NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

1AC5
Power Pentode

EIA Base & Outline

EIA Base: 8CPEIA Bulb: 3-5

Substitute Data

Preferred Substitutes ......................... 1V5
Substitutes ................................... 1AD5 1W5

Mechanical Data

Bulb .......................................... T-3
EIA Outline ................................... 3-5
EIA Base ...................................... 8CP

Electrical Data

Filament Voltage .............................. 1.25 DC V
Filament Current .............................. 0.04 A

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 45 V
Grid No. 2 Voltage ............................ 45 V
Grid No. 1 Voltage ............................ -3 V
Plate Resistance (approx) ..................... 170K Ω
Transconductance .............................. 600 µMho
Plate Current ................................. 1.0 mA
Grid No. 2 Current ............................ 0.2 mA
Load Resistance ............................... 40K Ω
Power Output (approx) ......................... 0.015 W

Class A Amplifier
Plate Voltage ................................. 67.5 V
Grid No. 2 Voltage ............................ 67.5 V
Grid No. 1 Voltage ............................ -4.5 V
Plate Resistance (approx) ..................... 150K Ω
Transconductance .............................. 750 µMho
Plate Current ................................. 2.0 mA
Grid No. 2 Current ............................ 0.4 mA
Load Resistance ............................... 25K Ω
Power Output (approx) ......................... 0.05 W

A horizontal ribbon.

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A horizontal ribbon.

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Thu, 18 Aug 2022 19:29:39 -0700