NJ7P SQL Tube Database Query

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12EN6
Beam Power Tube

EIA Base & Outline

EIA Base: 7S

Substitute Data

Preferred Substitutes ......................... 12W6
Substitutes ................................... 12L6
Source ........................................ ARRL HB - 1964

Mechanical Data

Source ........................................ ARRL HB - 1964
Bulb .......................................... T-9
Base Type ..................................... Int or Short Int Shell Octal
EIA Outline ................................... 9-11 9-41
EIA Base ...................................... 7S
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ ARRL HB - 1964
Heater Voltage ................................ 12.6 V
Heater Current ................................ 0.6 A

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ ARRL HB - 1964
Input ......................................... 14 pf
Output ........................................ 8 pf
Grid to Plate ................................. 0.65 pf

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ ARRL HB - 1964
Plate Voltage ................................. 200 V
Grid No. 2 Voltage ............................ 110 V
Grid No. 1 Voltage ............................ -9.5 V
Plate Resistance (approx) ..................... 28K Ω
Transconductance .............................. 8000 µMho
Plate Current ................................. 50 mA
Grid No. 2 Current ............................ 2.2 mA

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Mon, 03 Oct 2022 04:02:58 -0700