NJ7P SQL Tube Database Query

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1U6
Pentagrid Converter

EIA Base & Outline

EIA Base: 7DCEIA Bulb: 5-2

Substitute Data

Substitutes ................................... 1L6

Mechanical Data

Bulb .......................................... T-5 1/2
EIA Outline ................................... 5-2
EIA Base ...................................... 7DC

Electrical Data

Filament Voltage .............................. 1.4 DC V
Filament Current .............................. 0.025 A

Direct Interelectrode Capacitances (approx)

Heptode
Input ......................................... 1.0 pf
Output ........................................ 6.5 pf
Grid to Plate ................................. 0.5 pf

Maximum Ratings (Design Center Values)

Heptode
Plate Voltage ................................. 110 V
Grid No. 2 Voltage ............................ 65 V

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 67.5 V
Grid No. 2 Voltage ............................ 45 V
Grid No. 1 Voltage ............................ 0 V
Plate Resistance (approx) ..................... 500K Ω
Transconductance .............................. 280 µMho
Plate Current ................................. 0.5 mA
Grid No. 2 Current ............................ 1.0 mA

Class A Amplifier
Plate Voltage ................................. 90 V
Grid No. 2 Voltage ............................ 45 V
Grid No. 1 Voltage ............................ 0 V
Plate Resistance (approx) ..................... 500K Ω
Transconductance .............................. 300 µMho
Plate Current ................................. 0.6 mA
Grid No. 2 Current ............................ 1.1 mA

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Sat, 10 Dec 2022 02:35:48 -0700