NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

8056
Medium-Mu Triode (Nuvistor)

EIA Base & Outline

EIA Base: 12AQ
Source ........................................ RCA RC-29 - 1975

Application

Nuvistor type used in low voltage industrial applications. Requires nuvistor socket.

Mechanical Data

EIA Base ...................................... 12AQ

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.135 A

Direct Interelectrode Capacitances (approx)

Triode
Input ......................................... 4.0 pf
Output ........................................ 1.7 pf
Grid to Plate ................................. 2.1 pf

Maximum Ratings (Design Center Values)

Triode
Plate Voltage ................................. 50 V
Plate Dissipation ............................. 0.45 W

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 12 V
Grid No. 1 Voltage ............................ 0 V
Amplification Factor .......................... 12.5
Plate Resistance (approx) ..................... 1.6K Ω
Transconductance .............................. 8000 µMho
Plate Current ................................. 5.8 mA

Class A Amplifier
Plate Voltage ................................. 24 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 100 Ω
Amplification Factor .......................... 11.5
Plate Resistance (approx) ..................... 1.53K Ω
Transconductance .............................. 7500 µMho
Plate Current ................................. 8.7 mA

A horizontal ribbon.

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A horizontal ribbon.

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Sun, 26 Jun 2022 05:11:13 -0700