NJ7P SQL Tube Database Query

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12DZ6
Power Amplifier Pentode

EIA Base & Outline

EIA Base: 7BKEIA Bulb: 5-2

Substitute Data

Preferred Substitutes ......................... 12EK6
Substitutes ................................... 12EA6
Source ........................................ ARRL HB - 1964

Mechanical Data

Source ........................................ ARRL HB - 1964
Bulb .......................................... T-5 1/2
Base Type ..................................... Miniature Button 7-Pin
EIA Outline ................................... 5-2
EIA Base ...................................... 7BK
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ ARRL HB - 1964
Heater Voltage ................................ 10-16 V
Heater Current ................................ 0.175 A

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ ARRL HB - 1964
Input ......................................... 12.5 pf
Output ........................................ 8.5 pf
Grid to Plate ................................. 0.25 pf

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ ARRL HB - 1964
Plate Voltage ................................. 12.6 V
Grid No. 2 Voltage ............................ 12.6 V
Plate Resistance (approx) ..................... 25K Ω
Transconductance .............................. 3800 µMho
Plate Current ................................. 4.5 mA
Grid No. 2 Current ............................ 2.2 mA

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Wed, 29 Mar 2023 07:06:31 -0700