .......................... 16
Plate Resistance (approx) ..................... 8400 Ω
Transconductance .............................. 1900 µMho
Plate Current ................................. 7.6 mA

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Sat, 25 Jun 2022 10:14:47 -0700